Dave, How many logins? We recently had a misconfugured cas client from a vendor almost fill /var. It was tens of thousands of logins.
It would be nice if cas had some way to rate limit ST and login requests per user. Thanks, Carl On Dec 2, 2014 3:26 PM, "David A. Kovacic" <d...@case.edu> wrote: > I'm not sure how or where you would mark this as a singleton instance - > although if you go back to an actual Google web page multiple times from > the same browser session you reuse the ST if that's what you mean. This > actually looked like multiple logins from a single user over the span of > about 30 minutes. Not sure if this was some poorly written webapp logging > in several time or what. > > > On 12/2/14 1:32 PM, Erik-Paul Dittmer wrote: > > Rapid heap memory consumption (which are not garbage collected) *can* be > caused by unfinished Spring Webflow flow sessions; this is something we > have observed. However, when looking at your memory dump, the majority of > the instances (and size) is being claimed by the GoogleAccountService. > Perhaps this is not marked as a singleton instance? > > On Tue, Dec 2, 2014 at 6:38 PM, David A. Kovacic <d...@case.edu> wrote: > >> All, >> >> Yesterday evening one of our CAS 4.0.0 servers went from under a GB of >> heap usage to 3GB in a matter of about 10 minutes. The end result was that >> again the SSO service died (one server with a heap memory OoM error and the >> other trying to replicate the ehcache to the dead server. This was >> definitely not a memory leak issue as the servers had been restarted only >> earlier that morning, so they had only been up for about 17 hours or so. >> Out system monitors also indicated that the memory usage rather suddenly >> skyrocketed (over the course of about 20 minutes) so we suspect that the >> memory consumption is a symptom of some other issue. >> >> We have a heap dump but I am having a bit of trouble trying to analyze it >> with jvisualvm as I have never used the tool before. If I am interpreting >> the dump correctly, it appears that tickets only play a very small part of >> the overall memory usage (see screen shot). >> >> >> >> Has anyone heard or experienced anything like what we are seeing? This >> is becoming increasingly frustrating as every time we think we have the >> issues resolved and turn our attention elsewhere one server or the other >> crashes and takes the service down with it. >> >> Dave >> >> -- >> You are currently subscribed to cas-user@lists.jasig.org as: >> epditt...@digitalmisfits.com >> To unsubscribe, change settings or access archives, see >> http://www.ja-sig.org/wiki/display/JSG/cas-user >> >> > > > -- > Erik-Paul Dittmer > T: +31 (0) 64 761 87 57 > > Visit us at http://www.digitalmisfits.com > > - - - - - - - - - - - - - - - - - - - - - - - - - - > Digital Misfits does not accept any liability for any errors, omissions, > delays of receipt or viruses in the contents of this message which arise as > a result of e-mail transmission. > > -- > You are currently subscribed to cas-user@lists.jasig.org as: d...@case.edu > To unsubscribe, change settings or access archives, see > http://www.ja-sig.org/wiki/display/JSG/cas-user > > > -- > You are currently subscribed to cas-user@lists.jasig.org as: > cwaldbie...@gmail.com > To unsubscribe, change settings or access archives, see > http://www.ja-sig.org/wiki/display/JSG/cas-user > > -- You are currently subscribed to cas-user@lists.jasig.org as: arch...@mail-archive.com To unsubscribe, change settings or access archives, see http://www.ja-sig.org/wiki/display/JSG/cas-user
