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syncer reports error reading from server: EOF and paused #5235

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Tracked by #2246
lichunzhu opened this issue Apr 21, 2022 · 1 comment · Fixed by #5278
Closed
Tracked by #2246

syncer reports error reading from server: EOF and paused #5235

lichunzhu opened this issue Apr 21, 2022 · 1 comment · Fixed by #5278
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area/dm Issues or PRs related to DM. component/test Unit tests and integration tests component. type/enhancement The issue or PR belongs to an enhancement.

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@lichunzhu
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Which jobs are flaking?

IT-shardddl3

Which test(s) are flaking?

DM_097

Jenkins logs or GitHub Actions link

https://ci2.pingcap.net/job/dm_ghpr_integration_test/5098/display/redirect

Anything else we need to know

[2022-04-21T09:32:50.215Z] [2022/04/21 17:32:21.444 +08:00] [ERROR] [subtask.go:392] ["unit process error"] [subtask=test] [unit=Sync] ["error information"="ErrCode:50000 ErrClass:\"not-set\" ErrScope:\"not-set\" ErrLevel:\"high\" Message:\"startLocation: [position: (dm-integration-test-go1180-5098-3hvrw-35rq4-bin|000001.000001, 88195), gtid-set: 7260a9b7-c155-11ec-8e12-b6d4cb74e1dd:1-377], endLocation: [position: (dm-integration-test-go1180-5098-3hvrw-35rq4-bin|000001.000001, 88328), gtid-set: 7260a9b7-c155-11ec-8e12-b6d4cb74e1dd:1-378], origin SQL: [alter table shardddl1.tb2 add column col int]: rpc error: code = Unavailable desc = error reading from server: EOF\" "]
@lichunzhu lichunzhu added the component/test Unit tests and integration tests component. label Apr 21, 2022
@lichunzhu lichunzhu changed the title syncer reports syncer reports error reading from server: EOF and paused Apr 21, 2022
@lichunzhu lichunzhu added the area/dm Issues or PRs related to DM. label Apr 21, 2022
This was referenced Apr 21, 2022
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@lichunzhu
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lichunzhu commented Apr 25, 2022 •
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This will happen if we try to put optimistic operation when dm-master is down. This problem will make dm-worker's task paused and not easy to find out what's happening.

@lichunzhu lichunzhu mentioned this issue Apr 26, 2022
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@lichunzhu lichunzhu added the type/enhancement The issue or PR belongs to an enhancement. label Apr 26, 2022
ti-chi-bot pushed a commit that referenced this issue Apr 29, 2022
@lichunzhu
pkg/ha: refine ha package error information and retry mechnism for et…
7ab3ee4 
…cd operations (#5278)

close #5235
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pkg/ha: refine ha package error information and retry mechnism for etcd operations lichunzhu/tiflow
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