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https://issues.apache.org/jira/browse/HADOOP-4434?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Yang reassigned HADOOP-4434:
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Assignee: Eric Yang
> Improve log rotation and reduce communication between agent and logging
> process, make agent more fault tolerant
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-4434
> URL: https://issues.apache.org/jira/browse/HADOOP-4434
> Project: Hadoop Core
> Issue Type: Improvement
> Environment: Redhat Enterprise Linux 4.5, Java 6
> Reporter: Eric Yang
> Assignee: Eric Yang
> Original Estimate: 96h
> Remaining Estimate: 96h
>
> - Chukwa Agent does not handle rotated log correctly. The current design
> requires the logging process to pause the agent, rotate the log, then resume
> the log streaming. The three communication between the running process and
> chukwa agent could become a problem when either or one of the process is
> down. The implementation should be able to detect log rotation in the chukwa
> agent.
> - Chukwa Agent should detect and prevent the same log being streamed more
> than once.
> - Chukwa Agent should synchronize data streaming addition when picking up the
> check point file.
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