[BUG] The cpu usage of task manager is very high based on TiDB Flink connector flink1.13

[chestnut-c]

Describe the bug
The cpu usage of task manager is very high based on TiDB Flink connector flink1.13

What did you do
srteam source type is kafka ,but my tidb only five records,cpu is about 87% （1C4G）

[chestnut-c]

can you help me？

[xuanyu66]

@chestnut-c I'm sorry not to respond timely. I will check this.

[xuanyu66]

Is there any log of flink？