cherry pick #3484 to release-4.0

Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
pingcap · Jul 30, 2020 · 35eae9e · 35eae9e
1 parent a10af65
commit 35eae9e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tikv-configuration-file.md b/tikv-configuration-file.md
@@ -830,7 +830,7 @@ Configuration items related to `rocksdb.defaultcf`
 ### `block-cache-size`
 
 + The cache size of a RocksDB block
-+ Default value: `Total machine memory / 4`
++ Default value: `Total machine memory * 25%`
 + Minimum value: `0`
 + Unit: KB|MB|GB