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[SPARK-1878] Incorrect initialization order in JavaStreamingContext - Spark - [issue] will be null because it is initialized before sparkContext  @deprecated("use sparkContext", "0.9.0")  val sc: JavaSparkContext = sparkContext  /** The underlying SparkConte...    Author: Shixiong Zhu , 2014-05-20, 01:27
[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....    Author: Shixiong Zhu , 2014-10-08, 02:38
[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 "&&" her...    Author: Shixiong Zhu , 2014-05-27, 02:44
[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....    Author: Shixiong Zhu , 2014-05-27, 06:26
[SPARK-1934] "this" reference escape to "selectorThread" during construction in ConnectionManager - Spark - [issue]
...`selectorThread` starts in the construction of ``, which may cause `writeRunnableStarted` and `readRunnableStarted` are uninitialized before them ar...    Author: Shixiong Zhu , 2015-01-28, 20:44
[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()....    Author: Shixiong Zhu , 2014-06-08, 21:19
[SPARK-6490] Deprecate configurations for "askWithReply" and use new configuration names - Spark - [issue]
...After we rewrite all Akka "ask" places with RpcEndpointRef.askWithReply, we should deprecate "spark.akka.num.retries", "spark.akka.retry.wait" and "spark.akka.lookupTimeout", and use "spark....    Author: Shixiong Zhu , 2015-04-21, 08:53
[SPARK-6621] Calling EventLoop.stop in EventLoop.onReceive and EventLoop.onError should call onStop - Spark - [issue]    Author: Shixiong Zhu , 2015-04-03, 05:55
[SPARK-6640] Executor may connect to HeartbeartReceiver before it's setup in the driver side - Spark - [issue]
...Here is the current code about starting LocalBackend and creating HeartbeatReceiver:  // Create and start the scheduler  private[spark] var (schedulerBackend, taskScheduler) = ...    Author: Shixiong Zhu , 2015-04-03, 18:45
[SPARK-6766] StreamingListenerBatchSubmitted isn't sent and StreamingListenerBatchStarted.batchInfo.processingStartTime is a wrong value - Spark - [issue]
...1. Now there is no place posting StreamingListenerBatchSubmitted. It should be post when JobSet is submitted.2. Call JobSet.handleJobStart before posting StreamingListenerBatchStarted will s...    Author: Shixiong Zhu , 2015-04-14, 23:01