pingcap/ticdc

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TiCDC pulls change logs out of TiDB and pushes to kinds of systems.

Stars: 56
Forks: 63
Open beginner issues: 0
Indexed issues: 257
Avg merge: 2d 20h
Merged PRs (30d): 34

Dominant language: Go
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue

Beginner friendly Everything

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257 open issues indexed

kafka-consumer: remove the librdkafka dependency Open

type/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 52/100

pingcap/ticdc#6310 · Opened Sep 19, 2026
eventservice: avoid blocking EventStore notifications when the scan queue is full Open

affects-8.5 type/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

pingcap/ticdc#6309 · Opened Sep 19, 2026
allow changefeed operation with the same upstream cluster Open

type/enhancement

pingcap/ticdc#6285 · 1 assignee · Opened Sep 18, 2026
coordinator: maintainer handoff can restart from a stale checkpoint Open

affects-8.5 severity/major type/bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

pingcap/ticdc#6283 · Opened Sep 18, 2026
ClassifyEvent() does not recognize DROP FOREIGN KEY causing CheckpointTS stuck Open

type/bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

pingcap/ticdc#6275 · 1 comment · Opened Sep 17, 2026
Support creating changefeeds in a paused state Open

type/feature-request

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pingcap/ticdc#6266 · Opened Sep 15, 2026
routing: incorrect rule matching and CREATE VIEW rewriting Open

component/sink severity/moderate type/bug

pingcap/ticdc#6264 · 1 assignee · Opened Sep 15, 2026
redo apply oom Open

type/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 30/100

pingcap/ticdc#6252 · Opened Sep 14, 2026
rebalance dispatchers by traffic when table splitting is disabled Open

type/enhancement

pingcap/ticdc#6251 · 1 assignee · Opened Sep 14, 2026
canal-json: output the transaction start_ts in the _tidb extension block Open

type/feature-request

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

pingcap/ticdc#6242 · 1 comment · Opened Sep 12, 2026
tests: Kafka split-table move case exhausts downstream DDL disk Open

type/bug

pingcap/ticdc#6232 · 1 assignee · Opened Sep 12, 2026
Some OpenAPI calls inherit invalid Host header when needing to `getChangeFeed()`. Open

type/bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

pingcap/ticdc#6217 · 1 comment · Opened Sep 11, 2026
Support changefeed traffic metering and reporting Open

type/feature-request

Difficulty 5/5 Over a week Newbie friendliness 45/100

pingcap/ticdc#6204 · Opened Sep 9, 2026
coordinator: bootstrap waits for a deleted capture until captureRemoveTTL expires Open

type/enhancement

pingcap/ticdc#6203 · 1 assignee · Opened Sep 9, 2026
restored in-flight creates a duplicate dispatcher in maintainer_failover_when_operator Open

affects-8.5 severity/critical type/bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

pingcap/ticdc#6202 · 1 comment · Opened Sep 9, 2026
schemastore: lazy keyspace initialization can block graceful shutdown Open

severity/moderate type/bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

pingcap/ticdc#6199 · Opened Sep 8, 2026
release-nextgen-202603: HA (PD leader partition) still reproducibly freezes changefeed checkpoint after capture replacement Open

may-affects-25.10 may-affects-26.3 may-affects-8.5 severity/major type/bug

pingcap/ticdc#6193 · 3 comments · 1 assignee · Opened Sep 7, 2026
compliance: add root third-party notices for Go dependencies Open

type/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 38/100

pingcap/ticdc#6164 · 1 comment · Opened Sep 4, 2026
Upgrade TiCDC build toolchain from Go 1.25 Open

contribution first-time-contributor

Difficulty 3/5 1-2 days Newbie friendliness 66/100

pingcap/ticdc#6163 · 1 comment · Opened Sep 3, 2026
Changefeed stop replicating after TiCDC server scale in Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

pingcap/ticdc#6160 · Opened Sep 3, 2026
mysql sink: long DDL timeout can execute the same DDL repeatedly Open

affects-8.5 severity/moderate type/bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

pingcap/ticdc#6147 · Opened Sep 2, 2026
new architecture: traffic balancing can move spans to an overloaded EventStore node Open

affects-8.5 type/enhancement

pingcap/ticdc#6144 · 1 comment · 2 assignees · Opened Sep 1, 2026
kafka sink: Sarama GSSAPI fails with Kafka 3.x and 4.x Open

severity/minor type/bug

pingcap/ticdc#6142 · 1 comment · 1 assignee · Opened Sep 1, 2026
simple: add an opt-out for WATERMARK messages, symmetric with avro-enable-watermark Open

contribution type/feature-request

Difficulty 3/5 1-2 days Newbie friendliness 74/100

pingcap/ticdc#6107 · 1 comment · Opened Aug 27, 2026
kafka: make topic manager shutdown interrupt in-flight metadata refresh Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

pingcap/ticdc#6099 · Opened Aug 27, 2026
respect `case-sensitive` in schema store Open

severity/moderate type/bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

pingcap/ticdc#6096 · Opened Aug 27, 2026
schemastore: panic after DROP, FLASHBACK, and DROP DATABASE Open

affects-26.3 affects-8.5 severity/major type/bug

Difficulty 4/5 3-5 days Newbie friendliness 74/100

pingcap/ticdc#6095 · Opened Aug 27, 2026
kafka: avoid duplicate topic create-and-wait operations for concurrent callers Open

type/enhancement

pingcap/ticdc#6083 · 1 assignee · Opened Aug 25, 2026
coordinator: resent RunningError advances backoff multiple times during one restart Open

type/enhancement

Difficulty 3/5 1-2 days Newbie friendliness 65/100

pingcap/ticdc#6082 · Opened Aug 25, 2026
maintainer: balance scheduler spins on rejected quiescing‑move operations and generates verbose logs at 34 MB/s Open

affects-8.5 severity/moderate type/bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

pingcap/ticdc#6068 · 1 comment · Opened Aug 24, 2026
Sarama retry since v8.5.7 may make the sink stuck forever on transient error Open

type/bug

pingcap/ticdc#6041 · 1 comment · 1 assignee · Opened Aug 19, 2026
eventservice: scan window can strand transaction cursor Open

affects-8.5 severity/minor type/bug

pingcap/ticdc#6022 · 1 assignee · Opened Aug 18, 2026
logpuller: remove unnecessary event buffering Open

affects-8.5 type/enhancement

Difficulty 3/5 1-2 days Newbie friendliness 55/100

pingcap/ticdc#6021 · Opened Aug 18, 2026
TiCDC changefeed stalls during recovery scan: `scan_window` base_ts freezes, regions never initialize Open

severity/minor type/bug

pingcap/ticdc#6020 · 1 comment · 1 assignee · Opened Aug 18, 2026
eventservice: scan window throttles bursty TPC-C workloads Open

type/enhancement

pingcap/ticdc#5949 · 1 assignee · Opened Aug 11, 2026
New architecture cannot resolve a pre-existing stale lock when the affected subscription remains uninitialized Open

contribution first-time-contributor

Difficulty 4/5 3-5 days Newbie friendliness 48/100

pingcap/ticdc#5947 · 1 comment · Opened Aug 11, 2026
redo: redo apply may OOM when applying a large DML-only range Open

type/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

pingcap/ticdc#5938 · Opened Aug 10, 2026
kafka: remove legacy Sarama implementation and tests Open

component/kafka component/test difficulty/easy type/refactor

Difficulty 4/5 3-5 days Newbie friendliness 45/100

pingcap/ticdc#5890 · Opened Aug 5, 2026
tests: decouple Kafka topic helper from Sarama Open

component/kafka component/test difficulty/medium type/refactor

pingcap/ticdc#5882 · 1 assignee · Opened Aug 5, 2026
Tracking Kafka enhancement and migrate to franz-go Open

pingcap/ticdc#5881 · 1 assignee · Opened Aug 5, 2026
metrics: clarify ownership of the codec compression ratio metric Open

component/metrics-logging component/sink priority/P3 type/enhancement

pingcap/ticdc#5880 · 1 assignee · Opened Aug 5, 2026
metrics: decide dashboard coverage for Kafka producer response rate Open

component/kafka component/metrics-logging priority/P3 type/enhancement

pingcap/ticdc#5879 · 1 assignee · Opened Aug 5, 2026
sink: Pulsar SDK metrics are not exposed by the TiCDC metrics endpoint Open

component/metrics-logging component/sink priority/P2 severity/moderate type/bug

Difficulty 4/5 3-5 days Newbie friendliness 68/100

pingcap/ticdc#5875 · Opened Aug 4, 2026
support AWS IAM authentication for Amazon MSK Open

type/feature-request

pingcap/ticdc#5872 · 1 assignee · Opened Aug 4, 2026
verbose log `Name is potentially not safe for serialization, replace it` Open

component/metrics-logging nextgen

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pingcap/ticdc#5864 · Opened Aug 3, 2026
mysql sink: affected rows metric may be inaccurate with multi-statements Open

component/metrics-logging component/mysql priority/P2 severity/minor subject/diagnosis type/bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

pingcap/ticdc#5832 · 1 comment · Opened Jul 31, 2026
sink: make sink statistics consistent and flush-aware Open

affects-8.5 component/metrics-logging type/enhancement

pingcap/ticdc#5820 · 1 assignee · Opened Jul 29, 2026
[Bug] Next-gen integration tests race on shared TiDB slow log Open

severity/minor type/bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

pingcap/ticdc#5814 · Opened Jul 29, 2026
Changefeed checkpoint stops advancing silently while state stays normal, when a capture is alive in PD but cannot reach its peers Open

contribution first-time-contributor type/bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

pingcap/ticdc#5784 · 1 comment · Opened Jul 27, 2026
TiCDC v8.5.7 may panic when batch-dml-enable=true on a changefeed with DELETE-related filtering, while the same workload can continue when batch-dml-enable=false Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

pingcap/ticdc#5695 · Opened Jul 20, 2026

pingcap/ticdc

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