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Posted to issues@hbase.apache.org by "Voyta (JIRA)" <ji...@apache.org> on 2018/04/17 10:17:00 UTC

[jira] [Created] (HBASE-20433) HBase Export Snapshot utility does not close FileSystem instances

Voyta created HBASE-20433:
-----------------------------

             Summary: HBase Export Snapshot utility does not close FileSystem instances
                 Key: HBASE-20433
                 URL: https://issues.apache.org/jira/browse/HBASE-20433
             Project: HBase
          Issue Type: Bug
          Components: Client, fs, snapshots
    Affects Versions: 1.4.3, 1.2.6
            Reporter: Voyta


It seems org.apache.hadoop.hbase.snapshot.ExportSnapshot disallows FileSystem instance caching.

When verifySnapshot method is being run it calls often methods like org.apache.hadoop.hbase.util.FSUtils#getRootDir that instantiate FileSystem but never calls org.apache.hadoop.fs.FileSystem#close method. This behaviour allows allocation of unwanted objects potentially causing memory leaks.

Related issue: https://issues.apache.org/jira/browse/HADOOP-15392

 

Expectation:
 * HBase should properly release/close all objects, especially FileSystem instances.



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