DistributedCache has also had timestamp checks in MR1 for quite a while now: https://github.com/apache/hadoop-common/blob/release-0.20.2/src/core/org/apache/hadoop/filecache/DistributedCache.java#L481 (See also the doc at https://github.com/apache/hadoop-common/blob/release-0.20.2/src/core/org/apache/hadoop/filecache/DistributedCache.java#L56).
On Wed, Feb 12, 2014 at 12:10 AM, Jay Vyas <[email protected]> wrote: > Im noticing that resource localization is much more complex in YARN than > MR1, in particular, the timestamps need to be identical, or else, an > exception is thrown. > > i never saw that in MR1. > > How did MR1 JobTrackers handle resource localization differently than MR2 > App Masters? > > -- > Jay Vyas > http://jayunit100.blogspot.com -- Harsh J
