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pingcap / tiflow

This repo maintains DM (a data migration platform) and TiCDC (change data capture for TiDB)
Apache License 2.0
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when the hotspot region is splitting constantly, data cannot be synchronized to downstream [restore for 5612] #11688

Open ti-chi-bot opened 2 weeks ago

ti-chi-bot commented 2 weeks ago

What did you do?

  1. create a cluster on dbaas
  2. create a changefeed on this cluster(cdc to mysql/kafka function)
  3. Load data to the cluster(use go-tpc load tool)
  4. Observation data synchronization

What did you expect to see?

Data is synchronized to downstream normally

What did you see instead?

data cannot be synchronized to downstream，the lag increases constantly LcxSYEnpIH Ucp67uOssj

Versions of the cluster

tidb: 5.4.1 ticdc:5.4.1

current status of DM cluster (execute query-status <task-name> in dmctl)

(paste current status of DM cluster here)
ti-chi-bot commented 2 weeks ago

This issue is restored for #5612, it originally created at 2022-05-27 06:53:04.