Re: Thread Blocking Radomly

2009-09-28 Thread Jeff Newburn
0700 > To: > Subject: Re: Thread Blocking Radomly > > I originally thought it was replication but one of the servers > exhibited the same issue with polling disabled. If it is tomcat why > would it block for so long on a simple log rotation? > > Additionally, we see similar t

Re: Thread Blocking Radomly

2009-09-27 Thread Mark Miller
Mark Miller wrote: > Its certainly happening when its trying to switch to a new log file. It > doesn't try and close the file otherwise. Why there is such a pause > doing it, I dunno. Perhaps because there are tons of file descriptors > around? > > Does it happen on a fresh system, or did it just s

Re: Thread Blocking Radomly

2009-09-27 Thread Mark Miller
Its certainly happening when its trying to switch to a new log file. It doesn't try and close the file otherwise. Why there is such a pause doing it, I dunno. Perhaps because there are tons of file descriptors around? Does it happen on a fresh system, or did it just start after running for a long

Re: Thread Blocking Radomly

2009-09-27 Thread Jeffery Newburn
I originally thought it was replication but one of the servers exhibited the same issue with polling disabled. If it is tomcat why would it block for so long on a simple log rotation? Additionally, we see similar things during the day. Replication often is around the occurance but never at

Re: Thread Blocking Radomly

2009-09-27 Thread Yonik Seeley
Perhaps something like Tomcat rotating it's log files nightly? -Yonik http://www.lucidimagination.com On Sun, Sep 27, 2009 at 11:13 AM, Mark Miller wrote: > Doesn't sound so random ;) > > Do you have anything specific going on at that time? Replication, > something else scheduled? Pretty odd it

Re: Thread Blocking Radomly

2009-09-27 Thread Mark Miller
Doesn't sound so random ;) Do you have anything specific going on at that time? Replication, something else scheduled? Pretty odd it would happen at around the same time every night unless something is set to occur then ... Jeff Newburn wrote: > It appears that a few seconds after midnight every