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SNAPSHOT

  • Bug fix: "storm supervisor" now uses supervisor.childopts instead of nimbus.childopts
  • Bug fix: supervisor.childopts and nimbus.childopts can now contain whitespace. Previously only the first token was taken from the string

0.6.2

  • Automatically delete old files in Nimbus's inbox. Configurable with "nimbus.cleanup.inbox.freq.secs" and "nimbus.inbox.jar.expiration.secs"
  • Redirect System.out and System.err to log4j
  • Added "topology.worker.child.opts" config, for topology-configurable worker options.
  • Use Netflix's Curator library for Zookeeper communication. Workers now reconnect to Zookeeper rather than crash when there's a disconnection.
  • Bug fix: DRPC server no longer hangs with too many concurrent requests. DPRC server now requires two ports: "drpc.port" and "drpc.invocations.port"
  • Bug fix: Multilang resources are now extracted from the relevant jar on the classpath when appropriate. Previously an error would be thrown if the resources/ dir was in a jar in local mode.
  • Bug fix: Fix race condition in unit testing where time simulation fails to detect that Storm cluster is waiting due to threads that are not alive
  • Bug fix: Fix deadlock in Nimbus that could be triggered by a kill command.

0.6.1

  • storm client "activate" and "deactivate" commands
  • storm client "rebalance" command
  • Nimbus will automatically detect and cleanup corrupt topologies (this would previously give an error of the form "file storm...ser cannot be found").
  • "storm" client will not run unless it's being used from a release.
  • Topology jar path now passed in using a java property rather than an environment variable.
  • LD_LIBRARY_PATH environment variable is now set on worker processes appropriately.
  • Replaced jvyaml with snakeyaml. UTF-8 YAML files should now work properly.
  • Upgraded httpclient, httpcore, and commons-codec dependencies.

0.6.0

  • New serialization system based on Kryo
  • Component and stream ids are now strings
  • Pluggable stream groupings
  • Storm now chooses an unused port for Zookeeper in local mode instead of crashing when 2181 was in use.
  • Better support for defining topologies in non-JVM languages. The Thrift structure for topologies now allows you to specify components using a Java class name and a list of arguments to that class's constructor.
  • Bug fix: errors during the preparation phase of spouts or bolts will be reported to the Storm UI
  • Bug fix: Fixed bugs related to LinearDRPC topologies where the last bolt implements FinishedCallback
  • Bug fix: String greater than 64K will now serialize properly
  • Generalized type of anchors in OutputCollector methods to Collection from List.
  • Improved logging throughout.
  • In the "worker.childopts" config, %ID% will be replaced by the worker port.
  • Significant internal refactorings to clean up the codebase.

0.5.4

  • LinearDRPCTopologyBuilder, a polished DRPC implementation,
  • Improved custom serialization support. no longer need to provide "token" ids.
  • Fallback on Java serialization by default. Can be turned off by setting "topology.fall.back.on.java.serialization" to false.
  • Improved "storm kill" command. Can override the wait time with "-w" flag.
  • Display topology status in Storm UI
  • Changed Thrift namespace to avoid conflicts
  • Better error messages throughout
  • Storm UI port is configurable through "ui.port"
  • Minor improvements to Clojure DSL

0.5.3

  • Nimbus and supervisor daemons can now share a local dir.
  • Greatly improved Clojure DSL for creating topologies.
  • Increased the default timeouts for startup of workers and tasks.
  • Added the commands "localconfvalue", "remoteconfvalue", and "repl" to the storm script.
  • Better error message when "storm jar" can't find the nimbus host in the configuration.

0.5.2

  • No longer need any native dependencies to run Storm in local mode. Storm now uses a pure Java messaging system in local mode
  • Fixed logging configurations so that logging is no longer suppressed when including the Storm release jars on the classpath in local mode.

0.5.1

  • Changed ISerialization's "accept" interface to not annotate the Class with the generic type
  • Made Config class implement Map and added helper methods for setting common configs

0.5.0

  • Initial release!
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