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https://issues.apache.org/jira/browse/TEZ-4133?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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qiangwang updated TEZ-4133:
---------------------------
Attachment: TEZ-4133-2.patch
> key class implements writableComparable and configurable use default
> configuration
> ----------------------------------------------------------------------------------
>
> Key: TEZ-4133
> URL: https://issues.apache.org/jira/browse/TEZ-4133
> Project: Apache Tez
> Issue Type: Bug
> Reporter: wang qiang
> Assignee: wang qiang
> Priority: Major
> Attachments: TEZ-4133-1.patch, TEZ-4133-2.patch
>
>
> key class implments writableComparable and configurable ,setConf be invoked
> with a default configuration,it should like
> mapreduce(org.apache.hadoop.mapred.JobConf#getOutputKeyComparator)
> {code:java}
> //org.apache.tez.runtime.library.common.ConfigUtils#getIntermediateOutputKeyComparator
> public static <K> RawComparator<K>
> getIntermediateOutputKeyComparator(Configuration conf) {
> Class<? extends RawComparator> theClass = conf.getClass(
> TezRuntimeConfiguration.TEZ_RUNTIME_KEY_COMPARATOR_CLASS, null,
> RawComparator.class);
> if (theClass != null)
> return ReflectionUtils.newInstance(theClass, conf);
> // aybe change to
> // return
> WritableComparator.get(getIntermediateOutputKeyClass(conf).asSubclass(
> //WritableComparable.class),conf);
> return
> WritableComparator.get(getIntermediateOutputKeyClass(conf).asSubclass(
> WritableComparable.class));
> }
> public static <K> RawComparator<K>
> getIntermediateInputKeyComparator(Configuration conf) {
> Class<? extends RawComparator> theClass = conf.getClass(
> TezRuntimeConfiguration.TEZ_RUNTIME_KEY_COMPARATOR_CLASS, null,
> RawComparator.class);
> if (theClass != null)
> return ReflectionUtils.newInstance(theClass, conf);
> // maybe change to
> // return
> WritableComparator.get(getIntermediateInputKeyClass(conf).asSubclass(
> //WritableComparable.class),conf);
> return WritableComparator.get(getIntermediateInputKeyClass(conf).asSubclass(
> WritableComparable.class));
> }
> {code}
>
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