Thanks, Sean. Good to know. Mike D. Jones
> -----Original Message----- > From: [email protected] [mailto:[EMAIL PROTECTED] > Sent: Friday, January 11, 2008 12:20 PM > To: [email protected] > Subject: Re: [magnolia-user] Jackrabbit 1.3.3 and Memory Usage > > Hi Mike, > > I just got word from one of our engineers that the problem is markedly > less > pronounced with Magnolia 3.5, though it apparently still exists. So > good > news there. > > Another interesting point is that the issue is slowed markedly when > Tomcat > sessions are allowed to persist. (Our caching architecture had been > eating > the session cookies until we tweaked it recently.) Memory use still > grows > when all our site visitors are channeled through a single Tomcat > session, > but at a fairly reduced rate. > > We'll be entering everything we know into Vivian's Jira ticket shortly. > > Sean > > > On 1/11/08 9:33 AM, "Mike D. Jones" <[email protected]> wrote: > > > Hi all, > > > > I'm concerned to hear this happening in 3.5... We've had the same > problem with > > Jackrabbit 1.0.1 and Magnolia 3.0. I was hoping that an upgrade to > 3.5 would > > fix the problem. > > > > Currently, a thread stack dump of the JVM shows no problems with the > > application, but a dump of the heap shows a nearly total memory > usage, most > > likely generated from > org.apache.jackrabbit.util.WeakIdentityCollection. > > > > > > Mike D. Jones > > > >> -----Original Message----- > >> From: [email protected] [mailto:[EMAIL PROTECTED] > >> Sent: Friday, January 11, 2008 10:24 AM > >> To: [email protected] > >> Subject: Re: [magnolia-user] Jackrabbit 1.3.3 and Memory Usage > >> > >> Hi sean, > >> > >> We also did the transition to JackRabbit 1.3.3 before Magnolia did. > And > >> we > >> are facing to the same problem. I would enjoy to work with you to > solve > >> this issue or at least to find a hack or some workaround. > >> > >> Regards, > >> > >> CAPITAINE Harold > >> > >> > >>> Hi Folks, > >>> > >>> We upgraded to Jackrabbit 1.3.3 over the break, looking forward to > >> the > >>> performance and reliability enhancements it promised. > Unfortunately, > >> we > >>> have > >>> found that it uses a ton more memory than the older version of > >> Jackrabbit > >>> did. As a result, our public instance has become very unstable, as > it > >>> tends > >>> to exhaust the available 1GB within about 75 minutes. Since we're > >> using > >>> BDB > >>> as our data store, having to forcibly shut down tomcat also appears > >> to be > >>> introducing data corruption, as we've been having more and more > nodes > >> that > >>> are unable to be updated or deleted in the public instance. This, > of > >>> course, > >>> makes our users very unhappy indeed. > >>> > >>> Since the memory use appears to grow steadily, this seems very much > >> like a > >>> memory leak, and appears to be present both when using BDB or > >> PostGreSQL > >>> for > >>> persistence, and under both Magnolia 3.0.5 and Magnolia 3.5. > >>> > >>> We're faced now with reverting to the earlier version of Jackrabbit > >> and > >>> tweaking the XML for all of our 200 sites so that it can be > imported > >> by > >>> the > >>> earlier version of Jackrabbit. > >>> > >>> Needless to say, we'd very much like to avoid this scenario. If > any > >> one > >>> can > >>> provide any help to get Jackrabbit 1.3.3's memory usage under > >> control, > >>> we'd > >>> very much like to hear it. > >>> > >>> Thanks in advance for any insight. > >>> > >>> Sean > >>> > >>> > >>> ---------------------------------------------------------------- > >>> for list details see > >>> http://documentation.magnolia.info/docs/en/editor/stayupdated.html > >>> ---------------------------------------------------------------- > >>> > >> > >> > >> > >> > >> > >> > >> ---------------------------------------------------------------- > >> for list details see > >> http://documentation.magnolia.info/docs/en/editor/stayupdated.html > >> ---------------------------------------------------------------- > > > > ---------------------------------------------------------------- > > for list details see > > http://documentation.magnolia.info/docs/en/editor/stayupdated.html > > ---------------------------------------------------------------- > > > ---------------------------------------------------------------- > for list details see > http://documentation.magnolia.info/docs/en/editor/stayupdated.html > ---------------------------------------------------------------- ---------------------------------------------------------------- for list details see http://documentation.magnolia.info/docs/en/editor/stayupdated.html ----------------------------------------------------------------
