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changefeed lag spikes for about 10 min every 1 hours  #7137

@fubinzh

Description

@fubinzh

What did you do?

  1. Start changefeed
  2. Run workload
  3. Check changefeed lag

What did you expect to see?

Changefeed lag should be stable

What did you see instead?

changefeed lag spikes for about 10 min every 1 hours. The latency spike seems have the same pace as PD region scheduler.

img_v2_2fbc5394-0bbd-4300-ad67-eed18205d7dg

586e5f5a-8629-497e-b018-66c0254cc699

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Master

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    area/ticdcIssues or PRs related to TiCDC.component/kv-clientTiKV kv log client component.type/enhancementThe issue or PR belongs to an enhancement.

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