OK, thanks - I'll do it from now (really - never used this file before, just now found reference to it in catalina.bat) . But - last question, please: in setenv.bat - must be used CATALINA_OPTS or JAVA_OPTS?
2014/1/27 Christopher Schultz <ch...@christopherschultz.net> > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Арсений, > > On 1/27/14, 10:58 AM, Арсений Зинченко wrote: > > Thanks, Christopher. > > > > OK, what about next: > > > > Set JAVA_OPTS as system variable (for all other applications); and > > create setenv.bat in /bin/ directory with CATALINA_OPTS whith > > Xmx/Xms for Tomcat? > > > > Will it be more correctly than set CATALINA_OPTS as System > > variable? Or - by the way, in setevn.bat must be used JAVA_OPTS > > too? <https://plus.google.com/u/0/113253806461878935497?prsrc=4> > > > > > > 2014/1/27 Christopher Schultz <ch...@christopherschultz.net> > > > > Арсений, > > > > On 1/27/14, 9:21 AM, Арсений Зинченко wrote: > >>>> We have a little dispute with my colleague about using this > >>>> variables. > >>>> > >>>> So: have Windows-box machine. On it - runing few different > >>>> Java-application, including Tomcat. > >>>> > >>>> Needs to set memory for Tomcat other, than for all other > >>>> Java-applications. > >>>> > >>>> My proposal is set to System variables: > >>>> > >>>> JAVA_OPTS "-Xmx1024M -Xms512M -XX:MaxPermSize512M" > >>>> CATALINA_OPTS "-Xmx4096M -Xms2048M -XX:MaxPermSize=1024M" > >>>> > >>>> But, as he asserts - this is not correct way: > >>>> > >>>> > >>>> - CATALINA_OPTS must NOT contain memory limits like "Xmx", > >>>> "Xms" etc; - Java Garbage collector will work differently > >>>> because JAVA_OPTS have another opts for memory then > >>>> CATALINA_OPTS, so - this will worse Tomcat performance; - and > >>>> so on > > > > Tomcat runs Java roughly in this way: > > > > $JAVA_HOME/bin/java $JAVA_OPTS $CATALINA_OPTS \ > > org.apache.catalina.startup.Bootstrap > > > > If you have these options configured using both environment > > variables, then CATALINA_OPTS (the later one) will win because > > that's how the JVM parses arguments: the last one on the > > command-line wins. So, it's perfectly safe to do what you have > > described above. > > > > On the other hand, note that since JAVA_OPTS specifies 0.5GiB of > > heap space for when you are /not/ launching Tomcat, then running > > "bin\shutdown.bat" will pre-allocate 0.5GiB of heap space just to > > send the "shutdown" command to a running Tomcat instance, and then > > terminate. It's kind of a waste. > > > > I totally agree with Dan's comments about how using "system > > variables": just use bin/setenv.bat and keep everything locally. > > > >>>> His suggestion is to set JAVA_OPTS with memory limits exactly > >>>> to Tomcat startup script (not as system variable at all). > > > > +1 > > > >>>> So, my question is: is it correct to set memory limits for > >>>> Tomcat via CATALINA_OPTS variable? If in system also present > >>>> JAVA_OPTS - will it have influence on to Tomcat's > >>>> perfarmance? > > > > See above. > > > > -chris > > I would always recommend that you use bin/setenv.sh (or > bin\setenv.bat) because you can then set the value differently for > each Tomcat instance that you have. This becomes an issue if you have > many different Tomcat instances, which I tend to do. > > - -chris > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1 > Comment: GPGTools - http://gpgtools.org > Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ > > iQIcBAEBCAAGBQJS5oLSAAoJEBzwKT+lPKRY8BMP/06E75p4L2fx75ekKgyVFuVX > vM/tBcP3ulHlEVHAzcTl+gNui4Px0hjRRdKBxU9in/gSRSsD2xkJJa5eXF0EvSn1 > e9BNiVY78JZITSu1wBar0YmIf11EJEtGhhtj/fSkJUxIMhp9YYpM1s9CrxckkIef > WFQZOnLVdWUq2xxkPiY8AbK7h5zDgo+riBd4HcSC6ymPT0oYCldGIZki7nZ8lxMb > G3i52aTCiuaOlKYBhdKBsfDdkFJvqF+zZEXdsw+FKP+mKZvpEt5Fn1cWSTX7FXxS > mWApl7J8FZW+zwX734qUw3ThLIbY2RCwT78VPkPcHK9rbWcKbI4UQ1WIGZeL5U+K > IqX1MOIJ+dVCJ7rgvtjYWYlfDoovYqfJ6vCoPU5I3Xh0CMzGaKMZY/QZ+gFUXtdu > 0ym/DQJB13cgjWbOi4YFeL8jNRjgui2UkdtThOzfSzL4eY3C+L5Ca0bb/ExReWTb > X05q1RVeTB6rTScTYiPCNMKfZ7S2JnXcoXgEeHpKoGo8EPClKLGlLRmFplk/U4Do > ZdCLLjCavrkEVg6pUEf7UZDJ/qH/VDC0nyNnqJJQHRhjUBh/bMR1yjrzNOnkLOeV > x0BMEHK8ND76EZ0L5+bwZlAQxvCqjQ/vH1IBmrUsjS60rgMyocJB//UDIZOEOAiq > 9MXTB+fLRv2ziADmiWJ1 > =QPaR > -----END PGP SIGNATURE----- > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
