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[expand - 1 more] - Re: Eliminate copy while sending data : any Akka experts here ? - Spark - [mail # dev]
...MapOutputTrackerMasterActor sends the `mapOutputStatuses` to a buffer atfirst. The messages in this buffer will be sent by some background threads.In these threads, they will check if there ...
   Author: Shixiong Zhu, 2014-11-24, 08:13
Re: Lots of small input files - Spark - [mail # user]
...We encountered similar problem. If all partitions are located in the samenode and all of the tasks run less than 3 seconds (set by"spark.locality.wait", the default value is 3000), the tasks...
   Author: Shixiong Zhu, 2014-11-24, 02:34
[SPARK-4397] Reorganize 'implicit's to improve the API convenience - Spark - [issue]
...As I said here, http://mail-archives.apache.org/mod_mbox/spark-dev/201411.mbox/%[EMAIL PROTECTED]%3Emany people asked how to convert a RDD to a PairRDDFunctions.If we can reorganize the `imp...
http://issues.apache.org/jira/browse/SPARK-4397    Author: Shixiong Zhu, 2014-11-21, 18:07
[SPARK-4472] Print "Spark context available as sc." only when SparkContext is created successfully - Spark - [issue]
...It's weird that printing "Spark context available as sc" when creating SparkContext unsuccessfully....
http://issues.apache.org/jira/browse/SPARK-4472    Author: Shixiong Zhu, 2014-11-21, 08:43
[SPARK-4481] Some comments for `updateStateByKey` are wrong - Spark - [issue]
...The following `updateStateByKey` overloads have wrong description for `updateFunc`  /**   * @param updateFunc State update function. If `this` function returns None, then...
http://issues.apache.org/jira/browse/SPARK-4481    Author: Shixiong Zhu, 2014-11-20, 09:16
[SPARK-4505] Reduce the memory usage of CompactBuffer[T] when T is a primitive type - Spark - [issue]
...If CompactBuffer has a ClassTag parameter, CompactBuffer can create primitive arrays for primitive types. It will reduce the memory usage for primitive types significantly and only pay minor...
http://issues.apache.org/jira/browse/SPARK-4505    Author: Shixiong Zhu, 2014-11-20, 05:58
[SPARK-4296] Throw "Expression not in GROUP BY" when using same expression in group by clause and  select clause - Spark - [issue]
...When the input data has a complex structure, using same expression in group by clause and  select clause will throw "Expression not in GROUP BY".val sqlContext = new org.apache.spark.sq...
http://issues.apache.org/jira/browse/SPARK-4296    Author: Shixiong Zhu, 2014-11-19, 19:04
[SPARK-4363] The Broadcast example is out of date - Spark - [issue]
...The Broadcast example is out of date....
http://issues.apache.org/jira/browse/SPARK-4363    Author: Shixiong Zhu, 2014-11-15, 06:28
[SPARK-4379] RDD.checkpoint throws a general Exception (should be SparkException) - Spark - [issue]
...It's better to change to SparkException. However, it's a breaking change since it will change the exception type....
http://issues.apache.org/jira/browse/SPARK-4379    Author: Shixiong Zhu, 2014-11-15, 06:26
[expand - 2 more] - Re: About implicit rddToPairRDDFunctions - Spark - [mail # dev]
...OK. I'll take it.Best Regards,Shixiong Zhu2014-11-14 12:34 GMT+08:00 Reynold Xin : ...
   Author: Shixiong Zhu, 2014-11-14, 05:23
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB