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changefeed lag reached more than 21 mins during upgrading from 6.5.11 to 8.5.0

area/ticdcIssues or PRs related to TiCDC.Issues or PRs related to TiCDC.

may-affects-5.4

may-affects-6.1

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

may-affects-8.5

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#11959 In pingcap/tiflow;

· Lily2025 opened on Dec 31, 2024

CDC data inconsistency after injection network partition between all cdc and all kafka

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

area/ticdcIssues or PRs related to TiCDC.Issues or PRs related to TiCDC.

impact/inconsistencyincorrect/inconsistency/inconsistentincorrect/inconsistency/inconsistent

may-affects-5.4

may-affects-6.1

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.5

severity/critical

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#11910 In pingcap/tiflow;

· Lily2025 opened on Dec 19, 2024

DM internal tables does not have PK so can't work with sql_require_primary_key=ON

area/dmIssues or PRs related to DM.Issues or PRs related to DM.

may-affects-5.4

may-affects-6.1

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

may-affects-8.5

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#11786 In pingcap/tiflow;

· lance6716 opened on Nov 22, 2024

Compatibility Issue with MySQL Integration Test default_value in TiCDC When Using Go 1.23.2

affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

area/ticdcIssues or PRs related to TiCDC.Issues or PRs related to TiCDC.

may-affects-5.4

may-affects-6.1

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#11639 In pingcap/tiflow;

· wlwilliamx opened on Oct 9, 2024

cdc owner stuck after injection downstream failure 3 mins and recover

affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

area/ticdcIssues or PRs related to TiCDC.Issues or PRs related to TiCDC.

may-affects-5.4

may-affects-6.1

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#11594 In pingcap/tiflow;

· Lily2025 opened on Sep 12, 2024

CDC lag up to 7min when injecting ha-pdleader-io-delay-1s-last-for-5m, though pd leader transferred soon

affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

area/ticdcIssues or PRs related to TiCDC.Issues or PRs related to TiCDC.

may-affects-5.4

may-affects-6.1

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#11569 In pingcap/tiflow;

· fubinzh opened on Sep 5, 2024

ticdc: mysql sink merge config may occour panic

affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

area/ticdcIssues or PRs related to TiCDC.Issues or PRs related to TiCDC.

impact/panic

may-affects-5.4

may-affects-6.1

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#11558 In pingcap/tiflow;

· wk989898 opened on Sep 3, 2024

TiKV leader election instability causing TiCDC initialization failures

affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

area/ticdcIssues or PRs related to TiCDC.Issues or PRs related to TiCDC.

may-affects-5.4

may-affects-6.1

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#11528 In pingcap/tiflow;

· verbotenj opened on Aug 28, 2024

add index can not sync to downstream after simulate network partition between upstream and downstream

affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

area/ticdcIssues or PRs related to TiCDC.Issues or PRs related to TiCDC.

may-affects-5.4

may-affects-6.1

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#11502 In pingcap/tiflow;

· Lily2025 opened on Aug 21, 2024

cdc changefeed stucks when injecting all tikv network partition

affects-8.2

affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

area/ticdcIssues or PRs related to TiCDC.Issues or PRs related to TiCDC.

may-affects-5.4

may-affects-6.1

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#11376 In pingcap/tiflow;

· fubinzh opened on Jul 2, 2024

Changefeeds are not distributed evenly over TiCDC nodes

affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

area/ticdcIssues or PRs related to TiCDC.Issues or PRs related to TiCDC.

may-affects-5.4

may-affects-6.1

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#11331 In pingcap/tiflow;

· King-Dylan opened on Jun 20, 2024

data validator with full mode don't support enum type

affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

area/dmIssues or PRs related to DM.Issues or PRs related to DM.

may-affects-5.4

may-affects-6.1

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#11300 In pingcap/tiflow;

· giant-panda666 opened on Jun 12, 2024