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From "Akira Ajisaka (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6794) Remove unused properties from TTConfig.java
Date Mon, 17 Oct 2016 05:30:59 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15581270#comment-15581270
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Akira Ajisaka commented on MAPREDUCE-6794:
------------------------------------------

This patch removes the following unused properties:
* mapreduce.tasktracker.healthchecker.interval
* mapreduce.tasktracker.healthchecker.script.args
* mapreduce.tasktracker.healthchecker.script.path
* mapreduce.tasktracker.healthchecker.script.timeout
* mapreduce.tasktracker.local.dir.minspacekill
* mapreduce.tasktracker.local.dir.minspacestart
* mapreduce.tasktracker.http.address
* mapreduce.tasktracker.report.address
* mapreduce.tasktracker.taskcontroller
* mapreduce.tasktracker.contention.tracking
* mapreduce.tasktracker.net.static.resolutions
* mapreduce.tasktracker.http.threads
* mapreduce.tasktracker.host.name
* mapreduce.tasktracker.tasks.sleeptimebeforesigkill
* mapreduce.tasktracker.dns.interface
* mapreduce.tasktracker.dns.nameserver
* mapreduce.tasktracker.events.batchsize
* mapreduce.tasktracker.instrumentation
* mapreduce.tasktracker.memorycalculatorplugin
* mapreduce.tasktracker.reduce.tasks.maximum
* mapreduce.tasktracker.cache.local.size
* mapreduce.tasktracker.cache.local.numberdirectories
* mapreduce.tasktracker.outofband.heartbeat
* mapreduce.tasktracker.reserved.physicalmemory.mb
* mapreduce.tasktracker.kerberos.principal
* mapreduce.tasktracker.keytab.file
* mapreduce.tasktracker.group
* mapreduce.tasktracker.userlogcleanup.sleeptime
* mapreduce.tasktracker.distributedcache.checkperiod
* mapreduce.tasktracker.cache.local.keep.pct

There is a reference to mapreduce.tasktracker.reduce.tasks.maximum in the javadoc of JobConf.java.
Filed MAPREDUCE-6795 to update this.

> Remove unused properties from TTConfig.java
> -------------------------------------------
>
>                 Key: MAPREDUCE-6794
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6794
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Akira Ajisaka
>            Assignee: Akira Ajisaka
>         Attachments: MAPREDUCE-6794.01.patch
>
>
> There are many unused properties in TTConfig.java. Let's remove them.



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