PR#53537 caused 20-34% performance regression in oltp_read_only and oltp_read_write

[Yui-Song]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

1. deploy a cluster with 3 tidb and 3 tikv
2. run sysbench oltp_read_only and oltp_read_write with pr backup: watch store state and retry backup immediately #53341 and executor: enable parallel sort #53537

2. What did you expect to see? (Required)

No regression.

3. What did you see instead (Required)

PR#53537 caused performance regression in oltp_read_only (34%) and oltp_read_write(20%)

4. What is your TiDB version? (Required)

#53537

[Yui-Song]

/type performance
/type regression
/severity critical
/sig execution
/assign @xzhangxian1008

[Yui-Song]

/remove-label may-affects-8.1
/remove-label may-affects-7.5
/remove-label may-affects-7.1
/remove-label may-affects-6.5
/remove-label may-affects-6.1
/remove-label may-affects-5.4