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base repository: pingcap/docs
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head repository: pingcap/docs
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compare: 67a765270ae61639019ff006dad1e67983d02c4d
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Showing with 1 addition and 1 deletion.
  1. +1 −1 tikv-configuration-file.md
2 changes: 1 addition & 1 deletion tikv-configuration-file.md
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@@ -771,7 +771,7 @@ Configuration items related to RocksDB

### `use-direct-io-for-flush-and-compaction`

+ Determines whether the O_DIRECT flag is set for background flush or compaction reads and writes. The performance impact of this option: turning on O_DIRECT bypasses and prevents contamination of the OS buffer cache, but subsequent file reads require re-reading the contents to the buffer cache.
+ Determines whether to use `O_DIRECT` for both reads and writes in background flush and compactions. The performance impact of this option: turning on O_DIRECT bypasses and prevents contamination of the OS buffer cache, but subsequent file reads require re-reading the contents to the buffer cache.
+ Default value: `false`

### `rate-bytes-per-sec`