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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2013/04/27 00:08:16 UTC

[jira] [Created] (HBASE-8449) Refactor recoverLease retries and pauses informed by findings over in hbase-8354

stack created HBASE-8449:
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             Summary: Refactor recoverLease retries and pauses informed by findings over in hbase-8354
                 Key: HBASE-8449
                 URL: https://issues.apache.org/jira/browse/HBASE-8449
             Project: HBase
          Issue Type: Bug
          Components: Filesystem Integration
    Affects Versions: 0.95.0, 0.94.7
            Reporter: stack
            Priority: Critical
             Fix For: 0.95.1


HBASE-8354 is an interesting issue that roams near and far.  This issue is about making use of the findings handily summarized on the end of hbase-8354 which have it that trunk needs refactor around how it does its recoverLease handling (and that the patch committed against HBASE-8354 is not what we want going forward).

This issue is about making a patch that adds a lag between recoverLease invocations where the lag is related to dfs timeouts -- the hdfs-side dfs timeout -- and optionally makes use of the isFileClosed API if it is available (a facility that is not yet committed to a branch near you and unlikely to be within your locality with a good while to come).

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