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BR incremental restore failed when tiflash server count is less than tiflash replica count #33661

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pcqz opened this issue Apr 1, 2022 · 2 comments
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component/br This issue is related to BR of TiDB. severity/moderate type/bug The issue is confirmed as a bug.

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@pcqz
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pcqz commented Apr 1, 2022

Please answer these questions before submitting your issue. Thanks!

  1. What did you do?
    i. increment backup on a cluster which has three tiflash replicas.
    ii. incremental restore to another cluster which has only one tiflash server.

  2. What did you expect to see?
    incremental restore succeed.

  3. What did you see instead?
    ["br failed"] [error="the tiflash replica count: 3 should be less than the total tiflash server count: 1"]

  4. What version of BR and TiDB/TiKV/PD are you using?
    v5.4.0

  1. Operation logs
    origin_img_v2_ff0b51a5-5335-483e-9570-c3c4b862f77g

  2. Configuration of the cluster and the task

    • tidb-lightning.toml for TiDB-Lightning if possible
    • tikv-importer.toml for TiKV-Importer if possible
    • topology.yml if deployed by TiUP
  3. Screenshot/exported-PDF of Grafana dashboard or metrics' graph in Prometheus if possible

@pcqz pcqz added the type/bug The issue is confirmed as a bug. label Apr 1, 2022
@glorv glorv transferred this issue from pingcap/br Apr 2, 2022
@ChenPeng2013 ChenPeng2013 added the component/br This issue is related to BR of TiDB. label Apr 2, 2022
@WangLe1321
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/assign WangLe1321

@3pointer 3pointer removed their assignment Apr 2, 2022
@WangLe1321
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We have fixed this bug in #33384 . Now, DDL jobs about TiFlash are skipped.

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Labels
component/br This issue is related to BR of TiDB. severity/moderate type/bug The issue is confirmed as a bug.
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