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https://issues.apache.org/jira/browse/HADOOP-3245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Chansler updated HADOOP-3245:
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Release Note: Introduced recovery of jobs when JobTracker restarts. This
facility is off by default. Introduced config parameters
mapred.jobtracker.restart.recover, mapred.jobtracker.job.history.block.size,
and mapred.jobtracker.job.history.buffer.size. (was: Adds the facility to
recover running jobs upon a jobtracker restart i.e jobs can now survive
jobtracker restarts. Job's history is used to recover the running jobs. By
default the restart mode is turned off. Here are the config parameters that
control the recovery
mapred.jobtracker.restart.recover : the recovery switch
mapred.jobtracker.job.history.block.size : block size for the job history file.
mapred.jobtracker.job.history.buffer.size : buffer size for the job history
file)
Hadoop Flags: [Incompatible change, Reviewed] (was: [Reviewed,
Incompatible change])
> Provide ability to persist running jobs (extend HADOOP-1876)
> ------------------------------------------------------------
>
> Key: HADOOP-3245
> URL: https://issues.apache.org/jira/browse/HADOOP-3245
> Project: Hadoop Core
> Issue Type: New Feature
> Components: mapred
> Reporter: Devaraj Das
> Assignee: Amar Kamat
> Fix For: 0.19.0
>
> Attachments: HADOOP-3245-v2.5.patch, HADOOP-3245-v2.6.5.patch,
> HADOOP-3245-v2.6.9.patch, HADOOP-3245-v4.1.patch, HADOOP-3245-v5.13.patch,
> HADOOP-3245-v5.14.patch, HADOOP-3245-v5.26.patch,
> HADOOP-3245-v5.30-nolog.patch, HADOOP-3245-v5.31.3-nolog.patch,
> HADOOP-3245-v5.33.1.patch, HADOOP-3245-v5.35.3-no-log.patch,
> HADOOP-3245-v5.36-no-log.patch, HADOOP-3245-v5.36.1-no-log.patch,
> HADOOP-3245-v5.36.2-no-log.patch, HADOOP-3245-v5.36.3-no-log.patch,
> HADOOP-3245-v5.36.3-no-log.patch
>
>
> This could probably extend the work done in HADOOP-1876. This feature can be
> applied for things like jobs being able to survive jobtracker restarts.
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