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# Changelog of the check_mysql_health plugin #
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- bugfix in querycache-hitrate (div by 0 after db restart). (Thanks Gianluca Varisco)
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- bugfix in timeout-alarm handling under windows
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- fix warnings for newest perl versions
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- new parameters --mycnf and --mycnfgroup
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- single ticks around the --name argument under Windows CMD will be removed auto
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- innodb modes now detect problems with the innodb engine
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- fix a bug with statefilesdir and capital letters
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- add --labelformat so that groundwork no longer complains (max label length is 19 characters)
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- sites in an OMD (http://omdistro.org) environment have now private statefile directories
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- bugfix in --mode sql (numeric vs. regexp result)
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- fixed a division by zero bug in index-usage (Thanks Wiltmut Gerdes)
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- fixed a severe bug when loading dynamic extensions (Thanks Ralph Schneider)
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- added mode table-fragmentation
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- fixed a bug in table-lock-contention (thanks mayukmok00)
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- mode sql can now have a non-numerical output which is compared to a string/regexp
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- new parameter --dbthresholds
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- new mode report can be used to output only the bad news (short,long,html)
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- added modes threads-created, threads-running, threads-cached
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- added connects-aborted, clients-aborted
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- added mode open-files
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- fix a bug in the pnp template
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- changed statements for 4.x compatibility (show variables like) (Thanks Florian)
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- added more tracing (touch /tmp/check_mysql_health.trace to watch)
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- fixed a bug in master-slave modes, so it outputs a more meaningful error message (Thanks Will Oberman)
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- fixed a typo (Thanks Larsen)
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- parameter --lookback uses custom intervals for _now-values
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- fixed another bug in master-slave modes. (Thanks Thomas Mueller)
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- fixed a bug in bufferpool-wait-free. (Thanks Matthias Flacke)
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- fixed a bug in the PNP template. (Thanks Matthias Flacke)
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- slave-lag now handles failed io threads. (Thanks Greg)
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- fixed a bug in connections with non-standard sockets (Thanks Stephan Huiser)
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- fixed a bug in --mode cluster-ndbd-running where dead api nodes were overseen
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- fixed a bug in master-slave modes. (Thanks Arkadiusz Miskiewicz)
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- fixed a bug with 0 warning/critical
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- fixed a bug in long-running-procs (affects only mysql 5.0 and below). (Thanks Bodo Schulz)
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- $NAGIOS__HOSTMYSQL_HOST etc. is now possible
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- fixed a (harmless) bug which caused uninitialized-messages. (Thanks John Alberts & Thomas Borger)
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- enabled password-less login to localhost.
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- This is the first release of the new plugin check_mysql_health
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It replaces check_mysql_perf which is a nightmare to install
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It can use either DBD::mysql, the mysql command or DBD::SQLrelay
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It can monitor mysql clusters (the ndb stuff)
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It can execute custom sql statements