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Posted to hdfs-dev@hadoop.apache.org by "Erik Steffl (JIRA)" <ji...@apache.org> on 2010/07/27 01:07:16 UTC

[jira] Created: (HDFS-1320) Add LOG.isDebugEnabled() guard for each LOG.debug("...")

Add LOG.isDebugEnabled() guard for each LOG.debug("...")
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                 Key: HDFS-1320
                 URL: https://issues.apache.org/jira/browse/HDFS-1320
             Project: Hadoop HDFS
          Issue Type: Improvement
    Affects Versions: 0.22.0
            Reporter: Erik Steffl
             Fix For: 0.22.0


Each LOG.debug("...") should be executed only if LOG.isDebugEnabled() is true, in some cases it's expensive to construct the string that is being printed to log. It's much easier to always use LOG.isDebugEnabled() because it's easier to check (rather than in each case reason wheather it's neccessary or not).

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