Details
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New Feature
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Status: Resolved
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Major
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Resolution: Fixed
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0.2.0
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None
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Redhat EL 5.1, Java 6
Description
Hadoop uses a customized version of log4j appender (org.apache.hadoop.mapred.TaskLogAppender) for tasks. Shuffling information is written to userlogs/syslog by TaskLogAppender. For chukwa to collect shuffling information, we need to write a new TaskLogAppender to do this.