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Question about CDCClient, please help me!!! #650

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MengXiangDing opened this issue Aug 29, 2022 · 5 comments
Open

Question about CDCClient, please help me!!! #650

MengXiangDing opened this issue Aug 29, 2022 · 5 comments

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@MengXiangDing
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Can each CDCClient only pull one table?
Then if there are many tables, it will lead to many connections and cause TiKV to be overwhelmed?

@MengXiangDing MengXiangDing changed the title question about CDCClient, please help me!!! Question about CDCClient, please help me!!! Aug 29, 2022
@sunxiaoguang
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CDC client was contributed by a contributor a year ago. Without checking out code no one can answer it correctly. On the other hand TiKV used gRPC for it’s data plane transport, it’s very likely that CDC client uses gRPC as well and multiplex requests over a pool of connections.

@MengXiangDing
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Ok, thank you.
But now the latest version has removed the cdc component, do you know where it moved?

@sunxiaoguang
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You can always check out previous version of client-java and find out CDC code. Currently there is no community efforts willing to maintain such project. We would like to see somebody fork it and build a separate TiDB CDC java client project.

@MengXiangDing
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Ok, thank you. I think the cdcClient component is very nice. However, at present, I do not have the ability and time to maintain the TiDB CDC java client.

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This issue is stale because it has been open 30 days with no activity.

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