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This topic has been translated from a Chinese forum by GPT and might contain errors.Original topic: TiCDC是否支持获取上下游TSO关系
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username: eastfisher
【TiDB Usage Environment】POC
【TiDB Version】v5
【Encountered Problem】Does TiCDC support a ts-map similar to TiDB Binlog to obtain the upstream and downstream TSO relationship? https://docs.pingcap.com/zh/tidb/stable/upstream-downstream-diff
【Reproduction Path】
【Problem Phenomenon and Impact】
Reading the source code is supported:
https://github.com/pingcap/tiflow/blob/master/cdc/sink/mysql/mysql_syncpoint_store.go#L201
You need to query through the downstream tidb_cdc.syncpoint_v1 table.
According to the documentation, it is supported, and you can see the upstream in the downstream.
Do you have any specific requirements? Are you looking to monitor upstream and downstream latency?
Yes, monitoring upstream and downstream latency, and performing some data validation based on TSO.
Are these two monitoring items not meeting the requirements?
It is necessary to obtain the upstream and downstream associated TSO.
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