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redo read metadata may block the owner and read bad data #9886

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3AceShowHand opened this issue Oct 13, 2023 · 0 comments · Fixed by #9887
Closed

redo read metadata may block the owner and read bad data #9886

3AceShowHand opened this issue Oct 13, 2023 · 0 comments · Fixed by #9887
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@3AceShowHand
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affects-6.1 affects-6.2 affects-6.3 affects-6.4 affects-6.5 affects-6.6 affects-7.0 affects-7.1 affects-7.2 affects-7.3 affects-7.4 affects-7.5 area/ticdc Issues or PRs related to TiCDC. component/redolog needs-cherry-pick-release-6.5 Should cherry pick this PR to release-6.5 branch. needs-cherry-pick-release-7.1 Should cherry pick this PR to release-7.1 branch. severity/major This is a major bug. type/bug This is a bug.
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@3AceShowHand
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What did you do?

  1. mount a NFS as the external storage for the redo log.
  2. create a changefeed with the redo enabled.

What did you expect to see?

the changefeed works normally

What did you see instead?

  • the changefeed cannot contact the NFS system.
  • the owner is blocked for a long time, around 8 minutes.

Versions of the cluster

Upstream TiDB cluster version (execute SELECT tidb_version(); in a MySQL client):

(paste TiDB cluster version here)

Upstream TiKV version (execute tikv-server --version):

(paste TiKV version here)

TiCDC version (execute cdc version):

v6.5.5
@3AceShowHand 3AceShowHand added type/bug This is a bug. area/ticdc Issues or PRs related to TiCDC. labels Oct 13, 2023
@github-actions github-actions bot added this to Need Triage in Question and Bug Reports Oct 13, 2023
@3AceShowHand 3AceShowHand added the severity/major This is a major bug. label Oct 13, 2023
@3AceShowHand 3AceShowHand self-assigned this Oct 13, 2023
@3AceShowHand 3AceShowHand mentioned this issue Oct 13, 2023
Merged
@3AceShowHand 3AceShowHand moved this from Need Triage to In Progress in Question and Bug Reports Oct 19, 2023
@ti-chi-bot ti-chi-bot bot closed this as completed in #9887 Nov 1, 2023
Question and Bug Reports automation moved this from In Progress to Done Nov 1, 2023
ti-chi-bot bot pushed a commit that referenced this issue Nov 1, 2023
@3AceShowHand
redo(ticdc): fix redo initialization block the owner (#9887)
684d117 
close #9886
This was referenced Nov 1, 2023
Merged
Merged
Merged
ti-chi-bot bot pushed a commit that referenced this issue Nov 2, 2023
@ti-chi-bot
redo(ticdc): fix redo initialization block the owner (#9887) (#9993)
87785f1 
close #9886
ti-chi-bot bot pushed a commit that referenced this issue Nov 3, 2023
@ti-chi-bot
redo(ticdc): fix redo initialization block the owner (#9887) (#9992)
ba5bced 
close #9886
@nongfushanquan nongfushanquan mentioned this issue Nov 14, 2023
Merged
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ti-chi-bot bot pushed a commit that referenced this issue Nov 14, 2023
@ti-chi-bot
redo(ticdc): fix redo initialization block the owner (#9887) (#9991)
21033a4 
close #9886
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@3AceShowHand 3AceShowHand

Labels
affects-6.1 affects-6.2 affects-6.3 affects-6.4 affects-6.5 affects-6.6 affects-7.0 affects-7.1 affects-7.2 affects-7.3 affects-7.4 affects-7.5 area/ticdc Issues or PRs related to TiCDC. component/redolog needs-cherry-pick-release-6.5 Should cherry pick this PR to release-6.5 branch. needs-cherry-pick-release-7.1 Should cherry pick this PR to release-7.1 branch. severity/major This is a major bug. type/bug This is a bug.
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redo(ticdc): fix redo initialization block the owner 3AceShowHand/tiflow
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