On 02/03/11 06:05, John Arbash Meinel wrote: > On 3/1/2011 7:18 PM, Robert Collins wrote: >> On Wed, Mar 2, 2011 at 4:19 AM, John Arbash Meinel >> <[email protected]> wrote: >>> >>> Do we have a way to find out more information about what was going on >>> when these were restarted? It has been quite some time since loggerhead >>> was crashing this much. >>> >>> Specifically, the last crash on that page was back in December, so about >>> 2-3 months ago. And now it is crashing 2x in 2 days. > >> Its been hanging [or perhaps just /very slow/ in a regular expression >> in pygments. I've also been seeing very slow performance in previously >> fine code in oops-tools leading to very slow oops rendering. I don't >> have enough data to say that these are/are not related yet. William >> has been debugging this and may have more info. > >> I agree that its strange that this happened now. AFAIK, though, the >> python re engine is self contained, not a thunk to a C re engine... >> and Python hasn't been changed since we upgraded to lucid (octoberish >> last year). > >> -Rob > > You mean a non-python C regex engine? > >>>> import re >>>> x = re.compile('test') >>>> x.match > <built-in method match of _sre.SRE_Pattern object at 0x01D77A40> > > So regexes are compiled classes under the covers. > > > My best guess is that we upgrade pygments, or maybe just exposed it to > specific data files?
I opted to cowboy out syntax highlighting last night. It's stable now. I also upgraded Pygments in devel and confirmed that it fixes the issue, but Windmill has killed buildbot so we might not have it deployed before Europe wakes up.
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