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Incremental scan is restarted unexpectedly due to GC pause is too long #2375

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overvenus opened this issue Jul 26, 2021 · 2 comments
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Incremental scan is restarted unexpectedly due to GC pause is too long #2375

overvenus opened this issue Jul 26, 2021 · 2 comments
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area/ticdc Issues or PRs related to TiCDC. component/replica-model Replication model component. difficulty/hard Hard task. severity/major subject/replication-interruption Denotes an issue or pull request is related to replication interruption. type/bug The issue is confirmed as a bug.

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@overvenus
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Bug Report

Please answer these questions before submitting your issue. Thanks!

  1. What did you do? If possible, provide a recipe for reproducing the error.

Replicating 200+ tables with two TiCDC nodes. The initial incremental scan processes about 400G.

We found a capture is paused by GC too long, and triggers unexpected errors like grpc keepalive dog timeout and [pd] cannot update leader, one of these errors cause capture exits capture session done, capture suicide itself and interrupts incremental scan.

  1. What did you expect to see?

No capture exits and incremental scan interruption.

  1. What did you see instead?

capture exits and incremental scan interruption.

  1. Versions of the cluster

Release-4.0 5a78519
@overvenus overvenus added type/bug The issue is confirmed as a bug. difficulty/hard Hard task. labels Jul 26, 2021
@overvenus
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overvenus commented Jul 26, 2021 •
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It may relate to #2202 .

@asddongmen asddongmen added component/replica-model Replication model component. subject/replication-interruption Denotes an issue or pull request is related to replication interruption. severity/major labels Jul 27, 2021
This was referenced Jul 27, 2021
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@overvenus
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This issue has been mitigated by #2474 #2415 #2665 and #2214 .

@AkiraXie AkiraXie added the area/ticdc Issues or PRs related to TiCDC. label Mar 9, 2022
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area/ticdc Issues or PRs related to TiCDC. component/replica-model Replication model component. difficulty/hard Hard task. severity/major subject/replication-interruption Denotes an issue or pull request is related to replication interruption. type/bug The issue is confirmed as a bug.
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@overvenus @asddongmen @AkiraXie