pycassa.logging.pool_stats_logger – Connection Pool Stats

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