-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Peter,
On 8/3/2010 10:55 AM, Peter Buning wrote: > we tested our tomcat 5.5 server (Debian system) with the apache > benchmark tool. We send requests for a small png-file (300 bytes). > Nearly all requests were done in 0 or 1 milliseconds. But there were a > few request which needed more than 10 ms and the slowest request needed > 106 ms. Over what period of time? How often do the 106 and/or 10 responses occur? You may be encountering some simple thing like the OS wanting to get some of its own work done occasionally. > the 106 ms is logged in the access log file. We used the %D pattern for > the request time in millis. > > It seems not to be a network problem. We can see the same behavior with > a remote and a localhost test. Nevertheless, does anybody know, when > tomact exactly starts and stop the time for logging the request? The source code for org.apache.catalina.valves.AccessLogValve is available here: > http://svn.apache.org/repos/asf/tomcat/tc5.5.x/tags/TOMCAT_5_5_30/container/catalina/src/share/org/apache/catalina/valves/AccessLogValve.java Look at the "invoke" menu. > So, we want to know, why there are a few request that took so much more > time than the rest of the requests. Has anybody an idea where the time > can be consumed? Lots of things are being done by your computer other than running your webapp's code. There are lots of things that could be causing temporary slowdowns. - -chris -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkxYdzcACgkQ9CaO5/Lv0PBxOQCgg2pxc/Gaabg0VFo1IFN7qZbj Ts4AmgKsc/MjAOzz9ZYsh7PhuMZDzAZQ =CEl2 -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
