Yechao Chen created HIVE-14727:
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Summary: llap-server may case file descriptor leak in
BuddyAllocator class
Key: HIVE-14727
URL: https://issues.apache.org/jira/browse/HIVE-14727
Project: Hive
Issue Type: Bug
Components: llap
Affects Versions: 2.2.0
Reporter: Yechao Chen
Assignee: Yechao Chen
llap-server,the method preallocate(int) of BuddyAllocator may case file
descriptor leak when FileChannel map allocate memory error.
the code:
//here if failed
ByteBuffer rwbuf = rwf.getChannel().map(MapMode.READ_WRITE, 0,
arenaSize);
// A mapping, once established, is not dependent upon the file channel
that was used to
// create it. delete file and hold onto the map
//can not close() and delete file
rwf.close();
rf.delete();
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