From 963be30e7723baedce6c2e24a4fbd2e220918b1d Mon Sep 17 00:00:00 2001
From: Ewan Chou <coocood@gmail.com>
Date: Fri, 13 Jul 2018 19:22:24 +0800
Subject: [PATCH] remove plan cache in config file (#538)

---
 op-guide/tidb-config-file.md | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/op-guide/tidb-config-file.md b/op-guide/tidb-config-file.md
index 82b9cd3ff2cb9..a95d634e402d7 100644
--- a/op-guide/tidb-config-file.md
+++ b/op-guide/tidb-config-file.md
@@ -175,27 +175,6 @@ Configuration about performance.
 - Default: 0
 - TiDB collects the feedback of each query at the probability of `feedback-probability`, to update statistics
 
-## Plan Cache
-
-Configuration about Plan Cache.
-
-### `enabled`
-
-- To enable Plan Cache
-- Default: false
-- Enabling Plan Cache saves the query optimization overhead of the same SQL statement
-
-### `capacity`
-
-- The number of cached statements
-- Default: 2560
-
-### `shards`
-
-- The number of plan-cache buckets
-- Default: 256
-- A larger number indicates a smaller particle size of the lock
-
 ## prepared-plan-cache
 
 The Plan Cache configuration of the `prepare` statement.