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PyCounters is a light weight library to monitor performance and events in production systems

Project description

Checkout http://pycounters.readthedocs.org/ for more details.

0.7:
  • Fixed: a busy leader which doesn’t respond to a ping on a timely fashion was not handled correctly.
0.6:
  • NEW: new types of counters MaxWindowCounter, MinWindowCounter
  • IMPORTANT: changes in package structure, counters module split int sub modules. Backward compatible as long as no internals were used.
  • Fixed: removing a counter by name caused an exception
  • Fixed: too short queue on multi process server caused pycounters to fail if used on >~10 processes
  • Fixed: starting up a new process in a multi-process auto election setup caused JSON reporter to output an empty file (which will then be updated in the next cycle)
0.5:
  • Fixed - locking issue with JSON output files
  • Fixed - EventCounter did not respond to events keyword argument
0.4:
  • added a patcher util class to allow injecting events to existing libraries/code.
  • decoupled counter names from the names of events they count. Still, by default a counter will count events with it’s name
  • shortcut decorators now take the name of the function they wrap as a default event name
  • Added a role option to multi process reporting initializations.
  • Made all report_* and shortcuts decorators usable as context managers.
  • Munin plugin now ignores old reports by default
  • Counters which doesn’t have any value now return None instead of 0.
  • Fixed an issue with aggregation of average values when not all sources had the same value
  • Added output_report() to allow manual initiation of reports.
0.3:
  • Added a manifest.in file, so that CHANGES.txt will come along.
0.2:
  • Added multiprocess support.
  • Extended EventLogger to allow regex based filtering of events it logs.
  • Added JSONFileReporter to output reports in JSON format
  • Added a utility to facilitate writing Munin plugins
0.1:
  • Initial Release

Project details


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