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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=5735 HTTP connector running out of processors under heavy load [EMAIL PROTECTED] changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |[EMAIL PROTECTED] Status|RESOLVED |REOPENED Resolution|WORKSFORME | ------- Additional Comments From [EMAIL PROTECTED] 2002-04-17 18:50 ------- I can confirm that we are definately getting this same problem in our production environment. This is a major and urgent issue for us, our business is riding on it. We are using: Tomcat 4.0.3 Solaris 2.7 Heap 128 min, 256 max JSK 1.3.0.2 Thread pool min 5, 255 max We actually run our of heap at around 140 threads, but are seeing the same pattern. - Things are fine for a while - At a seemingly randon amount of time (usualy several hours) after restart, the Catalina log shows thread creation going crazy: 2002-04-17 01:54:03 HttpProcessor[443][11] Starting background thread 2002-04-17 04:51:02 HttpProcessor[443][12] Starting background thread 2002-04-17 04:52:45 HttpProcessor[443][13] Starting background thread 2002-04-17 04:52:45 HttpProcessor[443][14] Starting background thread 2002-04-17 04:52:45 HttpProcessor[443][15] Starting background thread 2002-04-17 04:52:45 HttpProcessor[443][16] Starting background thread 2002-04-17 04:52:45 HttpProcessor[443][17] Starting background thread 2002-04-17 04:52:45 HttpProcessor[443][18] Starting background thread 2002-04-17 04:52:45 HttpProcessor[443][19] Starting background thread 2002-04-17 04:52:45 HttpProcessor[443][20] Starting background thread 2002-04-17 04:52:46 HttpProcessor[443][21] Starting background thread .. .. .. .. 2002-04-17 04:56:43 HttpProcessor[443][127] Starting background thread 2002-04-17 04:56:43 HttpProcessor[443][128] Starting background thread 2002-04-17 04:56:43 HttpProcessor[443][129] Starting background thread 2002-04-17 06:20:20 HttpConnector Opening server socket on all host IP addresses 2002-04-17 06:20:20 HttpConnector Opening server socket on all host IP addresses The gap in the log at 4:56 is the server getting an out-of-memory exception and becoming unresponsive to further resquests (including shutdown). We have to kill manually and restart. During this same time people, we see a huge jump in the amount of memory being used by the JVM for this process. I guess that's why we run out of heap, before we can run out of threads. Sorry for the lack of appropriate detail, I am not the sys admin. Please let me know what better information we can provide. This is happening daily for us, in our (24x7) prod system.... -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
