diff --git a/kustomize/base/dlob-depth-worker/deployment-drift.yaml b/kustomize/base/dlob-depth-worker/deployment-drift.yaml
new file mode 100644
index 0000000..0bd0019
--- /dev/null
+++ b/kustomize/base/dlob-depth-worker/deployment-drift.yaml
@@ -0,0 +1,50 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: dlob-depth-worker-drift
+  annotations:
+    argocd.argoproj.io/sync-wave: "6"
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: dlob-depth-worker-drift
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: dlob-depth-worker-drift
+    spec:
+      containers:
+        - name: worker
+          image: node:20-slim
+          imagePullPolicy: IfNotPresent
+          env:
+            - name: HASURA_GRAPHQL_URL
+              value: http://hasura:8080/v1/graphql
+            - name: HASURA_ADMIN_SECRET
+              valueFrom:
+                secretKeyRef:
+                  name: trade-hasura
+                  key: HASURA_GRAPHQL_ADMIN_SECRET
+            - name: DLOB_SOURCE
+              value: drift
+            - name: DLOB_MARKETS
+              value: PUMP-PERP,SOL-PERP,1MBONK-PERP,BTC-PERP,ETH-PERP
+            - name: DLOB_POLL_MS
+              value: "1000"
+            - name: DLOB_DEPTH_BPS_BANDS
+              value: "5,10,20,50,100,200"
+            - name: PRICE_PRECISION
+              value: "1000000"
+            - name: BASE_PRECISION
+              value: "1000000000"
+          command: ["node", "/app/worker.mjs"]
+          volumeMounts:
+            - name: script
+              mountPath: /app/worker.mjs
+              subPath: worker.mjs
+              readOnly: true
+      volumes:
+        - name: script
+          configMap:
+            name: dlob-depth-worker-script
diff --git a/kustomize/base/dlob-depth-worker/deployment.yaml b/kustomize/base/dlob-depth-worker/deployment.yaml
index 5f7e5e7..02f8df9 100644
--- a/kustomize/base/dlob-depth-worker/deployment.yaml
+++ b/kustomize/base/dlob-depth-worker/deployment.yaml
@@ -26,6 +26,8 @@ spec:
                 secretKeyRef:
                   name: trade-hasura
                   key: HASURA_GRAPHQL_ADMIN_SECRET
+            - name: DLOB_SOURCE
+              value: mevnode
             - name: DLOB_MARKETS
               value: PUMP-PERP,SOL-PERP,1MBONK-PERP,BTC-PERP,ETH-PERP
             - name: DLOB_POLL_MS
diff --git a/kustomize/base/dlob-depth-worker/worker.mjs b/kustomize/base/dlob-depth-worker/worker.mjs
index ec89eea..db2a494 100644
--- a/kustomize/base/dlob-depth-worker/worker.mjs
+++ b/kustomize/base/dlob-depth-worker/worker.mjs
@@ -64,6 +64,7 @@ function resolveConfig() {
   const hasuraAdminSecret = process.env.HASURA_ADMIN_SECRET || process.env.HASURA_GRAPHQL_ADMIN_SECRET || undefined;
   const hasuraAuthToken = process.env.HASURA_AUTH_TOKEN || process.env.HASURA_JWT || undefined;
 
+  const dlobSource = String(process.env.DLOB_SOURCE || 'mevnode').trim() || 'mevnode';
   const markets = envList('DLOB_MARKETS', 'PUMP-PERP,SOL-PERP,1MBONK-PERP,BTC-PERP,ETH-PERP');
   const pollMs = clampInt(process.env.DLOB_POLL_MS, 250, 60_000, 1000);
   const bandsBps = envIntList('DLOB_DEPTH_BPS_BANDS', '5,10,20,50,100,200');
@@ -79,6 +80,7 @@ function resolveConfig() {
     hasuraUrl,
     hasuraAdminSecret,
     hasuraAuthToken,
+    dlobSource,
     markets,
     pollMs,
     bandsBps,
@@ -169,8 +171,9 @@ function computeBandDepth({ bids, asks, mid, bandBps }) {
 
 async function fetchL2Latest(cfg) {
   const query = `
-    query DlobL2Latest($markets: [String!]!) {
-      dlob_l2_latest(where: {market_name: {_in: $markets}}) {
+    query DlobL2Latest($source: String!, $markets: [String!]!) {
+      dlob_l2_latest(where: {source: {_eq: $source}, market_name: {_in: $markets}}) {
+        source
         market_name
         market_type
         market_index
@@ -186,7 +189,7 @@ async function fetchL2Latest(cfg) {
       }
     }
   `;
-  const data = await graphqlRequest(cfg, query, { markets: cfg.markets });
+  const data = await graphqlRequest(cfg, query, { source: cfg.dlobSource, markets: cfg.markets });
   return Array.isArray(data?.dlob_l2_latest) ? data.dlob_l2_latest : [];
 }
 
@@ -232,6 +235,7 @@ async function main() {
         startedAt: getIsoNow(),
         hasuraUrl: cfg.hasuraUrl,
         hasuraAuth: cfg.hasuraAuthToken ? 'bearer' : cfg.hasuraAdminSecret ? 'admin-secret' : 'none',
+        dlobSource: cfg.dlobSource,
         markets: cfg.markets,
         pollMs: cfg.pollMs,
         bandsBps: cfg.bandsBps,
@@ -268,6 +272,7 @@ async function main() {
         for (const bandBps of cfg.bandsBps) {
           const d = computeBandDepth({ bids, asks, mid, bandBps });
           rows.push({
+            source: cfg.dlobSource,
             market_name: market,
             band_bps: bandBps,
             market_type: l2.market_type ? String(l2.market_type) : 'perp',
diff --git a/kustomize/base/dlob-slippage-worker/deployment-drift.yaml b/kustomize/base/dlob-slippage-worker/deployment-drift.yaml
new file mode 100644
index 0000000..fb9f73a
--- /dev/null
+++ b/kustomize/base/dlob-slippage-worker/deployment-drift.yaml
@@ -0,0 +1,50 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: dlob-slippage-worker-drift
+  annotations:
+    argocd.argoproj.io/sync-wave: "6"
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: dlob-slippage-worker-drift
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: dlob-slippage-worker-drift
+    spec:
+      containers:
+        - name: worker
+          image: node:20-slim
+          imagePullPolicy: IfNotPresent
+          env:
+            - name: HASURA_GRAPHQL_URL
+              value: http://hasura:8080/v1/graphql
+            - name: HASURA_ADMIN_SECRET
+              valueFrom:
+                secretKeyRef:
+                  name: trade-hasura
+                  key: HASURA_GRAPHQL_ADMIN_SECRET
+            - name: DLOB_SOURCE
+              value: drift
+            - name: DLOB_MARKETS
+              value: PUMP-PERP,SOL-PERP,1MBONK-PERP,BTC-PERP,ETH-PERP
+            - name: DLOB_POLL_MS
+              value: "1000"
+            - name: DLOB_SLIPPAGE_SIZES_USD
+              value: "0.1,0.2,0.5,1,2,5,10,25,50,100,250,500,1000,5000,10000,50000"
+            - name: PRICE_PRECISION
+              value: "1000000"
+            - name: BASE_PRECISION
+              value: "1000000000"
+          command: ["node", "/app/worker.mjs"]
+          volumeMounts:
+            - name: script
+              mountPath: /app/worker.mjs
+              subPath: worker.mjs
+              readOnly: true
+      volumes:
+        - name: script
+          configMap:
+            name: dlob-slippage-worker-script
diff --git a/kustomize/base/dlob-slippage-worker/deployment.yaml b/kustomize/base/dlob-slippage-worker/deployment.yaml
index 4c7f6b2..3657bf4 100644
--- a/kustomize/base/dlob-slippage-worker/deployment.yaml
+++ b/kustomize/base/dlob-slippage-worker/deployment.yaml
@@ -26,6 +26,8 @@ spec:
                 secretKeyRef:
                   name: trade-hasura
                   key: HASURA_GRAPHQL_ADMIN_SECRET
+            - name: DLOB_SOURCE
+              value: mevnode
             - name: DLOB_MARKETS
               value: PUMP-PERP,SOL-PERP,1MBONK-PERP,BTC-PERP,ETH-PERP
             - name: DLOB_POLL_MS
diff --git a/kustomize/base/dlob-slippage-worker/worker.mjs b/kustomize/base/dlob-slippage-worker/worker.mjs
index 2994456..53b5d7a 100644
--- a/kustomize/base/dlob-slippage-worker/worker.mjs
+++ b/kustomize/base/dlob-slippage-worker/worker.mjs
@@ -55,6 +55,7 @@ function resolveConfig() {
     tokens.hasuraAdminSecret;
   const hasuraAuthToken = process.env.HASURA_AUTH_TOKEN || process.env.HASURA_JWT || undefined;
 
+  const dlobSource = String(process.env.DLOB_SOURCE || 'mevnode').trim() || 'mevnode';
   const markets = envList('DLOB_MARKETS', 'PUMP-PERP,SOL-PERP,1MBONK-PERP,BTC-PERP,ETH-PERP');
   const pollMs = clampInt(process.env.DLOB_POLL_MS, 250, 60_000, 1000);
 
@@ -77,6 +78,7 @@ function resolveConfig() {
     hasuraUrl,
     hasuraAdminSecret,
     hasuraAuthToken,
+    dlobSource,
     markets,
     pollMs,
     sizesUsd,
@@ -209,6 +211,7 @@ async function main() {
         startedAt: getIsoNow(),
         hasuraUrl: cfg.hasuraUrl,
         hasuraAuth: cfg.hasuraAuthToken ? 'bearer' : cfg.hasuraAdminSecret ? 'admin-secret' : 'none',
+        dlobSource: cfg.dlobSource,
         markets: cfg.markets,
         pollMs: cfg.pollMs,
         sizesUsd: cfg.sizesUsd,
@@ -226,8 +229,9 @@ async function main() {
 
     try {
       const query = `
-        query DlobL2Latest($markets: [String!]!) {
-          dlob_l2_latest(where: { market_name: { _in: $markets } }) {
+        query DlobL2Latest($source: String!, $markets: [String!]!) {
+          dlob_l2_latest(where: { source: { _eq: $source }, market_name: { _in: $markets } }) {
+            source
             market_name
             market_type
             market_index
@@ -242,7 +246,7 @@ async function main() {
         }
       `;
 
-      const data = await graphqlRequest(cfg, query, { markets: cfg.markets });
+      const data = await graphqlRequest(cfg, query, { source: cfg.dlobSource, markets: cfg.markets });
       const rows = Array.isArray(data?.dlob_l2_latest) ? data.dlob_l2_latest : [];
 
       const objectsV1 = [];
@@ -277,6 +281,7 @@ async function main() {
           {
             const sim = simulateFill(asks, sizeUsd);
             const baseObj = {
+              source: cfg.dlobSource,
               market_name: market,
               side: 'buy',
               market_type: row?.market_type ?? 'perp',
@@ -302,6 +307,7 @@ async function main() {
           {
             const sim = simulateFill(bids, sizeUsd);
             const baseObj = {
+              source: cfg.dlobSource,
               market_name: market,
               side: 'sell',
               market_type: row?.market_type ?? 'perp',
diff --git a/kustomize/base/dlob-ts-archiver/deployment-drift.yaml b/kustomize/base/dlob-ts-archiver/deployment-drift.yaml
new file mode 100644
index 0000000..25b4a55
--- /dev/null
+++ b/kustomize/base/dlob-ts-archiver/deployment-drift.yaml
@@ -0,0 +1,44 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: dlob-ts-archiver-drift
+  annotations:
+    argocd.argoproj.io/sync-wave: "6"
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: dlob-ts-archiver-drift
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: dlob-ts-archiver-drift
+    spec:
+      containers:
+        - name: worker
+          image: node:20-slim
+          imagePullPolicy: IfNotPresent
+          env:
+            - name: HASURA_GRAPHQL_URL
+              value: http://hasura:8080/v1/graphql
+            - name: HASURA_ADMIN_SECRET
+              valueFrom:
+                secretKeyRef:
+                  name: trade-hasura
+                  key: HASURA_GRAPHQL_ADMIN_SECRET
+            - name: DLOB_SOURCE
+              value: drift
+            - name: DLOB_MARKETS
+              value: PUMP-PERP,SOL-PERP,1MBONK-PERP,BTC-PERP,ETH-PERP
+            - name: DLOB_TS_POLL_MS
+              value: "1000"
+          command: ["node", "/app/worker.mjs"]
+          volumeMounts:
+            - name: script
+              mountPath: /app/worker.mjs
+              subPath: worker.mjs
+              readOnly: true
+      volumes:
+        - name: script
+          configMap:
+            name: dlob-ts-archiver-script
diff --git a/kustomize/base/dlob-ts-archiver/deployment.yaml b/kustomize/base/dlob-ts-archiver/deployment.yaml
index 7a74a67..e32c119 100644
--- a/kustomize/base/dlob-ts-archiver/deployment.yaml
+++ b/kustomize/base/dlob-ts-archiver/deployment.yaml
@@ -26,6 +26,8 @@ spec:
                 secretKeyRef:
                   name: trade-hasura
                   key: HASURA_GRAPHQL_ADMIN_SECRET
+            - name: DLOB_SOURCE
+              value: mevnode
             - name: DLOB_MARKETS
               value: PUMP-PERP,SOL-PERP,1MBONK-PERP,BTC-PERP,ETH-PERP
             - name: DLOB_TS_POLL_MS
diff --git a/kustomize/base/dlob-ts-archiver/worker.mjs b/kustomize/base/dlob-ts-archiver/worker.mjs
index ae85b32..ce05d6e 100644
--- a/kustomize/base/dlob-ts-archiver/worker.mjs
+++ b/kustomize/base/dlob-ts-archiver/worker.mjs
@@ -49,10 +49,11 @@ function resolveConfig() {
     tokens.hasuraAdminSecret;
   const hasuraAuthToken = process.env.HASURA_AUTH_TOKEN || process.env.HASURA_JWT || undefined;
 
+  const dlobSource = String(process.env.DLOB_SOURCE || 'mevnode').trim() || 'mevnode';
   const markets = envList('DLOB_MARKETS', 'PUMP-PERP,SOL-PERP,1MBONK-PERP,BTC-PERP,ETH-PERP');
   const pollMs = clampInt(process.env.DLOB_TS_POLL_MS, 500, 60_000, 1000);
 
-  return { hasuraUrl, hasuraAdminSecret, hasuraAuthToken, markets, pollMs };
+  return { hasuraUrl, hasuraAdminSecret, hasuraAuthToken, dlobSource, markets, pollMs };
 }
 
 async function graphqlRequest(cfg, query, variables) {
@@ -97,6 +98,7 @@ async function main() {
         startedAt: getIsoNow(),
         hasuraUrl: cfg.hasuraUrl,
         hasuraAuth: cfg.hasuraAuthToken ? 'bearer' : cfg.hasuraAdminSecret ? 'admin-secret' : 'none',
+        dlobSource: cfg.dlobSource,
         markets: cfg.markets,
         pollMs: cfg.pollMs,
       },
@@ -110,24 +112,24 @@ async function main() {
 
     try {
       const query = `
-        query Latest($markets: [String!]!) {
-          dlob_stats_latest(where: { market_name: { _in: $markets } }) {
+        query Latest($source: String!, $markets: [String!]!) {
+          dlob_stats_latest(where: { source: { _eq: $source }, market_name: { _in: $markets } }) {
             market_name market_type market_index ts slot
             mark_price oracle_price best_bid_price best_ask_price mid_price
             spread_abs spread_bps depth_levels depth_bid_base depth_ask_base depth_bid_usd depth_ask_usd imbalance
             raw
           }
-          dlob_depth_bps_latest(where: { market_name: { _in: $markets } }) {
+          dlob_depth_bps_latest(where: { source: { _eq: $source }, market_name: { _in: $markets } }) {
             market_name band_bps market_type market_index ts slot
             mid_price best_bid_price best_ask_price bid_base ask_base bid_usd ask_usd imbalance
             raw
           }
-          dlob_slippage_latest(where: { market_name: { _in: $markets } }) {
+          dlob_slippage_latest(where: { source: { _eq: $source }, market_name: { _in: $markets } }) {
             market_name side size_usd market_type market_index ts slot
             mid_price vwap_price worst_price filled_usd filled_base impact_bps levels_consumed fill_pct
             raw
           }
-          dlob_slippage_latest_v2(where: { market_name: { _in: $markets } }) {
+          dlob_slippage_latest_v2(where: { source: { _eq: $source }, market_name: { _in: $markets } }) {
             market_name side size_usd market_type market_index ts slot
             mid_price vwap_price worst_price filled_usd filled_base impact_bps levels_consumed fill_pct
             raw
@@ -135,10 +137,11 @@ async function main() {
         }
       `;
 
-      const data = await graphqlRequest(cfg, query, { markets: cfg.markets });
+      const data = await graphqlRequest(cfg, query, { source: cfg.dlobSource, markets: cfg.markets });
 
       const statsRows = (data?.dlob_stats_latest || []).map((r) => ({
         ts: now,
+        source: cfg.dlobSource,
         market_name: r.market_name,
         market_type: r.market_type,
         market_index: r.market_index ?? null,
@@ -162,6 +165,7 @@ async function main() {
 
       const depthRows = (data?.dlob_depth_bps_latest || []).map((r) => ({
         ts: now,
+        source: cfg.dlobSource,
         market_name: r.market_name,
         band_bps: r.band_bps,
         market_type: r.market_type,
@@ -181,6 +185,7 @@ async function main() {
 
       const slippageRows = (data?.dlob_slippage_latest || []).map((r) => ({
         ts: now,
+        source: cfg.dlobSource,
         market_name: r.market_name,
         side: r.side,
         size_usd: r.size_usd,
@@ -201,6 +206,7 @@ async function main() {
 
       const slippageRowsV2 = (data?.dlob_slippage_latest_v2 || []).map((r) => ({
         ts: now,
+        source: cfg.dlobSource,
         market_name: r.market_name,
         side: r.side,
         size_usd: r.size_usd,
diff --git a/kustomize/base/dlob-worker/deployment-drift.yaml b/kustomize/base/dlob-worker/deployment-drift.yaml
new file mode 100644
index 0000000..f882637
--- /dev/null
+++ b/kustomize/base/dlob-worker/deployment-drift.yaml
@@ -0,0 +1,52 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: dlob-worker-drift
+  annotations:
+    argocd.argoproj.io/sync-wave: "5"
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: dlob-worker-drift
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: dlob-worker-drift
+    spec:
+      hostNetwork: true
+      dnsPolicy: ClusterFirstWithHostNet
+      containers:
+        - name: worker
+          image: node:20-slim
+          imagePullPolicy: IfNotPresent
+          env:
+            - name: HASURA_GRAPHQL_URL
+              value: http://hasura:8080/v1/graphql
+            - name: HASURA_ADMIN_SECRET
+              valueFrom:
+                secretKeyRef:
+                  name: trade-hasura
+                  key: HASURA_GRAPHQL_ADMIN_SECRET
+            - name: DLOB_SOURCE
+              value: drift
+            - name: DLOB_HTTP_URL
+              value: https://dlob.drift.trade
+            - name: DLOB_FORCE_IPV6
+              value: "true"
+            - name: DLOB_MARKETS
+              value: PUMP-PERP,SOL-PERP,1MBONK-PERP,BTC-PERP,ETH-PERP
+            - name: DLOB_POLL_MS
+              value: "500"
+            - name: DLOB_DEPTH
+              value: "10"
+          command: ["node", "/app/worker.mjs"]
+          volumeMounts:
+            - name: script
+              mountPath: /app/worker.mjs
+              subPath: worker.mjs
+              readOnly: true
+      volumes:
+        - name: script
+          configMap:
+            name: dlob-worker-script
diff --git a/kustomize/base/dlob-worker/deployment.yaml b/kustomize/base/dlob-worker/deployment.yaml
index 1c5607a..3d02446 100644
--- a/kustomize/base/dlob-worker/deployment.yaml
+++ b/kustomize/base/dlob-worker/deployment.yaml
@@ -26,6 +26,8 @@ spec:
                 secretKeyRef:
                   name: trade-hasura
                   key: HASURA_GRAPHQL_ADMIN_SECRET
+            - name: DLOB_SOURCE
+              value: mevnode
             - name: DLOB_HTTP_URL
               value: http://dlob-server:6969
             - name: DLOB_MARKETS
diff --git a/kustomize/base/dlob-worker/worker.mjs b/kustomize/base/dlob-worker/worker.mjs
index dd047b4..dbdf5c9 100644
--- a/kustomize/base/dlob-worker/worker.mjs
+++ b/kustomize/base/dlob-worker/worker.mjs
@@ -64,6 +64,7 @@ function resolveConfig() {
     .trim()
     .replace(/\/$/, '');
   const dlobForceIpv6 = envBool('DLOB_FORCE_IPV6', false);
+  const dlobSource = String(process.env.DLOB_SOURCE || 'mevnode').trim() || 'mevnode';
 
   const markets = envList('DLOB_MARKETS', 'PUMP-PERP,SOL-PERP,1MBONK-PERP,BTC-PERP,ETH-PERP');
   const depth = clampInt(process.env.DLOB_DEPTH, 1, 50, 10);
@@ -80,6 +81,7 @@ function resolveConfig() {
     hasuraUrl,
     hasuraAdminSecret,
     hasuraAuthToken,
+    dlobSource,
     dlobHttpBase,
     dlobForceIpv6,
     markets,
@@ -238,8 +240,9 @@ function computeStats({ l2, depth, pricePrecision, basePrecision }) {
   };
 }
 
-function l2ToInsertObject({ l2, updatedAt, pricePrecision }) {
+function l2ToInsertObject({ dlobSource, l2, updatedAt, pricePrecision }) {
   return {
+    source: dlobSource,
     market_name: String(l2.marketName),
     market_type: String(l2.marketType || 'perp'),
     market_index: typeof l2.marketIndex === 'number' ? l2.marketIndex : null,
@@ -256,8 +259,9 @@ function l2ToInsertObject({ l2, updatedAt, pricePrecision }) {
   };
 }
 
-function statsToInsertObject({ l2, stats, updatedAt }) {
+function statsToInsertObject({ dlobSource, l2, stats, updatedAt }) {
   return {
+    source: dlobSource,
     market_name: String(l2.marketName),
     market_type: String(l2.marketType || 'perp'),
     market_index: typeof l2.marketIndex === 'number' ? l2.marketIndex : null,
@@ -371,6 +375,7 @@ async function main() {
         startedAt: getIsoNow(),
         hasuraUrl: cfg.hasuraUrl,
         hasuraAuth: cfg.hasuraAuthToken ? 'bearer' : cfg.hasuraAdminSecret ? 'admin-secret' : 'none',
+        dlobSource: cfg.dlobSource,
         dlobHttpBase: cfg.dlobHttpBase,
         dlobForceIpv6: cfg.dlobForceIpv6,
         markets: cfg.markets,
@@ -410,8 +415,8 @@ async function main() {
         basePrecision: cfg.basePrecision,
       });
 
-      l2Objects.push(l2ToInsertObject({ l2, updatedAt, pricePrecision: cfg.pricePrecision }));
-      statsObjects.push(statsToInsertObject({ l2, stats, updatedAt }));
+      l2Objects.push(l2ToInsertObject({ dlobSource: cfg.dlobSource, l2, updatedAt, pricePrecision: cfg.pricePrecision }));
+      statsObjects.push(statsToInsertObject({ dlobSource: cfg.dlobSource, l2, stats, updatedAt }));
     }
 
     try {
diff --git a/kustomize/base/hasura/hasura-bootstrap.mjs b/kustomize/base/hasura/hasura-bootstrap.mjs
index a982154..398b7d0 100644
--- a/kustomize/base/hasura/hasura-bootstrap.mjs
+++ b/kustomize/base/hasura/hasura-bootstrap.mjs
@@ -89,6 +89,8 @@ async function main() {
   console.log(`[hasura-bootstrap] HASURA_URL=${HASURA_URL}`);
   await waitForHasura();
 
+  const PUBLIC_DLOB_SOURCE_HEADER = 'X-Hasura-Dlob-Source';
+
   const apiTokensTable = { schema: 'public', name: 'api_tokens' };
   const source = 'default';
 
@@ -187,7 +189,7 @@ async function main() {
     'updated_at',
   ]);
 
-  const ensureDlobTable = async (table, columns) => {
+  const ensureDlobTable = async (table, columns, { publicFilter } = {}) => {
     await metadataIgnore({ type: 'pg_untrack_table', args: { source, table } });
     await metadata({ type: 'pg_track_table', args: { source, table } });
 
@@ -200,7 +202,7 @@ async function main() {
         role: 'public',
         permission: {
           columns,
-          filter: {},
+          filter: publicFilter || {},
         },
       },
     });
@@ -236,7 +238,7 @@ async function main() {
     });
   };
 
-  async function ensurePublicSelectTable(table, columns) {
+  async function ensurePublicSelectTable(table, columns, { publicFilter } = {}) {
     await metadataIgnore({ type: 'pg_untrack_table', args: { source, table } });
     await metadata({ type: 'pg_track_table', args: { source, table } });
 
@@ -249,7 +251,7 @@ async function main() {
         role: 'public',
         permission: {
           columns,
-          filter: {},
+          filter: publicFilter || {},
         },
       },
     });
@@ -259,7 +261,10 @@ async function main() {
     await metadataIgnore({ type: 'pg_drop_update_permission', args: { source, table, role: 'ingestor' } });
   }
 
+  const dlobPublicFilter = { source: { _eq: PUBLIC_DLOB_SOURCE_HEADER } };
+
   await ensureDlobTable(dlobL2LatestTable, [
+    'source',
     'market_name',
     'market_type',
     'market_index',
@@ -273,9 +278,10 @@ async function main() {
     'asks',
     'raw',
     'updated_at',
-  ]);
+  ], { publicFilter: dlobPublicFilter });
 
   await ensureDlobTable(dlobStatsLatestTable, [
+    'source',
     'market_name',
     'market_type',
     'market_index',
@@ -296,9 +302,10 @@ async function main() {
     'imbalance',
     'raw',
     'updated_at',
-  ]);
+  ], { publicFilter: dlobPublicFilter });
 
   await ensurePublicSelectTable(dlobDepthBpsLatestTable, [
+    'source',
     'market_name',
     'band_bps',
     'market_type',
@@ -315,9 +322,10 @@ async function main() {
     'imbalance',
     'raw',
     'updated_at',
-  ]);
+  ], { publicFilter: dlobPublicFilter });
 
   await ensurePublicSelectTable(dlobSlippageLatestTable, [
+    'source',
     'market_name',
     'side',
     'size_usd',
@@ -337,9 +345,10 @@ async function main() {
     'fill_pct',
     'raw',
     'updated_at',
-  ]);
+  ], { publicFilter: dlobPublicFilter });
 
   await ensurePublicSelectTable(dlobSlippageLatestV2Table, [
+    'source',
     'market_name',
     'side',
     'size_usd',
@@ -359,11 +368,12 @@ async function main() {
     'fill_pct',
     'raw',
     'updated_at',
-  ]);
+  ], { publicFilter: dlobPublicFilter });
 
   await ensurePublicSelectTable(dlobStatsTsTable, [
     'ts',
     'id',
+    'source',
     'market_name',
     'market_type',
     'market_index',
@@ -383,11 +393,12 @@ async function main() {
     'depth_ask_usd',
     'imbalance',
     'raw',
-  ]);
+  ], { publicFilter: dlobPublicFilter });
 
   await ensurePublicSelectTable(dlobDepthBpsTsTable, [
     'ts',
     'id',
+    'source',
     'market_name',
     'band_bps',
     'market_type',
@@ -403,11 +414,12 @@ async function main() {
     'ask_usd',
     'imbalance',
     'raw',
-  ]);
+  ], { publicFilter: dlobPublicFilter });
 
   await ensurePublicSelectTable(dlobSlippageTsTable, [
     'ts',
     'id',
+    'source',
     'market_name',
     'side',
     'size_usd',
@@ -424,11 +436,12 @@ async function main() {
     'levels_consumed',
     'fill_pct',
     'raw',
-  ]);
+  ], { publicFilter: dlobPublicFilter });
 
   await ensurePublicSelectTable(dlobSlippageTsV2Table, [
     'ts',
     'id',
+    'source',
     'market_name',
     'side',
     'size_usd',
@@ -445,7 +458,7 @@ async function main() {
     'levels_consumed',
     'fill_pct',
     'raw',
-  ]);
+  ], { publicFilter: dlobPublicFilter });
 
   // Return table type for candle functions (needed for Hasura to track the function).
   await metadataIgnore({ type: 'pg_track_table', args: { source, table: candlesReturnTable } });
diff --git a/kustomize/base/initdb/001_init.sql b/kustomize/base/initdb/001_init.sql
index 6abb55d..6618671 100644
--- a/kustomize/base/initdb/001_init.sql
+++ b/kustomize/base/initdb/001_init.sql
@@ -321,7 +321,8 @@ $$;
 -- Latest DLOB orderbook snapshots (top-N levels), per market.
 -- Filled by a VPS worker (collector) and consumed by the UI via Hasura subscriptions.
 CREATE TABLE IF NOT EXISTS public.dlob_l2_latest (
-  market_name TEXT PRIMARY KEY,
+  source TEXT NOT NULL DEFAULT 'mevnode',
+  market_name TEXT NOT NULL,
   market_type TEXT NOT NULL DEFAULT 'perp',
   market_index INTEGER,
   ts BIGINT,
@@ -333,15 +334,52 @@ CREATE TABLE IF NOT EXISTS public.dlob_l2_latest (
   bids JSONB,
   asks JSONB,
   raw JSONB,
-  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  PRIMARY KEY (source, market_name)
 );
 
+-- Schema upgrades (idempotent for existing volumes)
+ALTER TABLE public.dlob_l2_latest ADD COLUMN IF NOT EXISTS source TEXT;
+ALTER TABLE public.dlob_l2_latest ALTER COLUMN source SET DEFAULT 'mevnode';
+UPDATE public.dlob_l2_latest SET source = 'mevnode' WHERE source IS NULL;
+ALTER TABLE public.dlob_l2_latest ALTER COLUMN source SET NOT NULL;
+
+-- Ensure PRIMARY KEY is (source, market_name) (required to keep 2 sources in parallel).
+DO $$
+DECLARE
+  pk_name text;
+  pk_cols text[];
+BEGIN
+  SELECT
+    con.conname,
+    array_agg(att.attname ORDER BY ord.ordinality)
+  INTO pk_name, pk_cols
+  FROM pg_constraint con
+  JOIN pg_class rel ON rel.oid = con.conrelid
+  JOIN pg_namespace nsp ON nsp.oid = rel.relnamespace
+  JOIN unnest(con.conkey) WITH ORDINALITY AS ord(attnum, ordinality) ON true
+  JOIN pg_attribute att ON att.attrelid = rel.oid AND att.attnum = ord.attnum
+  WHERE con.contype = 'p' AND nsp.nspname = 'public' AND rel.relname = 'dlob_l2_latest'
+  GROUP BY con.conname;
+
+  IF pk_name IS NULL THEN
+    EXECUTE 'ALTER TABLE public.dlob_l2_latest ADD CONSTRAINT dlob_l2_latest_pkey PRIMARY KEY (source, market_name)';
+  ELSIF pk_cols <> ARRAY['source','market_name'] THEN
+    EXECUTE format('ALTER TABLE public.dlob_l2_latest DROP CONSTRAINT %I', pk_name);
+    EXECUTE 'ALTER TABLE public.dlob_l2_latest ADD CONSTRAINT dlob_l2_latest_pkey PRIMARY KEY (source, market_name)';
+  END IF;
+END $$;
+
 CREATE INDEX IF NOT EXISTS dlob_l2_latest_updated_at_idx
   ON public.dlob_l2_latest (updated_at DESC);
 
+CREATE INDEX IF NOT EXISTS dlob_l2_latest_source_updated_at_idx
+  ON public.dlob_l2_latest (source, updated_at DESC);
+
 -- Derived stats for fast UI display.
 CREATE TABLE IF NOT EXISTS public.dlob_stats_latest (
-  market_name TEXT PRIMARY KEY,
+  source TEXT NOT NULL DEFAULT 'mevnode',
+  market_name TEXT NOT NULL,
   market_type TEXT NOT NULL DEFAULT 'perp',
   market_index INTEGER,
   ts BIGINT,
@@ -360,15 +398,52 @@ CREATE TABLE IF NOT EXISTS public.dlob_stats_latest (
   depth_ask_usd NUMERIC,
   imbalance NUMERIC,
   raw JSONB,
-  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  PRIMARY KEY (source, market_name)
 );
 
+-- Schema upgrades (idempotent for existing volumes)
+ALTER TABLE public.dlob_stats_latest ADD COLUMN IF NOT EXISTS source TEXT;
+ALTER TABLE public.dlob_stats_latest ALTER COLUMN source SET DEFAULT 'mevnode';
+UPDATE public.dlob_stats_latest SET source = 'mevnode' WHERE source IS NULL;
+ALTER TABLE public.dlob_stats_latest ALTER COLUMN source SET NOT NULL;
+
+-- Ensure PRIMARY KEY is (source, market_name) (required to keep 2 sources in parallel).
+DO $$
+DECLARE
+  pk_name text;
+  pk_cols text[];
+BEGIN
+  SELECT
+    con.conname,
+    array_agg(att.attname ORDER BY ord.ordinality)
+  INTO pk_name, pk_cols
+  FROM pg_constraint con
+  JOIN pg_class rel ON rel.oid = con.conrelid
+  JOIN pg_namespace nsp ON nsp.oid = rel.relnamespace
+  JOIN unnest(con.conkey) WITH ORDINALITY AS ord(attnum, ordinality) ON true
+  JOIN pg_attribute att ON att.attrelid = rel.oid AND att.attnum = ord.attnum
+  WHERE con.contype = 'p' AND nsp.nspname = 'public' AND rel.relname = 'dlob_stats_latest'
+  GROUP BY con.conname;
+
+  IF pk_name IS NULL THEN
+    EXECUTE 'ALTER TABLE public.dlob_stats_latest ADD CONSTRAINT dlob_stats_latest_pkey PRIMARY KEY (source, market_name)';
+  ELSIF pk_cols <> ARRAY['source','market_name'] THEN
+    EXECUTE format('ALTER TABLE public.dlob_stats_latest DROP CONSTRAINT %I', pk_name);
+    EXECUTE 'ALTER TABLE public.dlob_stats_latest ADD CONSTRAINT dlob_stats_latest_pkey PRIMARY KEY (source, market_name)';
+  END IF;
+END $$;
+
 CREATE INDEX IF NOT EXISTS dlob_stats_latest_updated_at_idx
   ON public.dlob_stats_latest (updated_at DESC);
 
+CREATE INDEX IF NOT EXISTS dlob_stats_latest_source_updated_at_idx
+  ON public.dlob_stats_latest (source, updated_at DESC);
+
 -- Depth snapshots within bps bands around mid-price (per market, per band).
 -- Filled by a derived worker that reads `dlob_l2_latest`.
 CREATE TABLE IF NOT EXISTS public.dlob_depth_bps_latest (
+  source TEXT NOT NULL DEFAULT 'mevnode',
   market_name TEXT NOT NULL,
   band_bps INTEGER NOT NULL,
   market_type TEXT NOT NULL DEFAULT 'perp',
@@ -385,18 +460,54 @@ CREATE TABLE IF NOT EXISTS public.dlob_depth_bps_latest (
   imbalance NUMERIC,
   raw JSONB,
   updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
-  PRIMARY KEY (market_name, band_bps)
+  PRIMARY KEY (source, market_name, band_bps)
 );
 
+-- Schema upgrades (idempotent for existing volumes)
+ALTER TABLE public.dlob_depth_bps_latest ADD COLUMN IF NOT EXISTS source TEXT;
+ALTER TABLE public.dlob_depth_bps_latest ALTER COLUMN source SET DEFAULT 'mevnode';
+UPDATE public.dlob_depth_bps_latest SET source = 'mevnode' WHERE source IS NULL;
+ALTER TABLE public.dlob_depth_bps_latest ALTER COLUMN source SET NOT NULL;
+
+-- Ensure PRIMARY KEY is (source, market_name, band_bps) (required to keep 2 sources in parallel).
+DO $$
+DECLARE
+  pk_name text;
+  pk_cols text[];
+BEGIN
+  SELECT
+    con.conname,
+    array_agg(att.attname ORDER BY ord.ordinality)
+  INTO pk_name, pk_cols
+  FROM pg_constraint con
+  JOIN pg_class rel ON rel.oid = con.conrelid
+  JOIN pg_namespace nsp ON nsp.oid = rel.relnamespace
+  JOIN unnest(con.conkey) WITH ORDINALITY AS ord(attnum, ordinality) ON true
+  JOIN pg_attribute att ON att.attrelid = rel.oid AND att.attnum = ord.attnum
+  WHERE con.contype = 'p' AND nsp.nspname = 'public' AND rel.relname = 'dlob_depth_bps_latest'
+  GROUP BY con.conname;
+
+  IF pk_name IS NULL THEN
+    EXECUTE 'ALTER TABLE public.dlob_depth_bps_latest ADD CONSTRAINT dlob_depth_bps_latest_pkey PRIMARY KEY (source, market_name, band_bps)';
+  ELSIF pk_cols <> ARRAY['source','market_name','band_bps'] THEN
+    EXECUTE format('ALTER TABLE public.dlob_depth_bps_latest DROP CONSTRAINT %I', pk_name);
+    EXECUTE 'ALTER TABLE public.dlob_depth_bps_latest ADD CONSTRAINT dlob_depth_bps_latest_pkey PRIMARY KEY (source, market_name, band_bps)';
+  END IF;
+END $$;
+
 CREATE INDEX IF NOT EXISTS dlob_depth_bps_latest_updated_at_idx
   ON public.dlob_depth_bps_latest (updated_at DESC);
 
 CREATE INDEX IF NOT EXISTS dlob_depth_bps_latest_market_name_idx
   ON public.dlob_depth_bps_latest (market_name);
 
+CREATE INDEX IF NOT EXISTS dlob_depth_bps_latest_source_market_name_idx
+  ON public.dlob_depth_bps_latest (source, market_name);
+
 -- Slippage/impact estimates for "market" orders at common USD sizes.
 -- Filled by a derived worker that reads `dlob_l2_latest`.
 CREATE TABLE IF NOT EXISTS public.dlob_slippage_latest (
+  source TEXT NOT NULL DEFAULT 'mevnode',
   market_name TEXT NOT NULL,
   side TEXT NOT NULL,
   size_usd INTEGER NOT NULL,
@@ -416,19 +527,55 @@ CREATE TABLE IF NOT EXISTS public.dlob_slippage_latest (
   fill_pct NUMERIC,
   raw JSONB,
   updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
-  PRIMARY KEY (market_name, side, size_usd),
+  PRIMARY KEY (source, market_name, side, size_usd),
   CONSTRAINT dlob_slippage_latest_side_chk CHECK (side IN ('buy', 'sell'))
 );
 
+-- Schema upgrades (idempotent for existing volumes)
+ALTER TABLE public.dlob_slippage_latest ADD COLUMN IF NOT EXISTS source TEXT;
+ALTER TABLE public.dlob_slippage_latest ALTER COLUMN source SET DEFAULT 'mevnode';
+UPDATE public.dlob_slippage_latest SET source = 'mevnode' WHERE source IS NULL;
+ALTER TABLE public.dlob_slippage_latest ALTER COLUMN source SET NOT NULL;
+
+-- Ensure PRIMARY KEY is (source, market_name, side, size_usd) (required to keep 2 sources in parallel).
+DO $$
+DECLARE
+  pk_name text;
+  pk_cols text[];
+BEGIN
+  SELECT
+    con.conname,
+    array_agg(att.attname ORDER BY ord.ordinality)
+  INTO pk_name, pk_cols
+  FROM pg_constraint con
+  JOIN pg_class rel ON rel.oid = con.conrelid
+  JOIN pg_namespace nsp ON nsp.oid = rel.relnamespace
+  JOIN unnest(con.conkey) WITH ORDINALITY AS ord(attnum, ordinality) ON true
+  JOIN pg_attribute att ON att.attrelid = rel.oid AND att.attnum = ord.attnum
+  WHERE con.contype = 'p' AND nsp.nspname = 'public' AND rel.relname = 'dlob_slippage_latest'
+  GROUP BY con.conname;
+
+  IF pk_name IS NULL THEN
+    EXECUTE 'ALTER TABLE public.dlob_slippage_latest ADD CONSTRAINT dlob_slippage_latest_pkey PRIMARY KEY (source, market_name, side, size_usd)';
+  ELSIF pk_cols <> ARRAY['source','market_name','side','size_usd'] THEN
+    EXECUTE format('ALTER TABLE public.dlob_slippage_latest DROP CONSTRAINT %I', pk_name);
+    EXECUTE 'ALTER TABLE public.dlob_slippage_latest ADD CONSTRAINT dlob_slippage_latest_pkey PRIMARY KEY (source, market_name, side, size_usd)';
+  END IF;
+END $$;
+
 CREATE INDEX IF NOT EXISTS dlob_slippage_latest_updated_at_idx
   ON public.dlob_slippage_latest (updated_at DESC);
 
 CREATE INDEX IF NOT EXISTS dlob_slippage_latest_market_name_idx
   ON public.dlob_slippage_latest (market_name);
 
+CREATE INDEX IF NOT EXISTS dlob_slippage_latest_source_market_name_idx
+  ON public.dlob_slippage_latest (source, market_name);
+
 -- Slippage v2: supports fractional order sizes (e.g. 0.1/0.2/0.5 USD), per market and side.
 -- Keep v1 intact for backward compatibility and to avoid data loss.
 CREATE TABLE IF NOT EXISTS public.dlob_slippage_latest_v2 (
+  source TEXT NOT NULL DEFAULT 'mevnode',
   market_name TEXT NOT NULL,
   side TEXT NOT NULL, -- buy|sell
   size_usd NUMERIC NOT NULL,
@@ -448,22 +595,58 @@ CREATE TABLE IF NOT EXISTS public.dlob_slippage_latest_v2 (
   fill_pct NUMERIC,
   raw JSONB,
   updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
-  PRIMARY KEY (market_name, side, size_usd),
+  PRIMARY KEY (source, market_name, side, size_usd),
   CONSTRAINT dlob_slippage_latest_v2_side_chk CHECK (side IN ('buy', 'sell'))
 );
 
+-- Schema upgrades (idempotent for existing volumes)
+ALTER TABLE public.dlob_slippage_latest_v2 ADD COLUMN IF NOT EXISTS source TEXT;
+ALTER TABLE public.dlob_slippage_latest_v2 ALTER COLUMN source SET DEFAULT 'mevnode';
+UPDATE public.dlob_slippage_latest_v2 SET source = 'mevnode' WHERE source IS NULL;
+ALTER TABLE public.dlob_slippage_latest_v2 ALTER COLUMN source SET NOT NULL;
+
+-- Ensure PRIMARY KEY is (source, market_name, side, size_usd) (required to keep 2 sources in parallel).
+DO $$
+DECLARE
+  pk_name text;
+  pk_cols text[];
+BEGIN
+  SELECT
+    con.conname,
+    array_agg(att.attname ORDER BY ord.ordinality)
+  INTO pk_name, pk_cols
+  FROM pg_constraint con
+  JOIN pg_class rel ON rel.oid = con.conrelid
+  JOIN pg_namespace nsp ON nsp.oid = rel.relnamespace
+  JOIN unnest(con.conkey) WITH ORDINALITY AS ord(attnum, ordinality) ON true
+  JOIN pg_attribute att ON att.attrelid = rel.oid AND att.attnum = ord.attnum
+  WHERE con.contype = 'p' AND nsp.nspname = 'public' AND rel.relname = 'dlob_slippage_latest_v2'
+  GROUP BY con.conname;
+
+  IF pk_name IS NULL THEN
+    EXECUTE 'ALTER TABLE public.dlob_slippage_latest_v2 ADD CONSTRAINT dlob_slippage_latest_v2_pkey PRIMARY KEY (source, market_name, side, size_usd)';
+  ELSIF pk_cols <> ARRAY['source','market_name','side','size_usd'] THEN
+    EXECUTE format('ALTER TABLE public.dlob_slippage_latest_v2 DROP CONSTRAINT %I', pk_name);
+    EXECUTE 'ALTER TABLE public.dlob_slippage_latest_v2 ADD CONSTRAINT dlob_slippage_latest_v2_pkey PRIMARY KEY (source, market_name, side, size_usd)';
+  END IF;
+END $$;
+
 CREATE INDEX IF NOT EXISTS dlob_slippage_latest_v2_updated_at_idx
   ON public.dlob_slippage_latest_v2 (updated_at DESC);
 
 CREATE INDEX IF NOT EXISTS dlob_slippage_latest_v2_market_name_idx
   ON public.dlob_slippage_latest_v2 (market_name);
 
+CREATE INDEX IF NOT EXISTS dlob_slippage_latest_v2_source_market_name_idx
+  ON public.dlob_slippage_latest_v2 (source, market_name);
+
 -- Time-series tables for UI history (start: 7 days).
 -- Keep these append-only; use Timescale hypertables.
 
 CREATE TABLE IF NOT EXISTS public.dlob_stats_ts (
   ts TIMESTAMPTZ NOT NULL,
   id BIGSERIAL NOT NULL,
+  source TEXT NOT NULL DEFAULT 'mevnode',
   market_name TEXT NOT NULL,
   market_type TEXT NOT NULL DEFAULT 'perp',
   market_index INTEGER,
@@ -486,14 +669,24 @@ CREATE TABLE IF NOT EXISTS public.dlob_stats_ts (
   PRIMARY KEY (ts, id)
 );
 
+-- Schema upgrades (idempotent for existing volumes)
+ALTER TABLE public.dlob_stats_ts ADD COLUMN IF NOT EXISTS source TEXT;
+ALTER TABLE public.dlob_stats_ts ALTER COLUMN source SET DEFAULT 'mevnode';
+UPDATE public.dlob_stats_ts SET source = 'mevnode' WHERE source IS NULL;
+ALTER TABLE public.dlob_stats_ts ALTER COLUMN source SET NOT NULL;
+
 SELECT create_hypertable('dlob_stats_ts', 'ts', if_not_exists => TRUE, migrate_data => TRUE);
 
 CREATE INDEX IF NOT EXISTS dlob_stats_ts_market_ts_desc_idx
   ON public.dlob_stats_ts (market_name, ts DESC);
 
+CREATE INDEX IF NOT EXISTS dlob_stats_ts_source_market_ts_desc_idx
+  ON public.dlob_stats_ts (source, market_name, ts DESC);
+
 CREATE TABLE IF NOT EXISTS public.dlob_depth_bps_ts (
   ts TIMESTAMPTZ NOT NULL,
   id BIGSERIAL NOT NULL,
+  source TEXT NOT NULL DEFAULT 'mevnode',
   market_name TEXT NOT NULL,
   band_bps INTEGER NOT NULL,
   market_type TEXT NOT NULL DEFAULT 'perp',
@@ -512,14 +705,24 @@ CREATE TABLE IF NOT EXISTS public.dlob_depth_bps_ts (
   PRIMARY KEY (ts, id)
 );
 
+-- Schema upgrades (idempotent for existing volumes)
+ALTER TABLE public.dlob_depth_bps_ts ADD COLUMN IF NOT EXISTS source TEXT;
+ALTER TABLE public.dlob_depth_bps_ts ALTER COLUMN source SET DEFAULT 'mevnode';
+UPDATE public.dlob_depth_bps_ts SET source = 'mevnode' WHERE source IS NULL;
+ALTER TABLE public.dlob_depth_bps_ts ALTER COLUMN source SET NOT NULL;
+
 SELECT create_hypertable('dlob_depth_bps_ts', 'ts', if_not_exists => TRUE, migrate_data => TRUE);
 
 CREATE INDEX IF NOT EXISTS dlob_depth_bps_ts_market_ts_desc_idx
   ON public.dlob_depth_bps_ts (market_name, ts DESC);
 
+CREATE INDEX IF NOT EXISTS dlob_depth_bps_ts_source_market_ts_desc_idx
+  ON public.dlob_depth_bps_ts (source, market_name, ts DESC);
+
 CREATE TABLE IF NOT EXISTS public.dlob_slippage_ts (
   ts TIMESTAMPTZ NOT NULL,
   id BIGSERIAL NOT NULL,
+  source TEXT NOT NULL DEFAULT 'mevnode',
   market_name TEXT NOT NULL,
   side TEXT NOT NULL,
   size_usd INTEGER NOT NULL,
@@ -539,14 +742,24 @@ CREATE TABLE IF NOT EXISTS public.dlob_slippage_ts (
   PRIMARY KEY (ts, id)
 );
 
+-- Schema upgrades (idempotent for existing volumes)
+ALTER TABLE public.dlob_slippage_ts ADD COLUMN IF NOT EXISTS source TEXT;
+ALTER TABLE public.dlob_slippage_ts ALTER COLUMN source SET DEFAULT 'mevnode';
+UPDATE public.dlob_slippage_ts SET source = 'mevnode' WHERE source IS NULL;
+ALTER TABLE public.dlob_slippage_ts ALTER COLUMN source SET NOT NULL;
+
 SELECT create_hypertable('dlob_slippage_ts', 'ts', if_not_exists => TRUE, migrate_data => TRUE);
 
 CREATE INDEX IF NOT EXISTS dlob_slippage_ts_market_ts_desc_idx
   ON public.dlob_slippage_ts (market_name, ts DESC);
 
+CREATE INDEX IF NOT EXISTS dlob_slippage_ts_source_market_ts_desc_idx
+  ON public.dlob_slippage_ts (source, market_name, ts DESC);
+
 CREATE TABLE IF NOT EXISTS public.dlob_slippage_ts_v2 (
   ts TIMESTAMPTZ NOT NULL,
   id BIGSERIAL NOT NULL,
+  source TEXT NOT NULL DEFAULT 'mevnode',
   market_name TEXT NOT NULL,
   side TEXT NOT NULL,
   size_usd NUMERIC NOT NULL,
@@ -566,11 +779,19 @@ CREATE TABLE IF NOT EXISTS public.dlob_slippage_ts_v2 (
   PRIMARY KEY (ts, id)
 );
 
+-- Schema upgrades (idempotent for existing volumes)
+ALTER TABLE public.dlob_slippage_ts_v2 ADD COLUMN IF NOT EXISTS source TEXT;
+ALTER TABLE public.dlob_slippage_ts_v2 ALTER COLUMN source SET DEFAULT 'mevnode';
+UPDATE public.dlob_slippage_ts_v2 SET source = 'mevnode' WHERE source IS NULL;
+ALTER TABLE public.dlob_slippage_ts_v2 ALTER COLUMN source SET NOT NULL;
+
 SELECT create_hypertable('dlob_slippage_ts_v2', 'ts', if_not_exists => TRUE, migrate_data => TRUE);
 
 CREATE INDEX IF NOT EXISTS dlob_slippage_ts_v2_market_ts_desc_idx
   ON public.dlob_slippage_ts_v2 (market_name, ts DESC);
 
+CREATE INDEX IF NOT EXISTS dlob_slippage_ts_v2_source_market_ts_desc_idx
+  ON public.dlob_slippage_ts_v2 (source, market_name, ts DESC);
 -- Retention policies (best-effort; safe if Timescale is present).
 DO $$
 BEGIN
diff --git a/kustomize/base/kustomization.yaml b/kustomize/base/kustomization.yaml
index 35586f0..de321a9 100644
--- a/kustomize/base/kustomization.yaml
+++ b/kustomize/base/kustomization.yaml
@@ -19,9 +19,13 @@ resources:
   - dlob/server-service.yaml
   - dlob/server-deployment.yaml
   - dlob-worker/deployment.yaml
+  - dlob-worker/deployment-drift.yaml
   - dlob-depth-worker/deployment.yaml
+  - dlob-depth-worker/deployment-drift.yaml
   - dlob-slippage-worker/deployment.yaml
+  - dlob-slippage-worker/deployment-drift.yaml
   - dlob-ts-archiver/deployment.yaml
+  - dlob-ts-archiver/deployment-drift.yaml
   - candles-cache-worker/deployment.yaml
 
 configMapGenerator:
diff --git a/kustomize/overlays/staging/dlob-worker-patch.yaml b/kustomize/overlays/staging/dlob-worker-patch.yaml
deleted file mode 100644
index 8a96258..0000000
--- a/kustomize/overlays/staging/dlob-worker-patch.yaml
+++ /dev/null
@@ -1,16 +0,0 @@
-apiVersion: apps/v1
-kind: Deployment
-metadata:
-  name: dlob-worker
-spec:
-  template:
-    spec:
-      hostNetwork: true
-      dnsPolicy: ClusterFirstWithHostNet
-      containers:
-        - name: worker
-          env:
-            - name: DLOB_HTTP_URL
-              value: https://dlob.drift.trade
-            - name: DLOB_FORCE_IPV6
-              value: "true"
diff --git a/kustomize/overlays/staging/kustomization.yaml b/kustomize/overlays/staging/kustomization.yaml
index 74587db..7d11915 100644
--- a/kustomize/overlays/staging/kustomization.yaml
+++ b/kustomize/overlays/staging/kustomization.yaml
@@ -14,7 +14,6 @@ patchesStrategicMerge:
   - frontend-auth-patch.yaml
   - frontend-graphql-proxy-patch.yaml
   - ingestor-dlob-patch.yaml
-  - dlob-worker-patch.yaml
 
 configMapGenerator:
   - name: trade-dlob-ingestor-script