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This change stops sleekxmpp from spending huge amounts of time unnecessarily computing logging data that may never be used. This is a HUGE performance improvement; in some of my test runs, unnecessary string creation was accounting for > 60% of all CPU time.

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Note that using % in a string will _always_ perform the sting substitutions, because the strings are constructed before the function is called. So log.debug('%s' % expensiveoperation()) will take about the same CPU time whether or not the logging level is DEBUG or INFO. if you use , no substitutions are performed unless the string is actually logged
This commit is contained in:
Vijay Pandurangan
2011-11-20 03:30:44 +08:00
committed by Lance Stout
parent 1baf139ca4
commit deb52ad350
23 changed files with 69 additions and 72 deletions
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sleekxmpp/plugins/xep_0224/attention.py
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@@ -68,5 +68,5 @@ class xep_0224(base_plugin):
Arguments:
msg -- A message stanza with an attention element.
"""
log.debug("Received attention request from: %s" % msg['from'])
log.debug("Received attention request from: %s" , msg['from'])
self.xmpp.event('attention', msg)