From 3f089a2ef633a2f9160a6243bfa03d495fcca640 Mon Sep 17 00:00:00 2001
From: RickiNano <81099017+RickiNano@users.noreply.github.com>
Date: Fri, 30 Aug 2024 21:29:50 +0200
Subject: [PATCH] Use format_version 5

---
 nano/store/rocksdb/rocksdb.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/nano/store/rocksdb/rocksdb.cpp b/nano/store/rocksdb/rocksdb.cpp
index 19c6cb90db..439cb92db7 100644
--- a/nano/store/rocksdb/rocksdb.cpp
+++ b/nano/store/rocksdb/rocksdb.cpp
@@ -782,10 +782,10 @@ rocksdb::BlockBasedTableOptions nano::store::rocksdb::component::get_table_optio
 	// Improve point lookup performance be using the data block hash index (uses about 5% more space).
 	table_options.data_block_index_type = ::rocksdb::BlockBasedTableOptions::DataBlockIndexType::kDataBlockBinaryAndHash;
 
-	// Using format_version=4 significantly reduces the index block size, in some cases around 4-5x.
-	// This frees more space in block cache, which would result in higher hit rate for data and filter blocks,
-	// or offer the same performance with a smaller block cache size.
-	table_options.format_version = 4;
+	// Using storage format_version 5.
+	// Version 5 offers improved read spead, caching and better compression (if enabled)
+	// Any existing ledger data in version 4 will not be migrated. New data will be written in version 5.
+	table_options.format_version = 5;
 
 	// Block cache for reads
 	table_options.block_cache = ::rocksdb::NewLRUCache (rocksdb_config.read_cache * 1024 * 1024);