Update tikv-configuration-file.md (#6180)

tikv-configuration-file.md

@@ -120,6 +120,11 @@ This document only describes the parameters that are not included in command-lin
 + Default value: `"1s"`
 + Minimum value: `0`
 
+### `raft-client-queue-size`
+
++ Specifies the queue size of the Raft messages in TiKV. If too many messages not sent in time result in a full buffer, or messages discarded, you can specify a greater value to improve system stability. 
++ Default value: `8192`
+
 ## readpool.unified
 
 Configuration items related to the single thread pool serving read requests. This thread pool supersedes the original storage thread pool and coprocessor thread pool since the 4.0 version.
@@ -666,6 +671,11 @@ Configuration items related to Raftstore
 + Default value: `1`
 + Minimum value: greater than `0`
 
+### `cmd-batch`
+
++ Controls whether to enable batch processing of the requests. When it is enabled, the write performance is significantly improved. 
++ Default value: `true`
+
 ## Coprocessor
 
 Configuration items related to Coprocessor