batch_system: use lru cache (#8343) #8355
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Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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/run-all-tests |
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@BusyJay please accept the invitation then you can push to the cherry-pick pull requests. |
Signed-off-by: Jay Lee <BusyJayLee@gmail.com>
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Jul 28, 2020
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@ti-srebot merge failed. |
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/run-integration-common-test |
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cherry-pick #8343 to release-3.0
What problem does this PR solve?
Issue Number: close #8315
Problem Summary:
When a mailbox is closed, it maybe kept in cache and never be dropped.
This PR uses lru cache to limit the impact and prevent memory from
growing infinitely.
Related changes
pingcap/docs/pingcap/docs-cn:pingcap/tidb-ansible:Check List
Tests
Release note