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4/6/2010 JPPF 2.1 release notes

What's new in JPPF 2.1

Performance

The development of this release has seen a lot of emphasis on both memory usage and performance improvements.
The JPPF server now executes multithreaded network I/O and reaches new levels of scalability.
JPPF applications can now enjoy faster execution of larger jobs.

Localization

Russian localization is now available for the graphical administration console.

Load balancing

Custom load-balancers can now use information about the nodes' environment and configuration, along with metadata about the jobs.
This allows for sophisticated load-balancing implementations that can adapt to the capabilities of each node and the computational characteristics of each job.
A sophisticated and fully documented sample illustrates these new capabilities and will get you started in no time.

Configuration

The managment port auto-incrementation enables servers and nodes to automatically find port available numbers, making JPPF configuration even easier and removing one the main configuration hurdles.
It is now possible to specify the number of concurrent threads performing I/O in the server.

New Samples

Three new samples complement our offering in the JPPF samples pack:

New Feature Requests

  • 2966065 - Adapt the load-balancing to the weight of each job
  • 2955505 - Give load balancers access to the node's configuration
  • 2182052 - Simple local node monitoring in system tray

Bug Fixes

  • 2972979 - Un-connected nodes shouldn't report a valid number of thread
  • 2969881 - Undefined processing.threads causes execution policy to fail
  • 2969126 - ClientDataProvider feature not implemented in J2EE connector
  • 2967151 - Improper exception handling in JPPFBroadcaster
  • 2962404 - Changing load-balancer settings is done at the wrong time
  • 2955491 - Connection pool not working whith server discovery disabled
  • 2953562 - Node does not report results of tasks with timeout
  • 2933677 - Server thread stuck when serialization fails in node
  • 2914622 - Local IP addresses should include more than 127.0.0.1
  • 2907258 - JMX initialization failure causes node to stop working
  • 2907246 - Remote debugging is only possible on localhost

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