Hi. I have a server with 4gb ram and Tomcat7. It was dspace 3.3 installed and I have xms512 and xmx1024 attributes for Tomcat.
Now I have DSpace 5.2 (update of current instalation) and I hate such things in tomcat stderr logs: ---------------------------------------------------------------------------- --------- INFO: Error parsing HTTP request header Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level. ¦¬TО¦- 05, 2015 4:38:15 PM org.apache.coyote.http11.AbstractHttp11Processor process INFO: Error parsing HTTP request header Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level. Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-76" Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-89" Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-65" Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-87" ****** many strings like this ********* Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-315" Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-323" Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-334" Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-343" Exception: jav¦¬TО¦- 06, 2015 12:16:36 AM org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor run SEVERE: Unexpected death of background thread ContainerBackgroundProcessor[StandardEngine[Catalina]] java.lang.OutOfMemoryError: PermGen space a.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-335" Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-317" Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-346" Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-309" Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-356" ****** many strings like this ********* Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-446" Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-449" Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "http-bio-80-exec-156" Exceptio¦¬TО¦- 06, 2015 9:00:08 PM org.apache.coyote.AbstractProtocol pause INFO: Pausing ProtocolHandler ["http-bio-80"] ---------------------------------------------------------------------------- -------- Now I comment a string <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" /> on my server.xml and make that ram configuration: -Xms512M -Xmx1536M -XX:PermSize=128m -XX:MaxPermSize=512m What else can I do to improve a stability of the system? ------------------------------------------------------------------------------ _______________________________________________ DSpace-tech mailing list DSpace-tech@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dspace-tech List Etiquette: https://wiki.duraspace.org/display/DSPACE/Mailing+List+Etiquette
