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Co-authored-by: Aolin <[email protected]>
Co-authored-by: Grace Cai <[email protected]>
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3 people authored Dec 21, 2023
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14 changes: 5 additions & 9 deletions releases/release-7.1.3.md
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## Improvements

+ TiKV

- Add the `Max gap of safe-ts` and `Min safe ts region` metrics and introduce the `tikv-ctl get-region-read-progress` command to better observe and diagnose the status of resolved-ts and safe-ts [#15082](https://github.com/tikv/tikv/issues/15082) @[ekexium](https://github.com/ekexium)

+ PD

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- Optimize the memory consumption when TiCDC nodes replicate data to TiDB [#9935](https://github.com/pingcap/tiflow/issues/9935) @[3AceShowHand](https://github.com/3AceShowHand)
- Optimize some alarm rules [#9266](https://github.com/pingcap/tiflow/issues/9266) @[asddongmen](https://github.com/asddongmen)
- Optimize the performance of redo log, including parallel writing data to S3 and adopting lz4 compression algorithm [#10176](https://github.com/pingcap/tiflow/issues/10176)[#10226](https://github.com/pingcap/tiflow/issues/10226) @[sdojjy](https://github.com/sdojjy)
- Optimize the performance of redo log, including parallel writing data to S3 and adopting lz4 compression algorithm [#10176](https://github.com/pingcap/tiflow/issues/10176) [#10226](https://github.com/pingcap/tiflow/issues/10226) @[sdojjy](https://github.com/sdojjy)
- Improve the performance of TiCDC replicating data to object storage by increasing parallelism [#10098](https://github.com/pingcap/tiflow/issues/10098) @[CharlesCheung96](https://github.com/CharlesCheung96)
- Reduce the impact of TiCDC incremental scanning on upstream TiKV [#11390](https://github.com/tikv/tikv/issues/11390) @[hicqu](https://github.com/hicqu)
- Support making TiCDC Canal-JSON content format [compatible with the content format of the official Canal output](https://docs.pingcap.com/tidb/v6.5/ticdc-canal-json#compatibility-with-the-official-canal) by setting `content-compatible=true` in the `sink-uri` configuration [#10106](https://github.com/pingcap/tiflow/issues/10106) @[3AceShowHand](https://github.com/3AceShowHand)
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- Fix the issue that tables with `AUTO_ID_CACHE=1` might lead to gRPC client leaks when there are a large number of tables [#48869](https://github.com/pingcap/tidb/issues/48869) @[tiancaiamao](https://github.com/tiancaiamao)
- Fix the incorrect error message for `ErrLoadDataInvalidURI` (invalid S3 URI error) [#48164](https://github.com/pingcap/tidb/issues/48164) @[lance6716](https://github.com/lance6716)
- Fix the issue that executing `ALTER TABLE ... LAST PARTITION` fails when the partition column type is `DATETIME` [#48814](https://github.com/pingcap/tidb/issues/48814) @[crazycs520](https://github.com/crazycs520)
- Fix the issue that the actual error message during `IMPORT INTO` execution might be overridden by other error messages [#47992](https://github.com/pingcap/tidb/issues/47992)[#47781](https://github.com/pingcap/tidb/issues/47781) @[D3Hunter](https://github.com/D3Hunter)
- Fix the issue that the actual error message during `IMPORT INTO` execution might be overridden by other error messages [#47992](https://github.com/pingcap/tidb/issues/47992) [#47781](https://github.com/pingcap/tidb/issues/47781) @[D3Hunter](https://github.com/D3Hunter)
- Fix the issue that TiDB deployed in the cgroup v2 container cannot be detected [#48342](https://github.com/pingcap/tidb/issues/48342) @[D3Hunter](https://github.com/D3Hunter)
- Fix the issue that executing `UNION ALL` with the DUAL table as the first subnode might cause an error [#48755](https://github.com/pingcap/tidb/issues/48755) @[winoros](https://github.com/winoros)
- Fix the TiDB node panic issue that occurs when DDL `jobID` is restored to 0 [#46296](https://github.com/pingcap/tidb/issues/46296) @[jiyfhust](https://github.com/jiyfhust)
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- Fix the issue that when PD leader is transferred and there is a network partition between the new leader and the PD client, the PD client fails to update the information of the leader [#7416](https://github.com/tikv/pd/issues/7416) @[CabinfeverB](https://github.com/CabinfeverB)
- Fix the issue that adding multiple TiKV nodes to a large cluster might cause TiKV heartbeat reporting to become slow or stuck [#7248](https://github.com/tikv/pd/issues/7248) @[rleungx](https://github.com/rleungx)
- Fix the issue that TiDB Dashboard cannot read PD `trace` data correctly [#7253](https://github.com/tikv/pd/issues/7253) @[nolouch](https://github.com/nolouch)
- Upgrade the version of Gin Web Framework from v1.8.1 to v1.9.1 to fix some security issues [#7438](https://github.com/tikv/pd/issues/7438) @[niubell](https://github.com/niubell)
- Fix some security issues by upgrading the version of Gin Web Framework from v1.8.1 to v1.9.1 [#7438](https://github.com/tikv/pd/issues/7438) @[niubell](https://github.com/niubell)
- Fix the issue that the rule checker does not add Learners according to the configuration of Placement Rules [#7185](https://github.com/tikv/pd/issues/7185) @[nolouch](https://github.com/nolouch)
- Fix the issue that PD might delete normal Peers when TiKV nodes are unavailable [#7249](https://github.com/tikv/pd/issues/7249) @[lhy1024](https://github.com/lhy1024)
- Fix the issue that it takes a long time to switch the leader in DR Auto-Sync mode [#6988](https://github.com/tikv/pd/issues/6988) @[HuSharp](https://github.com/HuSharp)
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- Fix the issue that the default values for BR SQL commands and CLI are different, which might cause OOM issues [#48000](https://github.com/pingcap/tidb/issues/48000) @[YuJuncen](https://github.com/YuJuncen)
- Fix the issue that the log backup might get stuck in some scenarios when backing up large wide tables [#15714](https://github.com/tikv/tikv/issues/15714) @[YuJuncen](https://github.com/YuJuncen)
- Fix the issue that BR generates incorrect URIs for external storage files [#48452](https://github.com/pingcap/tidb/issues/48452) @[3AceShowHand](https://github.com/3AceShowHand)
- Fix the issue that the retry after an EC2 metadata connection reset cause degraded backup and restore performance [#46750](https://github.com/pingcap/tidb/issues/47650) @[Leavrth](https://github.com/Leavrth)
- Fix the issue that the retry after an EC2 metadata connection reset causes degraded backup and restore performance [#46750](https://github.com/pingcap/tidb/issues/47650) @[Leavrth](https://github.com/Leavrth)
- Fix the issue that the log backup task can start but does not work properly if failing to connect to PD during task initialization [#16056](https://github.com/tikv/tikv/issues/16056) @[YuJuncen](https://github.com/YuJuncen)

+ TiCDC

- Fix the issue that the `WHERE` clause does not use the primary key as a condition when replicating `DELETE` statements in certain scenarios [#9812](https://github.com/pingcap/tiflow/issues/9812) @[asddongmen](https://github.com/asddongmen)
- Fix the issue of the long interval between replicating DDL statements after enabling the redo log feature [#9960](https://github.com/pingcap/tiflow/issues/9960) @[CharlesCheung96](https://github.com/CharlesCheung96)
- Fix the issue that replication tasks get stuck in certain special scenarios when replicating data to object storage [#10041](https://github.com/pingcap/tiflow/issues/10041)[#10044](https://github.com/pingcap/tiflow/issues/10044) @[CharlesCheung96](https://github.com/CharlesCheung96)
- Fix the issue that replication tasks get stuck in certain special scenarios when replicating data to object storage [#10041](https://github.com/pingcap/tiflow/issues/10041) [#10044](https://github.com/pingcap/tiflow/issues/10044) @[CharlesCheung96](https://github.com/CharlesCheung96)
- Fix the issue that replication tasks get stuck in certain special scenarios after enabling sync-point and redo log [#10091](https://github.com/pingcap/tiflow/issues/10091) @[CharlesCheung96](https://github.com/CharlesCheung96)
- Fix the issue that TiCDC mistakenly closes the connection with TiKV in certain special scenarios [#10239](https://github.com/pingcap/tiflow/issues/10239) @[hicqu](https://github.com/hicqu)
- Fix the issue that the changefeed cannot replicate DML events in bidirectional replication mode if the target table is dropped and then recreated in upstream [#10079](https://github.com/pingcap/tiflow/issues/10079) @[asddongmen](https://github.com/asddongmen)
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