pycassa.logging.pool_stats_logger
– Connection Pool Stats¶
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class
pycassa.logging.pool_stats_logger.
StatsLogger
¶ Basic stats logger that increment counts. You can plot these as COUNTER or DERIVED (RRD) or apply derivative (graphite) except for
opened
, which tracks the currently opened connections.Usage:
>>> pool = ConnectionPool(...) >>> stats_logger = StatsLogger() >>> pool.add_listener(stats_logger) >>> >>> # use the pool for a while... >>> import pprint >>> pprint.pprint(stats_logger.stats) {'at_max': 0, 'checked_in': 401, 'checked_out': 403, 'created': {'failure': 0, 'success': 0}, 'disposed': {'failure': 0, 'success': 0}, 'failed': 1, 'list': 0, 'opened': {'current': 2, 'max': 2}, 'recycled': 0}
Get your stats as
stats_logger.stats
and push them to your metrics system.-
reset
(*args, **kwargs)¶ Reset all counters to 0
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