Alberto Jesus La Rosa Agramonte wrote:
The hardware only, the software is 32 bits, and the jvm too. The
problem that it's spawning too many processes.
Alberto,
what a couple of other people on this list have already tried to tell
you - without apparently triggering any reaction from you - is that
"too many processes" is not a very precise or helpful expression.
Too many compared to what ? Compared to what you are expecting ?
compared to the number of requests your server is supposed to process ?
compared to the "maxThreads" attribute of the <Connector> element in
your server.xml configuration file (maybe a hint here) ?
If you have many requests to process very fast, then maybe the number of
processes (or probably threads) that you are seeing is normal and
correct, and your server just does not have enough memory for what you
are trying to do. Or maybe you need more servers. Or maybe you just
need a better application.
But you are not saying what you are trying to do, so it is hard to help you.
Maybe you would like to start again, describe your server (hardware,
software, application) and what your problem really is ?
2008/11/12 David kerber <[EMAIL PROTECTED]>:
Alberto Jesus La Rosa Agramonte wrote:
The tomcat run many processes and each process consumes 6 to 7 mb and
in a Period of time the server's memory is exhausted.
Is it running the "correct" number of processes, and you just don't have
enough memory for them, or is the problem that it's spawning too many
processes? If the former, then I'd say your best bet is to add more RAM.
If the later, then you need to look at your application, or limit the
number of threads Tomcat is allowed to use (I don't recall off the top of my
head what that setting is called).
Also, you said the "platform" is 64 bit; is that the OS, or just the
hardware? If the OS, do you have the 64-bit JVM installed?
D
2008/11/12 David kerber <[EMAIL PROTECTED]>:
Alberto Jesus La Rosa Agramonte wrote:
Hi, I have installed apache tomcat 5.5 and giving me problems with
memory, this is the configuration that I have now, someone can help me
to optimize this, or tell me if this right.The server have 3 gb of
RAM. Thanks
What kind of problems are you having? Using too much? Not using enough?
D
# Run Tomcat as this user ID (default: tomcat55). Set this to an empty
string
# to prevent Tomcat from starting.
#TOMCAT5_USER=tomcat55
# The home directory of the Java development kit (JDK). You need at
least
# JDK version 1.4. If JAVA_HOME is not set, some common directories for
# the Sun JDK, various J2SE 1.4 versions, and the free runtimes
# java-gcj-compat-dev and kaffe are tried.
JAVA_HOME="/usr/lib/jvm/java-6-sun-1.6.0.07"
# Directory for per-instance configuration files and webapps. It contain
the
# directories conf, logs, webapps, work and temp. See RUNNING.txt for
details.
# Default: /var/lib/tomcat5.5
#CATALINA_BASE=/var/lib/tomcat5.5
# Arguments to pass to the Java virtual machine (JVM)
# "-Djava.awt.headless=true -Xmx128M" is automatically set if
CATALINA_OPTS
# is left empty here
CATALINA_OPTS="-Djava.awt.headless=true -Xmx2048M -server \
-XX:MaxPermSize=512m \
-XX:+UseConcMarkSweepGC \
-XX:+CMSPermGenSweepingEnabled \
-XX:+CMSClassUnloadingEnabled"
# Java compiler to use for translating JavaServer Pages (JSPs). You can
use all
# compilers that are accepted by Ant's build.compiler property.
#JSP_COMPILER=jikes
# Use the Java security manager? (yes/no, default: yes)
# WARNING: Do not disable the security manager unless you understand
# the consequences!
# NOTE: java-gcj-compat-dev currently doesn't support a security
# manager.
TOMCAT5_SECURITY=no
# Timeout in seconds for the shutdown procedure (default: 30). The Java
# processes will be killed if tomcat5.5 has not stopped until then.
#TOMCAT5_SHUTDOWN=30
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