On 14 Feb 2012, at 17:11, Christopher Schultz
<ch...@christopherschultz.net> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Alfredo,
>
> On 2/14/12 10:05 AM, Alfredo Alessandrini wrote:
>> Now I've put in setenv.sh this settings:
>>
>> export JAVA_OPTS="-Xms64m -Xmx128m -XX:MaxPermSize=128m"
>
> So, you have a user limit of 256MiB and you have your heap set to
> 128MiB and your max perm gen set to 128MiB. What about thread stacks?
> What about native stack and heap?
>
> There's a lot to a Java process besides what -Xmx can limit.
>
> Also, if your *user* is limited to 256MiB then you also have to think
> about all the other things you are going to want to run -- like
> /bin/sh, /bin/ls, etc. that also take a bit of memory. You're going to
> need to start up a JVM in order to shut-down Tomcat if you want to use
> bin/shutdown.sh (there are other ways to shut down Tomcat if that's a
> problem).
>
> I'm not sure there is a way to tell Java not to use more than a
> particular amount of total memory. If it were me, I'd make the maximum
> heap size as small as you think you can get away with (can you do
> 32MiB? 64MiB?) and leave everything else alone until you have a problem.

Or just get a mess restrictive hosting environment.


p


>
> - -chris
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG/MacGPG2 v2.0.17 (Darwin)
> Comment: GPGTools - http://gpgtools.org
> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
>
> iEYEARECAAYFAk86lbYACgkQ9CaO5/Lv0PBvbQCglpC2svqYOLsAm9ZNiqDZlSE7
> X3oAn2K3TomYc20Hki+sT3Aj9TOKQr82
> =/siH
> -----END PGP SIGNATURE-----
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
>

---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
For additional commands, e-mail: users-h...@tomcat.apache.org

Reply via email to