Changelog for 5.7.3 (v5-beta)

Version 5.7.3 [V5-BETA] (rgerhards), 2011-02-07

  • added support for processing multi-line messages in imfile
    thanks to David Lang for implementing this
  • added $IMUDPSchedulingPolicy and $IMUDPSchedulingPriority config settings
  • added $LocalHostName config directive
  • bugfix: fixed build problems on some platforms
    namely those that have 32bit atomic operations but not 64 bit ones
  • bugfix: local hostname was pulled too-early, so that some config
    directives (namely FQDN settings) did not have any effect
  • bugfix: imfile did duplicate messages under some circumstances
  • added $OMMySQLConfigFile config directive
  • added $OMMySQLConfigSection config directive

Changelog for 6.1.3 (v6-devel)

Version 6.1.3 [DEVEL] (rgerhards), 2011-02-01

  • experimental support for monogodb added
  • added $IMUDPSchedulingPolicy and $IMUDPSchedulingPriority config settings
  • added $LocalHostName config directive
  • improved tcpsrv performance by enabling multiple-entry epoll
    so far, we always pulled a single event from the epoll interface.
    Now 128, what should result in performance improvement (less API
    calls) on busy systems. Most importantly affects imtcp.

  • imptcp now supports non-cancel termination mode, a plus in stability
  • imptcp speedup: multiple worker threads can now be used to read data
  • new directive $InputIMPTcpHelperThreads added
  • bugfix: fixed build problems on some platforms
    namely those that have 32bit atomic operations but not 64 bit ones

  • bugfix: local hostname was pulled too-early, so that some config
    directives (namely FQDN settings) did not have any effect

  • enhanced tcpflood to support multiple sender threads
    this is required for some high-throughput scenarios (and necessary to
    run some performance tests, because otherwise the sender is too slow).

  • added some new custom parsers (snare, aix, some Cisco “specialities”)
    thanks to David Lang

Changelog for 5.6.3 (v5-stable)

Version 5.6.3  [V5-STABLE] (rgerhards), 2011-01-26

  • bugfix: action processor released memory too early, resulting inpotential issue in retry cases (but very unlikely due to anotherbug, which I also fixed — only after the fix this problem here became actually visible).
  • bugfix: batch processing flagged invalid message as “bad” under somecircumstances
  • bugfix: unitialized variable could cause issues under extreme conditionsplus some minor nits. This was found after a clang static code analyzeranalysis (great tool, and special thanks to Marcin for telling me about it!)
  • bugfix: batches which had actions in error were not properly retried inall cases
  • bugfix: imfile did duplicate messages under some circumstances

Changelog for 6.1.2 (devel)

Version 6.1.2  [DEVEL] (rgerhards), 2010-12-16

  • added experimental support for log normalizaton (via liblognorm) support for normalizing log messages has been added in the form of mmnormalize. The core engine (property replacer, filter engine) has been enhanced to support properties from normalized events.

Note: this is EXPERIMENTAL code. It is currently known that there are issues if the functionality is used with

  • disk-based queues
  • asynchronous action queues

You can not use the new functionality together with these features.

This limitation will be removed in later releases. However, we preferred to release early, so that one can experiment with the new feature set and accepted the price that this means the full set of functionality is not yet available. If not used together with these features, log normalizing should be pretty stable.

  • enhanced testing tool tcpflood now supports sending via UDP and the capability to run multiple iterations and generate statistics data records
  • bugfix: potential abort when output modules with different parameter passing modes were used in configured output modules
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