fubinzh

CDC resolved ts stucks, CDC incremental scan encountered lots of RegionNotFound error

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## Bug Report ### What version of TiKV are you using? TiKV Release Version: 8.0.0-alpha Edition: Community Git Commit Hash: e4e273f758c289df9ddf47b73371185bf867b2cd Git Commit Branch: heads/refs/tags/v8.0.0-alpha UTC Build Time: 2024-02-06 11:42:45...

lightning import fails due to sst leakake in /var/lib/tikv/data/import

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## Bug Report ### What version of TiKV are you using? sh-5.1#/tikv-server -V TiKV Release Version: 7.0.0 Edition: Community Git Commit Hash: 37ad006fa487e858868d192c83cfca827e0fe175 Git Commit Branch: heads/refs/tags/v7.0.0-pr14147 ### What operating...

PITR lag increase during br restore

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## Bug Report ### What version of TiKV are you using? master ### What operating system and CPU are you using? K8S ### Steps to reproduce 1. Run workload 2....

TiKV resolved ts gap keep increasing

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## Bug Report ### What version of TiKV are you using? ``` TiKV Release Version: 7.1.0 Edition: Community Git Commit Hash: 76d524f7acb4215ee68f07307e0312b9f56ec866 Git Commit Branch: heads/refs/tags/v7.1.0 UTC Build Time: 2023-05-23...

## Bug Report ### What version of TiKV are you using? ``` / # /tikv-server -V TiKV Release Version: 6.5.6 Edition: Community Git Commit Hash: 08a6a0f6d6180c01a33b9b3973111d69533269eb Git Commit Branch: heads/refs/tags/v6.5.6...

apply-write_memtable_time and TiDB latency increases during cdc initial scan

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## Bug Report ### What version of TiKV are you using? ``` / # /tikv-server -V TiKV Release Version: 6.5.3 Edition: Enterprise Git Commit Hash: ed884cd2968f53d6ca0239bc7dd2364ed56b6461 Git Commit Branch: heads/refs/tags/v6.5.3-20231207-ed884cd...

Kafka consumer panic: RowChangedEvent dispatched to wrong partition

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### What did you do? 1. create kafka avro changefeed ``` [root@upstream-ticdc-0 /]# cat /tmp/changefeed.toml [integrity] integrity-check-level = "correctness" /cdc cli changefeed create "--server=127.0.0.1:8301" "--sink-uri=kafka://downstream-kafka.cdc-testbed-tps-7260025-1-4:9092/kafka-avro?avro-enable-watermark=true&protocol=avro&replication-factor=1&enable-tidb-extension=true&avro-decimal-handling-mode=string&avro-bigint-unsigned-handling-mode=string" "--changefeed-id=kafka-avro-enable-extension" "--config=/tmp/changefeed.toml" "--schema-registry=http://schemaregistry.cdc-testbed-tps-7260025-1-4:8081" ``` 2....

cdc panic when scale out TiKV

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### What did you do? 1. TiDB cluster with 6 TiKV, one kafka simple protocol changefeed running 2. scale TiKV from 6 to 7 ### What did you expect to...

sourcemanager stucks when closing processor and cdc disk is full.

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### What did you do? This issue is seen when CDC incremental scan not finished in 24 hours, CDC changefeed into error state, and cdc tries to close processor when...

CDC scan speed metric not accurate

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### What did you do? 0. Change TiKV configuration ``` cdc.incremental-fetch-speed-limit= 256MiB (default 512MiB) cdc.incremental-scan-speed-limit = 64MiB (default 128MiB) ``` 2. Create CDC changefeed 3. Pause the changefeed 4. Run...