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execution: go routine leak when executing explain analyze #14125

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fzhedu opened this issue Dec 18, 2019 · 0 comments · Fixed by #14127

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priority/release-blocker sig/execution type/bug

Contributor

fzhedu commented Dec 18, 2019

Bug Report

Please answer these questions before submitting your issue. Thanks!

What did you do?
If possible, provide a recipe for reproducing the error.
step 1: load tpch sf=1 data;
step 2: explain analyze select l_partkey*200 from lineitem ;
step 3: kill tidb id

http://127.0.0.1:10080/debug/pprof/goroutine?debug=2
shows some active goroutine of projection

note: select l_partkey*200 from lineitem; runs correctly.

What did you expect to see?
no leak
What did you see instead?
leak
What version of TiDB are you using (tidb-server -V or run select tidb_version(); on TiDB)?
+------------------------------------------------+
| version() |
+------------------------------------------------+
| 5.7.25-TiDB-v4.0.0-alpha-1178-g5940bb2ce-dirty |
+------------------------------------------------+

The text was updated successfully, but these errors were encountered:

fzhedu added type/bug sig/execution labels

fzhedu mentioned this issue

executor: avoid ProjectoinExec's goroutine leak #14127

Merged

SunRunAway added the priority/release-blocker label

sre-bot closed this as completed in #14127

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