Voyta created HBASE-20433:
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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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