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Cannot use ingest mode to add index after cancelling #39768

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tangenta opened this issue Dec 8, 2022 · 0 comments · Fixed by #39769
Closed

Cannot use ingest mode to add index after cancelling #39768

tangenta opened this issue Dec 8, 2022 · 0 comments · Fixed by #39769
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affects-6.5 This bug affects the 6.5.x(LTS) versions. severity/moderate sig/sql-infra SIG: SQL Infra type/bug The issue is confirmed as a bug.

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@tangenta
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tangenta commented Dec 8, 2022

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

  1. Create an add index job with ingest mode.
  2. Cancel the job before it is complete.
  3. Repeat step 1 and step 2 for multiple times(Because sometimes the cancelling operation don't trigger this bug).
  4. The new add index jobs always fallback to txn-merge because the ingest job is kept in memory.
["[ddl-ingest] ingest backfill is already in use by another DDL job"] ["job ID"=249]

2. What did you expect to see? (Required)

When the DDL job is complete, new adding index jobs should use ingest mode.

3. What did you see instead (Required)

The opposite.

4. What is your TiDB version? (Required)

6784bfd
@tangenta tangenta added type/bug The issue is confirmed as a bug. affects-6.5 This bug affects the 6.5.x(LTS) versions. severity/moderate labels Dec 8, 2022
@tangenta tangenta mentioned this issue Dec 8, 2022
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ti-chi-bot pushed a commit that referenced this issue Dec 8, 2022
@tangenta
ddl: unregister add index job after DDL done (#39769)
2a928d8 
close #39768
@ti-chi-bot ti-chi-bot mentioned this issue Dec 8, 2022
Closed
12 tasks
@jebter jebter added the sig/sql-infra SIG: SQL Infra label Aug 4, 2023
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affects-6.5 This bug affects the 6.5.x(LTS) versions. severity/moderate sig/sql-infra SIG: SQL Infra type/bug The issue is confirmed as a bug.
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ddl: unregister add index job after DDL done tangenta/tidb
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@jebter @tangenta