> On June 26, 2014, 11:57 a.m., wdoekes wrote: > > Some micro-optimization below:
Thanks for teaching me this about Python! - Corey ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviewboard.asterisk.org/r/3668/#review12341 ----------------------------------------------------------- On June 27, 2014, 3:14 p.m., Corey Farrell wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviewboard.asterisk.org/r/3668/ > ----------------------------------------------------------- > > (Updated June 27, 2014, 3:14 p.m.) > > > Review request for Asterisk Developers and Matt Jordan. > > > Bugs: ASTERISK-23921 > https://issues.asterisk.org/jira/browse/ASTERISK-23921 > > > Repository: Asterisk > > > Description > ------- > > When processing a 212MB refs file, refcounter.py used over 3GB of RAM. This > caused swap thrashing and temporarily froze my system. The included patch > makes the following memory optimizations: > * skewed and finished object lists are only populated if not disabled > * lines are saved to each object as the final output line > > Saving the whole lines in output format seems to reduce memory usage by > 80-90%. Ignoring finished/skewed objects caused an additional reduction of > about 75% on my system. > > > Diffs > ----- > > /branches/12/contrib/scripts/refcounter.py 417247 > > Diff: https://reviewboard.asterisk.org/r/3668/diff/ > > > Testing > ------- > > Watched 'top -c' with refcounter.py running on the 212MB refs log. The > highest memory usage I saw was 127MB with '-sn' options and 472MB with full > output. > > > Thanks, > > Corey Farrell > >
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