oceanbase / oceanbase/seekdb

mysqltest hangs on second run of array_func2_mysql_sqlqa test suite with high seekdb CPU

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dima
Dominant language
C++
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Description

Environment

(Required) Please provide the output of bin/observer -V.

Description / Steps to Reproduce

(Required) The array_func2_mysql_sqlqa test suite hangs on its second run, with the seekdb process maintaining high CPU usage.

Note: The mapping relationship for the "Target Branch" and "Iteration" attributes is on the right side.

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

Start by running the array_func2_mysql_sqlqa test suite twice and observe whether the seekdb process remains at high CPU on the second run. Check the bin/observer -V output as requested by the issue template; done means the second run completes without hanging or leaving seekdb at high CPU.

Written by the indexing model from the issue text.

Assessment

Tech stack
mysql
Domain
databases, performance, testing-qa
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
48/100

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