oceanbase / oceanbase/seekdb

Query timeout on forked target table in standby deployed via fork from primary

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dima type: bug
Dominant language
C++
Stars
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Forks
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Avg merge
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Merged PRs (30d)
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Description

Environment

  • Server Version: 5.7.25 OceanBase 4.3.5.3 seekdb (r1.2.0.0) (Built 1-37c93382e5a0d3943dead9...)

Description

When a standby database is deployed via a fork operation from the primary, queries on the target table that was obtained through the fork operation experience timeouts on the standby instance.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No source files, tests, reproduction steps, or entry points are identified in the issue. Start by reproducing a query against the forked target table on a standby deployed from the primary, then compare its behavior with the primary and a non-forked standby. Done means the target-table query completes without timing out on the forked standby.

Written by the indexing model from the issue text.

Assessment

Tech stack
sql
Domain
databases, distributed-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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