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From "Ray Chiang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-2927) YARN InMemorySCMStore properties need fixing
Date Fri, 05 Dec 2014 22:08:13 GMT
Ray Chiang created YARN-2927:
--------------------------------

             Summary: YARN InMemorySCMStore properties need fixing
                 Key: YARN-2927
                 URL: https://issues.apache.org/jira/browse/YARN-2927
             Project: Hadoop YARN
          Issue Type: Bug
    Affects Versions: 2.6.0
            Reporter: Ray Chiang
            Assignee: Ray Chiang


I see these properties in the yarn-default.xml file:

  yarn.sharedcache.store.in-memory.check-period-mins
  yarn.sharedcache.store.in-memory.initial-delay-mins
  yarn.sharedcache.store.in-memory.staleness-period-mins

YarnConfiguration looks like it's missing some properties:

  public static final String SHARED_CACHE_PREFIX = "yarn.sharedcache.";
  public static final String SCM_STORE_PREFIX = SHARED_CACHE_PREFIX + "store.";
  public static final String IN_MEMORY_STORE_PREFIX = SHARED_CACHE_PREFIX + "in-memory.";
  public static final String IN_MEMORY_STALENESS_PERIOD_MINS = IN_MEMORY_STORE_PREFIX + "staleness-period-mins";

It looks like the definition for IN_MEMORY_STORE_PREFIX should be:

  public static final String IN_MEMORY_STORE_PREFIX = SCM_STORE_PREFIX + "in-memory.";

Just to be clear, there are properties that exist in yarn-default.xml that are effectively
misspelled in the *Java* file, not the .xml file.  This is similar to YARN-2461 and MAPREDUCE-6087.



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