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+---
+layout: post
+title: Spark Release 0.9.2
+categories: []
+tags: []
+status: publish
+type: post
+published: true
+meta:
+  _edit_last: '4'
+  _wpas_done_all: '1'
+---
+
+Spark 0.9.2 is a maintenance release with bug fixes. This release is based on the [branch-0.9](https://github.com/apache/spark/tree/branch-0.9) maintenance branch of Spark. We recommend all 0.9.x users to upgrade to this stable release. Contributions to this release came from 28 developers.
+
+You can download Spark 0.9.2 as either a 
+<a href="http://d3kbcqa49mib13.cloudfront.net/spark-0.9.2.tgz" onClick="trackOutboundLink(this, 'Release Download Links', 'cloudfront_spark-0.9.2.tgz'); return false;">source package</a>
+(6 MB tgz) or a prebuilt package for 
+<a href="http://d3kbcqa49mib13.cloudfront.net/spark-0.9.2-bin-hadoop1.tgz" onClick="trackOutboundLink(this, 'Release Download Links', 'cloudfront_spark-0.9.2-bin-hadoop1.tgz'); return false;">Hadoop 1 / CDH3</a> (156 MB tgz), 
+<a href="http://d3kbcqa49mib13.cloudfront.net/spark-0.9.2-bin-cdh4.tgz" onClick="trackOutboundLink(this, 'Release Download Links', 'cloudfront_spark-0.9.2-bin-cdh4.tgz'); return false;">CDH4</a> (161 MB tgz), or
+<a href="http://d3kbcqa49mib13.cloudfront.net/spark-0.9.2-bin-hadoop2.tgz" onClick="trackOutboundLink(this, 'Release Download Links', 'cloudfront_spark-0.9.2-bin-hadoop2.tgz'); return false;">Hadoop 2 / CDH5 / HDP2</a>
+(168 MB tgz). Release signatures and checksums are available at the official [Apache download site](http://www.apache.org/dist/spark/spark-0.9.2/).
+
+### Fixes
+Spark 0.9.2 contains bug fixes in several components. Some of the more important fixes are highlighted below. You can visit the [Spark issue tracker](http://s.apache.org/d0t) for the full list of fixes.
+
+#### Spark Core
+ - ExternalAppendOnlyMap doesn't always find matching keys. ([SPARK-2043](https://issues.apache.org/jira/browse/SPARK-2043))
+ - Jobs hang due to akka frame size settings. ([SPARK-1112](https://issues.apache.org/jira/browse/SPARK-1112), [SPARK-2156](https://issues.apache.org/jira/browse/SPARK-2156))
+ - HDFS FileSystems continually pile up in the FS cache. ([SPARK-1676](https://issues.apache.org/jira/browse/SPARK-1676))
+ - Unneeded lock in ShuffleMapTask.deserializeInfo. ([SPARK-1775](https://issues.apache.org/jira/browse/SPARK-1775))
+ - Secondary jars are not added to executor classpath for YARN. ([SPARK-1870](https://issues.apache.org/jira/browse/SPARK-1870))
+
+#### PySpark
+ - IPython won't run standalone Python script. ([SPARK-1134](https://issues.apache.org/jira/browse/SPARK-1134))
+ - The hash method used by partitionBy doesn't deal with None correctly. ([SPARK-1468](https://issues.apache.org/jira/browse/SPARK-1468))
+ - PySpark crashes if too many tasks complete quickly. ([SPARK-2282](https://issues.apache.org/jira/browse/SPARK-2282))
+  
+#### MLlib
+ - Make MLlib work on Python 2.6. ([SPARK-1421](https://issues.apache.org/jira/browse/SPARK-1421))
+ - Fix PySpark's Naive Bayes implementation. ([SPARK-2433](https://issues.apache.org/jira/browse/SPARK-2433))
+ 
+#### Streaming
+ - SparkFlumeEvent with body bigger than 1020 bytes are not read properly. ([SPARK-1916](https://issues.apache.org/jira/browse/SPARK-1916))
+ 
+#### GraphX
+ - GraphX triplets not working properly. ([SPARK-1188](https://issues.apache.org/jira/browse/SPARK-1188))
+
+### Contributors
+The following developers contributed to this release:
+
+* Aaron Davidson - bug fix and optimization
+* Anant Daksh Asthana - improvement
+* Daniel Darabos - bug fix
+* David Lemieux - bug fix
+* Davis Shepherd - bug fix
+* DB Tsai - bug fix
+* Diana Carroll - bug fix
+* Erik Selin - bug fix
+* Gabriele Nizzoli - bug fix
+* Guoqiang Li - bug fix
+* John Zhao - improvement
+* Mark Hamstra - bug fix
+* Matei Zaharia - bug fix and improvement
+* Nan Zhu - bug fix
+* Nick Lanham - bug fix
+* Ori Kremer - bug fix
+* Patrick Wendell - bug fixes
+* Prashant Sharma - new feature
+* Sam Sun - bug fix
+* Sandeep Singh - bug fix
+* Shuo Bai - improvement
+* Sujeet Varakhedi - improvement
+* Tathagata Das - bug fixes and documentation fix
+* Thomas Graves - bug fixes
+* Uri Laserson - bug fix
+* Wenchen Fan - bug fix
+* Xiangrui Meng - bug fixes and release manager
+* Yin Huai - bug fix
+
+_Thanks to everyone who contributed!_