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[expand - 1 more] - Re: How to save mllib model to hdfs and reload it - Spark - [mail # user]
...I think in the following caseclass Foo { def foo() = Array(1.0) }val t = new Fooval m = t.fooval r1 = sc.parallelize(List(1, 2, 3))val r2 = r1.map(_ + m(0))r2.toArraySpark should not seriali...
   Author: Shixiong Zhu, 2014-08-14, 15:37
[SPARK-1612] Potential resource leaks in Utils.copyStream and Utils.offsetBytes - Spark - [issue]
...Should move the "close" statements into a "finally" block....
http://issues.apache.org/jira/browse/SPARK-1612    Author: Shixiong Zhu, 2014-08-01, 21:25
[SPARK-2634] MapOutputTrackerWorker.mapStatuses should be thread-safe - Spark - [issue]
...MapOutputTrackerWorker.mapStatuses will be used concurrently, so it should be a thread-safe Map....
http://issues.apache.org/jira/browse/SPARK-2634    Author: Shixiong Zhu, 2014-07-23, 04:25
Re: How to store JavaRDD as a sequence file using spark java API? - Spark - [mail # user]
...You can use "JavaPairRDD.saveAsHadoopFile/saveAsNewAPIHadoopFile".Best Regards,Shixiong Zhu2014-06-20 14:22 GMT+08:00 abhiguruvayya : ...
   Author: Shixiong Zhu, 2014-06-20, 06:35
[SPARK-1628] Missing hashCode methods in Partitioner subclasses - Spark - [issue]
...`hashCode` is not override in HashPartitioner, RangePartitioner, PythonPartitioner and PageRankUtils.CustomPartitioner. Should override hashcode() if overriding equals()....
http://issues.apache.org/jira/browse/SPARK-1628    Author: Shixiong Zhu, 2014-06-08, 22:19
[SPARK-1932] Race conditions in BlockManager.cachedPeers and ConnectionManager.onReceiveCallback - Spark - [issue]
...BlockManager.cachedPeers and  ConnectionManager.onReceiveCallback are read and written in different threads without proper protection....
http://issues.apache.org/jira/browse/SPARK-1932    Author: Shixiong Zhu, 2014-05-27, 07:26
[SPARK-1934] "this" reference escape to "selectorThread" during construction in ConnectionManager - Spark - [issue]
...`selectorThread` starts in the construction of `org.apache.spark.network.ConnectionManager`, which may cause `writeRunnableStarted` and `readRunnableStarted` are uninitialized before them ar...
http://issues.apache.org/jira/browse/SPARK-1934    Author: Shixiong Zhu, 2014-05-27, 04:20
[SPARK-1925] Typo in org.apache.spark.mllib.tree.DecisionTree.isSampleValid - Spark - [issue]
...I believe this is a typo:      if ((level > 0) & (parentFilters.length == 0)) {        return false      }Should use "...
http://issues.apache.org/jira/browse/SPARK-1925    Author: Shixiong Zhu, 2014-05-27, 03:44
[SPARK-1878] Incorrect initialization order in JavaStreamingContext - Spark - [issue]
...sc will be null because it is initialized before sparkContext  @deprecated("use sparkContext", "0.9.0")  val sc: JavaSparkContext = sparkContext  /** The underl...
http://issues.apache.org/jira/browse/SPARK-1878    Author: Shixiong Zhu, 2014-05-20, 02:27
[SPARK-1656] Potential resource leak in HttpBroadcast, SparkSubmitArguments, FileSystemPersistenceEngine and DiskStore - Spark - [issue]
...Again... I'm trying to review all `close` statements to find such issues....
http://issues.apache.org/jira/browse/SPARK-1656    Author: Shixiong Zhu, 2014-04-28, 05:07
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