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Drop store cache and region cache when handling StoreNotMatch region error #21584

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disksing opened this issue Dec 9, 2020 · 2 comments
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Drop store cache and region cache when handling StoreNotMatch region error #21584

disksing opened this issue Dec 9, 2020 · 2 comments
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@youjiali1995
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component/tikv duplicate Issues or pull requests already exists. severity/major type/bug The issue is confirmed as a bug.

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@disksing
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disksing commented Dec 9, 2020

Bug Report

1. Minimal reproduce step (Required)

  1. Start a cluster. Prepare some data.
  2. Run some query to fill TiDB's region cache.
  3. Delete a TiKV (Offline -> Tombstone)
  4. Add the TiKV node (same address, same port) to another cluster.
  5. Send some query to the old TiDB server again.

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

  • TiDB will get 'StoreNotMatch' from TiKV server.
  • TiDB drops StoreInfo and RegionInfo that are out of date.
  • TiDB reloads metas from PD.
  • The 'StoreNotMatch' errors disappear.

3. What did you see instead (Required)

  • TiDB gets 'StoreNotMatch` error.
  • TiDB keeps reporting 'StoreNotMatch' error.

4. What is your TiDB version? (Required)

v3.0.5
@disksing disksing added the type/bug The issue is confirmed as a bug. label Dec 9, 2020
@disksing disksing mentioned this issue Dec 9, 2020
Open
@ichn-hu ichn-hu mentioned this issue Dec 11, 2020
Closed
@XuHuaiyu XuHuaiyu added component/tikv and removed sig/execution SIG execution labels Dec 14, 2020
@youjiali1995 youjiali1995 self-assigned this Jan 22, 2021
@youjiali1995
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#11567 should fix it. When meets StoreNotMatch and the old store is a tombstone, TiDB will invalidate the store and all regions on it.

@ti-srebot
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ti-srebot commented Jan 26, 2021 •
edited by youjiali1995
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Please edit this comment or add a new comment to complete the following information

Duplicate bug

Already fixed by #11567

@youjiali1995 youjiali1995 added the duplicate Issues or pull requests already exists. label Jan 26, 2021
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@youjiali1995 youjiali1995

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@lilinghai @XuHuaiyu @disksing @youjiali1995 @ti-srebot