perf(l1): disable compression of database (#5223)

**Motivation**

We see decompression taking a significant part of database reads.

**Description**

Here we disable compression for the table where FKVs are stored, and use
a hash-based index optimized for point operations.

---------

Co-authored-by: Javier Rodríguez Chatruc <49622509+jrchatruc@users.noreply.github.com>
Co-authored-by: Javier Chatruc <jrchatruc@gmail.com>

Author: 2 people

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## Perf
 
+### 2025-11-10
+- Disable RocksDB compression [#5223](https://github.com/lambdaclass/ethrex/pull/5223)
+
 ### 2025-11-07
 - Reuse stack pool in LEVM [#5179](https://github.com/lambdaclass/ethrex/pull/5179)
 

Cargo.lock

@@ -119,7 +119,7 @@ uuid = { version = "1.18.1", features = ["v4"] }
 tower-http = { version = "0.6.2", features = ["cors"] }
 indexmap = { version = "2.11.4" }
 
-rocksdb = "0.24.0"
+rocksdb = { version="0.24.0", default-features = false, features = ["bindgen-runtime"] }
 
 [patch.crates-io]
 secp256k1 = { git = "https://github.com/sp1-patches/rust-secp256k1", tag = "patch-0.30.0-sp1-5.0.0" }

Cargo.toml

@@ -180,6 +180,8 @@ impl Store {
         db_options.set_enable_write_thread_adaptive_yield(true);
         db_options.set_compaction_readahead_size(4 * 1024 * 1024); // 4MB
         db_options.set_advise_random_on_open(false);
+        db_options.set_compression_type(rocksdb::DBCompressionType::None);
+        db_options.set_bottommost_compression_type(rocksdb::DBCompressionType::None);
 
         // db_options.enable_statistics();
         // db_options.set_stats_dump_period_sec(600);
@@ -239,10 +241,10 @@ impl Store {
             cf_opts.set_level_zero_file_num_compaction_trigger(4);
             cf_opts.set_level_zero_slowdown_writes_trigger(20);
             cf_opts.set_level_zero_stop_writes_trigger(36);
+            cf_opts.set_compression_type(rocksdb::DBCompressionType::None);
 
             match cf_name.as_str() {
                 CF_HEADERS | CF_BODIES => {
-                    cf_opts.set_compression_type(rocksdb::DBCompressionType::Zstd);
                     cf_opts.set_write_buffer_size(128 * 1024 * 1024); // 128MB
                     cf_opts.set_max_write_buffer_number(4);
                     cf_opts.set_target_file_size_base(256 * 1024 * 1024); // 256MB
@@ -252,7 +254,6 @@ impl Store {
                     cf_opts.set_block_based_table_factory(&block_opts);
                 }
                 CF_CANONICAL_BLOCK_HASHES | CF_BLOCK_NUMBERS => {
-                    cf_opts.set_compression_type(rocksdb::DBCompressionType::Lz4);
                     cf_opts.set_write_buffer_size(64 * 1024 * 1024); // 64MB
                     cf_opts.set_max_write_buffer_number(3);
                     cf_opts.set_target_file_size_base(128 * 1024 * 1024); // 128MB
@@ -263,7 +264,18 @@ impl Store {
                     cf_opts.set_block_based_table_factory(&block_opts);
                 }
                 CF_TRIE_NODES => {
-                    cf_opts.set_compression_type(rocksdb::DBCompressionType::Lz4);
+                    cf_opts.set_write_buffer_size(512 * 1024 * 1024); // 512MB
+                    cf_opts.set_max_write_buffer_number(6);
+                    cf_opts.set_min_write_buffer_number_to_merge(2);
+                    cf_opts.set_target_file_size_base(256 * 1024 * 1024); // 256MB
+                    cf_opts.set_memtable_prefix_bloom_ratio(0.2); // Bloom filter
+
+                    let mut block_opts = BlockBasedOptions::default();
+                    block_opts.set_block_size(16 * 1024); // 16KB
+                    block_opts.set_bloom_filter(10.0, false); // 10 bits per key
+                    cf_opts.set_block_based_table_factory(&block_opts);
+                }
+                CF_FLATKEYVALUE => {
                     cf_opts.set_write_buffer_size(512 * 1024 * 1024); // 512MB
                     cf_opts.set_max_write_buffer_number(6);
                     cf_opts.set_min_write_buffer_number_to_merge(2);
@@ -276,7 +288,6 @@ impl Store {
                     cf_opts.set_block_based_table_factory(&block_opts);
                 }
                 CF_RECEIPTS | CF_ACCOUNT_CODES => {
-                    cf_opts.set_compression_type(rocksdb::DBCompressionType::Lz4);
                     cf_opts.set_write_buffer_size(128 * 1024 * 1024); // 128MB
                     cf_opts.set_max_write_buffer_number(3);
                     cf_opts.set_target_file_size_base(256 * 1024 * 1024); // 256MB
@@ -287,7 +298,6 @@ impl Store {
                 }
                 _ => {
                     // Default for other CFs
-                    cf_opts.set_compression_type(rocksdb::DBCompressionType::Lz4);
                     cf_opts.set_write_buffer_size(64 * 1024 * 1024); // 64MB
                     cf_opts.set_max_write_buffer_number(3);
                     cf_opts.set_target_file_size_base(128 * 1024 * 1024); // 128MB