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@@ -1,4 +1,151 @@ --------------------------------------------------------------------------- +Version 6.1.7 [DEVEL] (rgerhards), 2011-03-?? +- somewhat improved documentation index +--------------------------------------------------------------------------- +Version 6.1.6 [DEVEL] (rgerhards), 2011-03-14 +- enhanced omhdfs to support batching mode. This permits to increase + performance, as we now call the HDFS API with much larger message + sizes and far more infrequently +- improved testbench + among others, life tests for ommysql (against a test database) have + been added, valgrind-based testing enhanced, ... +- bugfix: minor memory leak in omlibdbi (< 1k per instance and run) +- bugfix: (regression) omhdfs did no longer compile +- bugfix: omlibdbi did not use password from rsyslog.con + closes: http://bugzilla.adiscon.com/show_bug.cgi?id=203 +- systemd support somewhat improved (can now take over existing log sockt) +- bugfix: discard action did not work under some circumstances + fixes: http://bugzilla.adiscon.com/show_bug.cgi?id=217 +- bugfix: file descriptor leak in gnutls netstream driver + fixes: http://bugzilla.adiscon.com/show_bug.cgi?id=222 +- fixed compile problem in imtemplate + fixes: http://bugzilla.adiscon.com/show_bug.cgi?id=235 +--------------------------------------------------------------------------- +Version 6.1.5 [DEVEL] (rgerhards), 2011-03-04 +- improved testbench +- enhanced imtcp to use a pool of worker threads to process incoming + messages. This enables higher processing rates, especially in the TLS + case (where more CPU is needed for the crypto functions) +- added support for TLS (in anon mode) to tcpflood +- improved TLS error reporting +- improved TLS startup (Diffie-Hellman bits do not need to be generated, + as we do not support full anon key exchange -- we always need certs) +- bugfix: fixed a memory leak and potential abort condition + this could happen if multiple rulesets were used and some output batches + contained messages belonging to more than one ruleset. + fixes: http://bugzilla.adiscon.com/show_bug.cgi?id=226 + fixes: http://bugzilla.adiscon.com/show_bug.cgi?id=218 +- bugfix: memory leak when $RepeatedMsgReduction on was used + bug tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=225 +- bugfix: potential abort condition when $RepeatedMsgReduction set to on + as well as potentially in a number of other places where MsgDup() was + used. This only happened when the imudp input module was used and it + depended on name resolution not yet had taken place. In other words, + this was a strange problem that could lead to hard to diagnose + instability. So if you experience instability, chances are good that + this fix will help. +--------------------------------------------------------------------------- +Version 6.1.4 [DEVEL] (rgerhards), 2011-02-18 +- bugfix/omhdfs: directive $OMHDFSFileName rendered unusable + due to a search and replace-induced bug ;) +- bugfix: minor race condition in action.c - considered cosmetic + This is considered cosmetic as multiple threads tried to write exactly + the same value into the same memory location without sync. The method + has been changed so this can no longer happen. +- added pmsnare parser module (written by David Lang) +- enhanced imfile to support non-cancel input termination +- improved systemd socket activation thanks to Marius Tomaschweski +- improved error reporting for $WorkDirectory + non-existance and other detectable problems are now reported, + and the work directory is NOT set in this case +- bugfix: pmsnare causded abort under some conditions +- bugfix: abort if imfile reads file line of more than 64KiB + Thanks to Peter Eisentraut for reporting and analysing this problem. + bug tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=221 +- bugfix: queue engine did not properly slow down inputs in FULL_DELAY mode + when in disk-assisted mode. This especially affected imfile, which + created unnecessarily queue files if a large set of input file data was + to process. +- bugfix: very long running actions could prevent shutdown under some + circumstances. This has now been solved, at least for common + situations. +- bugfix: fixed compile problem due to empty structs + this occured only on some platforms/compilers. thanks to Dražen Kačar + for the fix +--------------------------------------------------------------------------- +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 +--------------------------------------------------------------------------- +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 know 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 +--------------------------------------------------------------------------- +Version 6.1.1 [DEVEL] (rgerhards), 2010-11-30 +- bugfix(important): problem in TLS handling could cause rsyslog to loop + in a tight loop, effectively disabling functionality and bearing the + risk of unresponsiveness of the whole system. + Bug tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=194 +- support for omhdfs officially added (import from 5.7.1) +- merged imuxsock improvements from 5.7.1 (see there) +- support for systemd officially added (import from 5.7.0) +- bugfix: a couple of problems that imfile had on some platforms, namely + Ubuntu (not their fault, but occured there) +- bugfix: imfile utilizes 32 bit to track offset. Most importantly, + this problem can not experienced on Fedora 64 bit OS (which has + 64 bit long's!) +- a number of other bugfixes from older versions imported +--------------------------------------------------------------------------- +Version 6.1.0 [DEVEL] (rgerhards), 2010-08-12 + +*********************************** NOTE ********************************** +The v6 versions of rsyslog feature a greatly redesigned config system +which, among others, supports scoping. However, the initial version does +not contain the whole new system. Rather it will evolve. So it is +expected that interfaces, even new ones, break during the initial +6.x.y releases. +*********************************** NOTE ********************************** + +- added $Begin, $End and $ScriptScoping config scope statments + (at this time for actions only). +- added imptcp, a simplified, Linux-specific and potentielly fast + syslog plain tcp input plugin (NOT supporting TLS!) + [ported from v4] +--------------------------------------------------------------------------- Version 5.9.0 [V5-DEVEL] (rgerhards), 2011-03-?? - this begins a new devel branch for v5 - enhanced omhdfs to support batching mode. This permits to increase |