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eventservice: propagate event store iterator errors

severity/minor

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

Status: Open.

#5005 In pingcap/ticdc;

· lidezhu opened on May 7, 2026

eventcollector: dispatcher session management is coupled with statistics tracking in dispatcherStat

contributionThis PR is from a community contributor.This PR is from a community contributor.

first-time-contributorIndicates that the PR was contributed by an external member and is a first-time contributor.Indicates that the PR was contributed by an external member and is a first-time contributor.

Status: Open.

#5002 In pingcap/ticdc;

· lanfuchao opened on May 7, 2026

[Bug] event_store tableStats is keyed only by TableID across keyspaces

Status: Open.

#4998 In pingcap/ticdc;

· tenfyzhong opened on May 6, 2026

Event store has a race around subscription checkpoint updates

severity/moderate

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

Status: Open.

#4992 In pingcap/ticdc;

· lidezhu opened on May 5, 2026

TiCDC changefeed management

contributionThis PR is from a community contributor.This PR is from a community contributor.

Status: Open.

#4968 In pingcap/ticdc;

· TailinLyu opened on May 1, 2026

Allow changefeed to resume from any timestamp above tikv_gc_safe_point

contributionThis PR is from a community contributor.This PR is from a community contributor.

first-time-contributorIndicates that the PR was contributed by an external member and is a first-time contributor.Indicates that the PR was contributed by an external member and is a first-time contributor.

Status: Open.

#4967 In pingcap/ticdc;

· TailinLyu opened on May 1, 2026

maintainer can be overwhelmed by stale BlockStatusRequest resend loops and blocking for hours

severity/moderate

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

Status: Open.

#4957 In pingcap/ticdc;

· asddongmen opened on Apr 30, 2026

changefeed fail to initialize under 1000K tables scenario

severity/moderate

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

Status: Open.

#4951 In pingcap/ticdc;

· lidezhu opened on Apr 29, 2026

changefeed resolvedTs lag increase after pausing to write data upstream

severity/moderate

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

Status: Open.

#4940 In pingcap/ticdc;

· wk989898 opened on Apr 28, 2026

Optimize performance by adjusting PebbleDB options

type/enhancementThe issue or PR belongs to an enhancement.The issue or PR belongs to an enhancement.

Status: Open.

#4939 In pingcap/ticdc;

· wk989898 opened on Apr 28, 2026

cdc cli: support TOML output and migration-optimized diff for changefeed query

contributionThis PR is from a community contributor.This PR is from a community contributor.

first-time-contributorIndicates that the PR was contributed by an external member and is a first-time contributor.Indicates that the PR was contributed by an external member and is a first-time contributor.

Status: Open.

#4936 In pingcap/ticdc;

· JesseZhuang opened on Apr 27, 2026

slow kafka sink when upstream write data

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

Status: Open.

#4895 In pingcap/ticdc;

· wk989898 opened on Apr 23, 2026