[YARN-9958] Remove the invalid lock in ContainerExecutor - ASF JIRA

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Type: Improvement
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 3.3.0
Component/s: None
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Description

ContainerExecutor has ReadLock and WriteLock. These used to call get/put method of ConcurrentMap. Due to the ConcurrentMap providing thread safety and atomicity guarantees, so we can remove the lock.

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GitHub Pull Request #1704

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Assignee:: Wanqiang Ji

Reporter:: Wanqiang Ji

Votes:: 0 Vote for this issue

Watchers:: 5 Start watching this issue

Dates

Created:: 07/Nov/19 11:02

Updated:: 04/Dec/19 05:56

Resolved:: 04/Dec/19 05:46