Re: Temporarily deaf instances
Re: Temporarily deaf instances
- Subject: Re: Temporarily deaf instances
- From: Gary Teter <email@hidden>
- Date: Mon, 24 Mar 2008 12:26:42 -0700
That's what everyone says, but JGroups made this particular problem
worse. :(
On Mar 24, 2008, at 12:24 PM, Simon McLean wrote:
Hi Gary -
We had a lot of problems with deadlocks - permanent and temporary
like you are seeing - when using JMS. The temporary ones appeared
like the instance had suddenly received a ton of synch updates and
sat there churning away at them for a while, then sprung back into
life.
JGroups is definitely the way to go. We run a lot of stuff on it
now and it's flawless (he say's, knocking firmly on some wood :-)).
We're pretty much using the default configuration options.
Simon
On 24 Mar 2008, at 19:18, Gary Teter wrote:
This is the new one with JGroups swapped out for JMS.
We tried a TON of different configurations for jgroups and just
couldn't get it running reliably, including using JMS as a
transport for jgroups.
On Mar 24, 2008, at 12:08 PM, Mike Schrag wrote:
We're using an ERXRemoteSynchronizer-derived change notification
system over JMS (openjms-0.7.7-beta-1 running on a different box)
Is this the old JMS remote synchronizer or the new one with
JGroups sending on top of JMS? The old Wonder JMS synchronizer
is known (from anecdotal reports) to have deadlock problems.
Regardless, though, you would see a hung EO stack in your stack
dumps (and it would never come back). It doesn't make sense to
me that kill -QUIT is blocked -- that implies to me that it's
something much lower-level. But you're not getting CPU
starvation, because you're only running at like 2.4% ..... Just
thinking out loud here.
ms
--
WireHose: Smart metadata and personalization for WebObjects.
http://wirehose.com/
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
40mac.com
This email sent to email@hidden
--
WireHose: Smart metadata and personalization for WebObjects.
http://wirehose.com/
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden