Re: Tomcat DBCP 8.0.18 issue

2015-06-03 Thread Антон Мацюк
Mark, big thanks for a quick historical review, it was very intreresting! I was thinking that tomcat-jdbc is something new, but wasn't sure about project maintenance. 2015-06-03 12:22 GMT+03:00 Mark Thomas ma...@apache.org: On 03/06/2015 07:24, Tweak Ronaldo wrote: Thanks Mark, yes I have

Re: Java Heap Space / Thread Dump Numbers

2015-03-23 Thread Антон Мацюк
2015-03-21 12:37 GMT+02:00 Антон Мацюк denixx.bay...@gmail.com: 2015-03-21 2:06 GMT+02:00 Eric Robinson eric.robin...@psmnv.com: Set this options to JVM, and it will make heapdumps automatically. Will these heap dumps be the same size as the current tomcat memory utilization? Yeap, and OOM

Re: Java Heap Space / Thread Dump Numbers

2015-03-21 Thread Антон Мацюк
2015-03-21 2:06 GMT+02:00 Eric Robinson eric.robin...@psmnv.com: I think if you have vendor-locked app in vendor-locked environment (am I right?) Yes indeed. So, worth a try, at least. Set this options to JVM, and it will make heapdumps automatically. Will these heap dumps be the same size

Re: Java Heap Space / Thread Dump Numbers

2015-03-20 Thread Антон Мацюк
2015-03-20 22:29 GMT+02:00 Eric Robinson eric.robin...@psmnv.com: Very good information. I much prefer finding the actual root causes of things rather than just bumping the memory, but I'm not sure how much that would help because the best I can do is report the issue to the vendor.

Re: Java Heap Space / Thread Dump Numbers

2015-03-20 Thread Антон Мацюк
2015-03-20 1:15 GMT+02:00 Eric Robinson eric.robin...@psmnv.com: Heap dumps? What we do is called a thread dump, as far as I know. We use kill -3 on Linux, which dumps the thread activity. The memory data shows up at the bottom of that. See:

Re: Java Heap Space / Thread Dump Numbers

2015-03-20 Thread Антон Мацюк
2015-03-20 22:09 GMT+02:00 Eric Robinson eric.robin...@psmnv.com: I've posted above some howtos, have you looked at them? No, I'm not sure how useful I would find them. I think the heap summary is probably all I need, but I may be wrong. Would the heap dump provide more actionable intel as

Re: Java Heap Space / Thread Dump Numbers

2015-03-19 Thread Антон Мацюк
Eric, if you are looking for a reasons and think, what can be done with OOMs, take a look at this page: http://www.oracle.com/technetwork/articles/java/vmoptions-jsp-140102.html There is an options: -XX:-HeapDumpOnOutOfMemoryError - it will make heapdump on OOM.

Re: when idle tomcat runs on 3.9% CPU

2015-02-27 Thread Антон Мацюк
2015-02-27 16:32 GMT+02:00 Christopher Schultz ch...@christopherschultz.net: How much memory is in this thing? It varies, 256MB or 512MB for model B, if I remember it right. Have one serving DHCP at home :) - To unsubscribe,

Re: Connection leak Tomcat7 and Oracle

2015-02-27 Thread Антон Мацюк
2015-02-27 1:36 GMT+02:00 Mark Thomas ma...@apache.org: On 26/02/2015 22:56, Christopher Schultz wrote: The solution is to put your Resource into your application's s/The solution/The best solution/ context.xml and not into the site-wide defaults. Konstantin may not have spelled-out