Re: runzeo.py exit with unexpected exit code
Etienne Robillard <[email protected]>
| Newsgroups | gmane.comp.web.zope.zodb |
|---|---|
| Message-ID | <[email protected]> |
Hi, I created a new repository for tracking my experimental ZODB changes: https://bitbucket.org/tkadm30/zodb-gevent Regards, E On 04/07/2017 04:55 AM, Etienne Robillard wrote: > The other option I considered was to replace select.select() calls to > use native epoll library in ZEO/zrpc/client.py. > > According to Gevent documentation, monkey.patch_all() may replace > select.select() with gevent.select.select() for improved cooperativity. > > http://www.gevent.org/gevent.monkey.html > > Regards, > > E > > Le 2017-04-06 à 10:06, Jason Madden a écrit : >> >> This error means either one of the file descriptors is negative, or >> one of the file descriptors is greater than the compile-time constant >> FD_SETSIZE[1]. FD_SETSIZE is commonly (well, on two systems I >> checked) defined to be 1024[2]. Since you say that "[t]he issue seem >> to occur on high load", it seems likely that the file descriptor is >> too large. That is, you have too large a number of connections open >> concurrently...that, or there's a file descriptor/socket/connection >> leak in the code. Running `lsof` against the process might reveal >> information about the connections and file descriptors when you see >> this error. Or since you seem to be running with a source checkout of >> gevent, you could modify it to report the file descriptors when you >> see this error. >> >> As an aside, prior to gevent 1.2a1[3], gevent would handle this >> situation differently than the stdlib...sometimes that was a good >> thing (depending on system configuration), but just as often it could >> be a very bad thing. >> >> [1] >> https://github.com/python/cpython/commit/fda7b379acde3ad60bbd42acb6da7e7099d25133 >> [2] https://access.redhat.com/solutions/488623 >> [3] http://www.gevent.org/changelog.html#select-poll > -- You received this message because you are subscribed to the Google Groups "zodb" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.