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From Hector Yee <hector....@gmail.com>
Subject Re: [ANNOUNCE] Spark 1.2.0 Release Preview Posted
Date Thu, 20 Nov 2014 18:24:55 GMT
I'm getting a lot of task lost with this build in a large mesos cluster.
Happens with both hash and sort shuffles.

14/11/20 18:08:38 WARN TaskSetManager: Lost task 9.1 in stage 1.0 (TID 897,
i-d4d6553a.inst.aws.airbnb.com): FetchFailed(null, shuffleId=1, mapId=-1,
reduceId=9, message=
org.apache.spark.shuffle.MetadataFetchFailedException: Missing an output
location for shuffle 1
        at
org.apache.spark.MapOutputTracker$$anonfun$org$apache$spark$MapOutputTracker$$convertMapStatuses$1.apply(MapOutputTracker.scala:386)
        at
org.apache.spark.MapOutputTracker$$anonfun$org$apache$spark$MapOutputTracker$$convertMapStatuses$1.apply(MapOutputTracker.scala:383)
        at
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
        at
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
        at
scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
        at
scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:108)
        at
scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
        at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:108)
        at
org.apache.spark.MapOutputTracker$.org$apache$spark$MapOutputTracker$$convertMapStatuses(MapOutputTracker.scala:382)
        at
org.apache.spark.MapOutputTracker.getServerStatuses(MapOutputTracker.scala:178)
        at
org.apache.spark.shuffle.hash.BlockStoreShuffleFetcher$.fetch(BlockStoreShuffleFetcher.scala:42)
        at
org.apache.spark.shuffle.hash.HashShuffleReader.read(HashShuffleReader.scala:40)
        at org.apache.spark.rdd.ShuffledRDD.compute(ShuffledRDD.scala:92)
        at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:263)
        at org.apache.spark.rdd.RDD.iterator(RDD.scala:230)


On Thu, Nov 20, 2014 at 7:42 AM, Nan Zhu <zhunanmcgill@gmail.com> wrote:

> BTW, this PR https://github.com/apache/spark/pull/2524 is related to a
> blocker level bug,
>
> and this is actually close to be merged (have been reviewed for several
> rounds)
>
> I would appreciated if anyone can continue the process,
>
> @mateiz
>
> --
> Nan Zhu
> http://codingcat.me
>
>
> On Thursday, November 20, 2014 at 10:17 AM, Corey Nolet wrote:
>
> > I was actually about to post this myself- I have a complex join that
> could
> > benefit from something like a GroupComparator vs having to do multiple
> > grouyBy operations. This is probably the wrong thread for a full
> discussion
> > on this but I didn't see a JIRA ticket for this or anything similar- any
> > reasons why this would not make sense given Spark's design?
> >
> > On Thu, Nov 20, 2014 at 9:39 AM, Madhu <madhu@madhu.com (mailto:
> madhu@madhu.com)> wrote:
> >
> > > Thanks Patrick.
> > >
> > > I've been testing some 1.2 features, looks good so far.
> > > I have some example code that I think will be helpful for certain
> MR-style
> > > use cases (secondary sort).
> > > Can I still add that to the 1.2 documentation, or is that frozen at
> this
> > > point?
> > >
> > >
> > >
> > > -----
> > > --
> > > Madhu
> > > https://www.linkedin.com/in/msiddalingaiah
> > > --
> > > View this message in context:
> > >
> http://apache-spark-developers-list.1001551.n3.nabble.com/ANNOUNCE-Spark-1-2-0-Release-Preview-Posted-tp9400p9449.html
> > > Sent from the Apache Spark Developers List mailing list archive at
> > > Nabble.com (http://Nabble.com).
> > >
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> >
> >
> >
> >
>
>
>


-- 
Yee Yang Li Hector <http://google.com/+HectorYee>
*google.com/+HectorYee <http://google.com/+HectorYee>*

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