diff --git a/backend/mempool-config.sample.json b/backend/mempool-config.sample.json
index 2369b64b5..d7ac621a3 100644
--- a/backend/mempool-config.sample.json
+++ b/backend/mempool-config.sample.json
@@ -27,7 +27,8 @@
     "AUDIT": false,
     "ADVANCED_GBT_AUDIT": false,
     "ADVANCED_GBT_MEMPOOL": false,
-    "CPFP_INDEXING": false
+    "CPFP_INDEXING": false,
+    "DISK_CACHE_BLOCK_INTERVAL": 6
   },
   "CORE_RPC": {
     "HOST": "127.0.0.1",
diff --git a/backend/src/__fixtures__/mempool-config.template.json b/backend/src/__fixtures__/mempool-config.template.json
index 2bf52cbcf..07e930903 100644
--- a/backend/src/__fixtures__/mempool-config.template.json
+++ b/backend/src/__fixtures__/mempool-config.template.json
@@ -28,7 +28,8 @@
     "ADVANCED_GBT_AUDIT": "__MEMPOOL_ADVANCED_GBT_AUDIT__",
     "ADVANCED_GBT_MEMPOOL": "__MEMPOOL_ADVANCED_GBT_MEMPOOL__",
     "CPFP_INDEXING": "__MEMPOOL_CPFP_INDEXING__",
-    "MAX_BLOCKS_BULK_QUERY": "__MEMPOOL_MAX_BLOCKS_BULK_QUERY__"
+    "MAX_BLOCKS_BULK_QUERY": "__MEMPOOL_MAX_BLOCKS_BULK_QUERY__",
+    "DISK_CACHE_BLOCK_INTERVAL": "__DISK_CACHE_BLOCK_INTERVAL__"
   },
   "CORE_RPC": {
     "HOST": "__CORE_RPC_HOST__",
diff --git a/backend/src/__tests__/config.test.ts b/backend/src/__tests__/config.test.ts
index 8b7ebc9ce..fdffd593f 100644
--- a/backend/src/__tests__/config.test.ts
+++ b/backend/src/__tests__/config.test.ts
@@ -42,6 +42,7 @@ describe('Mempool Backend Config', () => {
         ADVANCED_GBT_MEMPOOL: false,
         CPFP_INDEXING: false,
         MAX_BLOCKS_BULK_QUERY: 0,
+        DISK_CACHE_BLOCK_INTERVAL: 6,
       });
 
       expect(config.ELECTRUM).toStrictEqual({ HOST: '127.0.0.1', PORT: 3306, TLS_ENABLED: true });
diff --git a/backend/src/api/blocks.ts b/backend/src/api/blocks.ts
index 8ed81016b..f9b14d637 100644
--- a/backend/src/api/blocks.ts
+++ b/backend/src/api/blocks.ts
@@ -651,7 +651,7 @@ class Blocks {
       if (this.newBlockCallbacks.length) {
         this.newBlockCallbacks.forEach((cb) => cb(blockExtended, txIds, transactions));
       }
-      if (!memPool.hasPriority() && (block.height % 6 === 0)) {
+      if (!memPool.hasPriority() && (block.height % config.MEMPOOL.DISK_CACHE_BLOCK_INTERVAL === 0)) {
         diskCache.$saveCacheToDisk();
       }
 
diff --git a/backend/src/api/disk-cache.ts b/backend/src/api/disk-cache.ts
index 420d8e526..7180c6f51 100644
--- a/backend/src/api/disk-cache.ts
+++ b/backend/src/api/disk-cache.ts
@@ -19,16 +19,12 @@ class DiskCache {
   private isWritingCache = false;
 
   constructor() {
-    if (!cluster.isMaster) {
+    if (!cluster.isPrimary) {
       return;
     }
     process.on('SIGINT', (e) => {
       this.$saveCacheToDisk(true);
-      process.exit(2);
-    });
-    process.on('SIGTERM', (e) => {
-      this.$saveCacheToDisk(true);
-      process.exit(2);
+      process.exit(0);
     });
   }
 
diff --git a/backend/src/config.ts b/backend/src/config.ts
index 8ccd7e2e4..b364f100b 100644
--- a/backend/src/config.ts
+++ b/backend/src/config.ts
@@ -33,6 +33,7 @@ interface IConfig {
     ADVANCED_GBT_MEMPOOL: boolean;
     CPFP_INDEXING: boolean;
     MAX_BLOCKS_BULK_QUERY: number;
+    DISK_CACHE_BLOCK_INTERVAL: number;
   };
   ESPLORA: {
     REST_API_URL: string;
@@ -155,6 +156,7 @@ const defaults: IConfig = {
     'ADVANCED_GBT_MEMPOOL': false,
     'CPFP_INDEXING': false,
     'MAX_BLOCKS_BULK_QUERY': 0,
+    'DISK_CACHE_BLOCK_INTERVAL': 6,
   },
   'ESPLORA': {
     'REST_API_URL': 'http://127.0.0.1:3000',
diff --git a/docker/README.md b/docker/README.md
index 525ecb718..13a4094cc 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -112,6 +112,7 @@ Below we list all settings from `mempool-config.json` and the corresponding over
     "ADVANCED_GBT_MEMPOOL": false,
     "CPFP_INDEXING": false,
     "MAX_BLOCKS_BULK_QUERY": 0,
+    "DISK_CACHE_BLOCK_INTERVAL": 6
   },
 ```
 
@@ -143,6 +144,7 @@ Corresponding `docker-compose.yml` overrides:
       MEMPOOL_ADVANCED_GBT_MEMPOOL: ""
       MEMPOOL_CPFP_INDEXING: ""
       MAX_BLOCKS_BULK_QUERY: ""
+      DISK_CACHE_BLOCK_INTERVAL: ""
       ...
 ```
 
diff --git a/docker/backend/mempool-config.json b/docker/backend/mempool-config.json
index 1b3ac1837..962a1509a 100644
--- a/docker/backend/mempool-config.json
+++ b/docker/backend/mempool-config.json
@@ -26,7 +26,8 @@
     "ADVANCED_GBT_AUDIT": __MEMPOOL_ADVANCED_GBT_AUDIT__,
     "ADVANCED_GBT_MEMPOOL": __MEMPOOL_ADVANCED_GBT_MEMPOOL__,
     "CPFP_INDEXING": __MEMPOOL_CPFP_INDEXING__,
-    "MAX_BLOCKS_BULK_QUERY": __MEMPOOL_MAX_BLOCKS_BULK_QUERY__
+    "MAX_BLOCKS_BULK_QUERY": __MEMPOOL_MAX_BLOCKS_BULK_QUERY__,
+    "DISK_CACHE_BLOCK_INTERVAL": __DISK_CACHE_BLOCK_INTERVAL__
   },
   "CORE_RPC": {
     "HOST": "__CORE_RPC_HOST__",
diff --git a/docker/backend/start.sh b/docker/backend/start.sh
index fced20974..cdf9ab67e 100755
--- a/docker/backend/start.sh
+++ b/docker/backend/start.sh
@@ -30,6 +30,7 @@ __MEMPOOL_ADVANCED_GBT_AUDIT__=${MEMPOOL_ADVANCED_GBT_AUDIT:=false}
 __MEMPOOL_ADVANCED_GBT_MEMPOOL__=${MEMPOOL_ADVANCED_GBT_MEMPOOL:=false}
 __MEMPOOL_CPFP_INDEXING__=${MEMPOOL_CPFP_INDEXING:=false}
 __MEMPOOL_MAX_BLOCKS_BULK_QUERY__=${MEMPOOL_MAX_BLOCKS_BULK_QUERY:=0}
+__MEMPOOL_DISK_CACHE_BLOCK_INTERVAL__=${MEMPOOL_DISK_CACHE_BLOCK_INTERVAL:=6}
 
 # CORE_RPC
 __CORE_RPC_HOST__=${CORE_RPC_HOST:=127.0.0.1}
@@ -149,6 +150,7 @@ sed -i "s!__MEMPOOL_ADVANCED_GBT_MEMPOOL__!${__MEMPOOL_ADVANCED_GBT_MEMPOOL__}!g
 sed -i "s!__MEMPOOL_ADVANCED_GBT_AUDIT__!${__MEMPOOL_ADVANCED_GBT_AUDIT__}!g" mempool-config.json
 sed -i "s!__MEMPOOL_CPFP_INDEXING__!${__MEMPOOL_CPFP_INDEXING__}!g" mempool-config.json
 sed -i "s!__MEMPOOL_MAX_BLOCKS_BULK_QUERY__!${__MEMPOOL_MAX_BLOCKS_BULK_QUERY__}!g" mempool-config.json
+sed -i "s!__MEMPOOL_DISK_CACHE_BLOCK_INTERVAL__!${__MEMPOOL_DISK_CACHE_BLOCK_INTERVAL__}!g" mempool-config.json
 
 sed -i "s/__CORE_RPC_HOST__/${__CORE_RPC_HOST__}/g" mempool-config.json
 sed -i "s/__CORE_RPC_PORT__/${__CORE_RPC_PORT__}/g" mempool-config.json
diff --git a/production/mempool-config.liquid.json b/production/mempool-config.liquid.json
index 11ad8ffcd..d6513f9e2 100644
--- a/production/mempool-config.liquid.json
+++ b/production/mempool-config.liquid.json
@@ -6,7 +6,8 @@
     "MINED_BLOCKS_CACHE": 144,
     "SPAWN_CLUSTER_PROCS": 0,
     "API_URL_PREFIX": "/api/v1/",
-    "POLL_RATE_MS": 1000
+    "POLL_RATE_MS": 1000,
+    "DISK_CACHE_BLOCK_INTERVAL": 1
   },
   "SYSLOG" : {
     "MIN_PRIORITY": "debug"
diff --git a/production/mempool-config.liquidtestnet.json b/production/mempool-config.liquidtestnet.json
index 7769bfb53..f85f041d2 100644
--- a/production/mempool-config.liquidtestnet.json
+++ b/production/mempool-config.liquidtestnet.json
@@ -6,7 +6,8 @@
     "MINED_BLOCKS_CACHE": 144,
     "SPAWN_CLUSTER_PROCS": 0,
     "API_URL_PREFIX": "/api/v1/",
-    "POLL_RATE_MS": 1000
+    "POLL_RATE_MS": 1000,
+    "DISK_CACHE_BLOCK_INTERVAL": 1
   },
   "SYSLOG" : {
     "MIN_PRIORITY": "debug"
diff --git a/production/mempool-config.mainnet.json b/production/mempool-config.mainnet.json
index cca43d7e3..fc08ae930 100644
--- a/production/mempool-config.mainnet.json
+++ b/production/mempool-config.mainnet.json
@@ -14,7 +14,8 @@
     "CPFP_INDEXING": true,
     "ADVANCED_GBT_AUDIT": true,
     "ADVANCED_GBT_MEMPOOL": true,
-    "USE_SECOND_NODE_FOR_MINFEE": true
+    "USE_SECOND_NODE_FOR_MINFEE": true,
+    "DISK_CACHE_BLOCK_INTERVAL": 1
   },
   "SYSLOG" : {
     "MIN_PRIORITY": "debug"
diff --git a/production/mempool-config.signet.json b/production/mempool-config.signet.json
index 87f8e2650..c4d43e040 100644
--- a/production/mempool-config.signet.json
+++ b/production/mempool-config.signet.json
@@ -10,7 +10,8 @@
     "AUDIT": true,
     "ADVANCED_GBT_AUDIT": true,
     "ADVANCED_GBT_MEMPOOL": true,
-    "POLL_RATE_MS": 1000
+    "POLL_RATE_MS": 1000,
+    "DISK_CACHE_BLOCK_INTERVAL": 1
   },
   "SYSLOG" : {
     "MIN_PRIORITY": "debug"
diff --git a/production/mempool-config.testnet.json b/production/mempool-config.testnet.json
index 5c1695e62..f5ff4fba1 100644
--- a/production/mempool-config.testnet.json
+++ b/production/mempool-config.testnet.json
@@ -10,7 +10,8 @@
     "AUDIT": true,
     "ADVANCED_GBT_AUDIT": true,
     "ADVANCED_GBT_MEMPOOL": true,
-    "POLL_RATE_MS": 1000
+    "POLL_RATE_MS": 1000,
+    "DISK_CACHE_BLOCK_INTERVAL": 1
   },
   "SYSLOG" : {
     "MIN_PRIORITY": "debug"