[jira] [Created] (HBASE-25050) We initialize Filesystems more than once.

["ramkrishna.s.vasudevan (Jira)" <ji...@apache.org>]

ramkrishna.s.vasudevan created HBASE-25050:
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             Summary: We initialize Filesystems more than once.
                 Key: HBASE-25050
                 URL: https://issues.apache.org/jira/browse/HBASE-25050
             Project: HBase
          Issue Type: Bug
    Affects Versions: 2.2.6, 2.3.1, 3.0.0-alpha-1, 2.4.0
            Reporter: ramkrishna.s.vasudevan
            Assignee: ramkrishna.s.vasudevan


In HFileSystem
{code}
    // Create the default filesystem with checksum verification switched on.
    // By default, any operation to this FilterFileSystem occurs on
    // the underlying filesystem that has checksums switched on.
    this.fs = FileSystem.get(conf);
    this.useHBaseChecksum = useHBaseChecksum;

    fs.initialize(getDefaultUri(conf), conf);
{code}
We call fs.initialize(). Generally the FS would have been created and inited either in the FileSystem.get() call above or even when we try to check 
{code}
  FileSystem fs = p.getFileSystem(c);
{code}
The FS that gets cached in the hadoop-common layer does the init for us. So we doing it again is redundant. 



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