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Posted to hdfs-dev@hadoop.apache.org by "Kihwal Lee (JIRA)" <ji...@apache.org> on 2012/11/15 00:46:12 UTC

[jira] [Created] (HDFS-4191) Track new transactions per thread so that unnecessary logSync() calls can be avoided

Kihwal Lee created HDFS-4191:
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             Summary: Track new transactions per thread so that unnecessary logSync() calls can be avoided
                 Key: HDFS-4191
                 URL: https://issues.apache.org/jira/browse/HDFS-4191
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
    Affects Versions: 3.0.0
            Reporter: Kihwal Lee
            Assignee: Kihwal Lee


With this fix, logSync() can be called anytime by a thread without affecting the batched syncs metrics. As discussed in HDFS-4186, we will put this feature only to trunk first and let it soak for some time. 

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