Xiaolin Ha created HBASE-28047:
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Summary: Deadlock when opening mob files
Key: HBASE-28047
URL: https://issues.apache.org/jira/browse/HBASE-28047
Project: HBase
Issue Type: Bug
Components: mob
Affects Versions: 2.5.5, 3.0.0-alpha-4
Reporter: Xiaolin Ha
Attachments: mobdeadlock.js
The hashcode of mob file name is used in MobFileCache to lock the cached mob
files, but hashcode may be repeated and the IdLock is not reentrant. Then when
opening a not cached file with evicting the opened by LRU, the repeated
hashcode files will bring deadlock.
[^mobdeadlock.js]
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