Hi, yes, I tried, but the documented log output would never appear anywhere in my logs. These are the options I'm using:
-verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps Despite these settings, I can't see ANYTHING in the logs about GC. I don't know what I'm doing wrong there? Maik > Am 24.01.2016 um 13:27 schrieb Bogdan Zlatanov <bogdan.zlata...@gmail.com>: > > Hi, > > Have you tried tracing the garbage collection -> > https://docs.oracle.com/cd/E19159-01/819-3681/abeig/index.html? > > Cheers, > Bogdan > >> On 24/01/2016 13:01, Musall Maik wrote: >> Hi, >> >> I have an application that often becomes laggy and shows slow responses >> almost every day around 5 pm. The instance has daily scheduled restarts at 5 >> am, so it occurs after 12 hours of use. When I restart it preemptively at 3 >> pm, the problem does not occur. When I don't, users suffer bad response >> times on many requests, but not all. >> >> Users are computing heavy statistics in this application, instance size >> (mostly snapshot cache) at that time is usually about 50 GByte, while Xmx is >> 84 GByte, and XX:MaxPermSize is 1024m. The biggest instance size I've seen >> so far in production is 61 GByte, so 50 seems not like a limit where >> something weird happens. >> >> CPU, memory, filesystem, database and network all show nothing special >> before and after 5 pm. I monitored the instance with jvisualvm to no avail. >> I've been searching for the reason for quite some time now, so I'd >> appreciate any suggestion you might have what else to check. >> >> Thanks >> Maik >> >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/webobjects-dev/bogdan.zlatanov%40gmail.com >> >> This email sent to bogdan.zlata...@gmail.com > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/webobjects-dev/maik%40selbstdenker.ag > > This email sent to m...@selbstdenker.ag _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
