diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c5fc931c6d..cbf1248110 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,6 +23,9 @@ jobs:
     env:
       TESTS_TO_RUN: ${{ matrix.tests }}
     steps:
+      - name: Create more disk space
+        run: sudo rm -rf /usr/share/dotnet && sudo rm -rf /opt/ghc && sudo rm -rf "/usr/local/share/boost" && sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ca3b89e5b..542589d8aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 * (store) [#1510](https://github.com/crypto-org-chain/cronos/pull/1510) Upgrade rocksdb to `v9.1.1`.
 * (store) [#1511](https://github.com/crypto-org-chain/cronos/pull/1511) Upgrade rocksdb to `v9.2.1`.
 * (e2ee) [#1513](https://github.com/crypto-org-chain/cronos/pull/1513) Add pubkey subcommand to e2ee cli.
+* (store) [#1526](https://github.com/crypto-org-chain/cronos/pull/1526) Cache index/filters in rocksdb application.db to reduce ram usage.
 
 *Jul 7, 2024*
 
diff --git a/cmd/cronosd/opendb/opendb_rocksdb.go b/cmd/cronosd/opendb/opendb_rocksdb.go
index bcb0401c22..0e4e079422 100644
--- a/cmd/cronosd/opendb/opendb_rocksdb.go
+++ b/cmd/cronosd/opendb/opendb_rocksdb.go
@@ -110,6 +110,10 @@ func NewRocksdbOptions(opts *grocksdb.Options, sstFileWriter bool) *grocksdb.Opt
 	bbto.SetPartitionFilters(true)
 	bbto.SetOptimizeFiltersForMemory(true)
 
+	// reduce memory usage
+	bbto.SetCacheIndexAndFilterBlocks(true)
+	bbto.SetPinTopLevelIndexAndFilter(true)
+
 	// hash index is better for iavl tree which mostly do point lookup.
 	bbto.SetDataBlockIndexType(grocksdb.KDataBlockIndexTypeBinarySearchAndHash)