Apache Storm 0.9.6/0.10.0 发布

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　　Apache Storm 0.10.0 发布，此版本是个稳定版本，相比之前的 Beta 版本主要包括 bug 修复和改进：

• 　　STORM-1108: Fix NPE in simulated time
  
• 　　STORM-1106: Netty should not limit attempts to reconnect
  
• 　　STORM-1099: Fix worker childopts as arraylist of strings
  
• 　　STORM-1096: Fix some issues with impersonation on the UI
  
• 　　STORM-912: Support SSL on Logviewer
  
• 　　STORM-1094: advance kafka offset when deserializer yields no object
  
• 　　STORM-1066: Specify current directory when supervisor launches a worker
  
• 　　STORM-1012: Shaded everything that was not already shaded
  
• 　　STORM-967: Shaded everything that was not already shaded
  
• 　　STORM-922: Shaded everything that was not already shaded
  
• 　　STORM-1042: Shaded everything that was not already shaded
  
• 
  　　STORM-1026: Adding external>
  
• 　　STORM-1055: storm-jdbc README needs fixes and context
  
• 　　STORM-1044: Setting dop to zero does not raise an error
  
• 　　STORM-1050: Topologies with same name run on one cluster
  
• 　　STORM-1005: Supervisor do not get running workers after restart.
  
• 　　STORM-803: Cleanup travis-ci build and logs
  
• 　　STORM-1027: Use overflow buffer for emitting metrics
  
• 　　STORM-1024: log4j changes leaving ${sys:storm.log.dir} under STORM_HOME dir
  
• 　　STORM-944: storm-hive pom.xml has a dependency conflict with calcite
  
• 　　STORM-994: Connection leak between nimbus and supervisors
  
• 
  　　STORM-1001: Undefined STORM_EXT_CLASSPATH adds '::' to>
  
• 　　STORM-977: Incorrect signal (-9) when as-user is true
  
• 　　STORM-843: [storm-redis] Add Javadoc to storm-redis
  
• 　　STORM-866: Use storm.log.dir instead of storm.home in log4j2 config
  
• 　　STORM-810: PartitionManager in storm-kafka should commit latest offset before close
  
• 　　STORM-928: Add sources->streams->fields map to Multi-Lang Handshake
  
• 　　STORM-945:  element is not a policy,and should not be putted in the  element.
  
• 　　STORM-857: create logs metadata dir when running securely
  
• 　　STORM-793: Made change to logviewer.clj in order to remove the invalid http 500 response
  
• 　　STORM-139: hashCode does not work for byte[]
  
• 　　STORM-860: UI: while topology is transitioned to killed, "Activate" button is enabled but not functioning
  
• 　　STORM-966: ConfigValidation.DoubleValidator doesn't really validate whether the type of the object is a double
  
• 　　STORM-742: Let ShellBolt treat all messages to update heartbeat
  
• 　　STORM-992: A bug in the timer.clj might cause unexpected delay to schedule new event
  

　　Apache Storm 0.10.0 发行说明：
　　
　　https://storm.apache.org/2015/11/05/storm0100-released.html 
　　
　　Maven Central：
　　
　　groupId: org.apache.storm
　　artifactId: storm-core
　　version: 0.10.0
　　同时还发布了 Apache Storm 0.9.6 版本，这是个维护版本，主要是 bug 修复和改进：

• 　　STORM-1027: Use overflow buffer for emitting metrics
  
• 　　STORM-996: netty-unit-tests/test-batch demonstrates out-of-order delivery
  
• 　　STORM-1056: allow supervisor log filename to be configurable via ENV variable
  
• 　　STORM-1051: Netty Client.java's flushMessages produces a NullPointerException
  
• 　　STORM-763: nimbus reassigned worker A to another machine, but other worker's netty client can't connect to the new worker A
  
• 　　STORM-935: Update Disruptor queue version to 2.10.4
  
• 
  　　STORM-503: Short disruptor queue wait time leads to high CPU usage when>
  
• 　　STORM-728: Put emitted and transferred stats under correct columns
  
• 　　STORM-643: KafkaUtils repeatedly fetches messages whose offset is out of range
  
• 　　STORM-933: NullPointerException during KafkaSpout deactivation
  

　　下载：http://storm.apache.org/downloads.html 
　　Apache Storm 的前身是 Twitter Storm 平台，目前已经归于 Apache 基金会管辖。
　　Apache Storm 是一个免费开源的分布式实时计算系统。简化了流数据的可靠处理，像 Hadoop 一样实现实时批处理。Storm 很简单，可用于任意编程语言。Apache Storm 采用 Clojure 开发。
　　Storm 有很多应用场景，包括实时数据分析、联机学习、持续计算、分布式 RPC、ETL 等。Storm 速度非常快，一个测试在单节点上实现每秒一百万的组处理。
　　目前已经有包括阿里百度在内的数家大型互联网公司在使用该平台。