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Changelog for 7.5.6 (v7-devel)

Version 7.5.6 [devel] 2013-10-29

  • improved performance of RainerScript variable access
    by refactoring the whole body of variable handling code. This also
    solves some of the anomalies experienced in some versions of rsyslog.
    All variable types are now handled in unified code, including
    access via templates.
  • RainerScript: make use of 64 bit for numbers where available
    Thanks to Pavel Levshin for enhancement.
  • slight performance optimization if GCC is used
    We give branch prediction hints for the frequent RETiRet macro which is
    used for error handling. Some slight performance gain is to be expected
    from that.
  • removed global variable support
    The original idea was not well thought out and global variables, as
    implemented, worked far different from what anybody would expect. As
    such, we consider the current approach as an experiment that did not
    work out and opt to removing it, clearing the way for a better future
    solution. Note: global vars were introduced in 7.5.3 on Sept, 11th 2013.
  • new module mmsequence, primarily used for action load balancing
    Thanks to Pavel Levshin for contributing this module.
  • bugfix: unset statement always worked on message var, even if local
    var was given
  • bugfix: segfault if variable was assigned to non-container subtree
    Thanks to Pavel Levshin for the fix
  • bugfix: imuxsock did not suport addtl sockets if syssock was disabled
    Thanks to Pavel Levshin for the fix
  • bugfix: running imupd on multiple threads lead to segfault if recvmmsg
    is available
  • bugfix: segfault if re_extract() function was used and no match found
  • bugfix: omelasticsearch did not compile on platforms without atomic
    instructions
  • bugfix: potential misadressing on startup if property-filter was used
    This could happen if the property name was longer than 127 chars, a case
    that would not happen in practice.
  • bugfix: invalid property filter was not properly disabled in ruleset
    Note: the cosmetic memory leak introduced with that patch in 7.4.5 is
    now also fixed.
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