08-05-2005
inside the JVM
Hi, does anyone know how to find out what's happening inside a JVM on a unix system? Like what processes are running, which ports, memory usage etc.
I'm using AIX 5.2
10 More Discussions You Might Find Interesting
1. Filesystems, Disks and Memory
Hi all,
Thanks 'thehoghunter' and 'hugo' for the comments!
I've to increase the size of the heap size for AIX 4.3.3. Now what's the command that I've and also is it something similar to growing the file system in Solaris (growfs) (1 Reply)
Discussion started by: i2admin
1 Replies
2. UNIX for Dummies Questions & Answers
Hi Everyone I`ve just started with unix can some please help me execute this command via webmin on avirtual server or how do you execute such .bin file this is the error
./j2sdk-1_3_1_15-linux-i586.bin: not found
> ls -l
total 69124
-rw------- 1 root wheel 8380 May 15 18:01... (2 Replies)
Discussion started by: J.Carlos MC05
2 Replies
3. AIX
What should be the idle JVM setting for the LPAR having 16 GB of memory? Currently the JVM setting is set to
-Xms1024M -Xmx10240M (1 Reply)
Discussion started by: aajmani
1 Replies
4. AIX
Friends,
Can any one tell me what command should be used to check whether the JVM in AIX is 32 bit or 64 bit?
Thanks,
Govindh (2 Replies)
Discussion started by: Govindh.v
2 Replies
5. AIX
Hi all,
I'm trying to do JVM invocation from C++ in AIX 6.1. So inorder to do that, i'm loading libjvm.a.
When i load the libjvm.a from the path where jre is installed (i.e /usr/java5/jre/bin/classic), it loads correctly and the program works correctly.
But according to my requirement, the... (0 Replies)
Discussion started by: d_ccc
0 Replies
6. Web Development
hi all i want to install apache and tomcat in unix solaris 10 so i need to konw about heap and jvm memory architecture in jdk version 4 and 5 and 6 i want one help me i searched alot and i can't find something helo me (1 Reply)
Discussion started by: maxim42
1 Replies
7. Shell Programming and Scripting
/apps/wls/bea10/jdk160_05/bin/java -d64 -version
execve(): No such file or directory
Error trying to exec /apps/wls/bea10/jdk160_05/bin/sparcv9/java.
Check if file exists and permissions are set correctly.
Failed to start a 64-bit JVM process from a 32-bit JVM.
Verify all necessary J2SE... (8 Replies)
Discussion started by: mohtashims
8 Replies
8. UNIX for Advanced & Expert Users
Hello,
i need just a Unix command line (AIX 6) that gives me the memory/CPU used by a WebSphere JVM from it's PID such as ps -ef | grep 'jvm name'.
I know jstat -gc PID but it didn't work
Could you help me please
Thanks
Christian (1 Reply)
Discussion started by: steiner
1 Replies
9. UNIX for Dummies Questions & Answers
Hi all,
I am starting a JVM in unix and when I use ps command on the pid of process starting JVM the output is something like this :-
java -Xms32M -Xmx64M -Xmx128M
I need to know what would be the value of Xmx in this case.
And how to check that this value be picked while starting JVM... (3 Replies)
Discussion started by: Raj999
3 Replies
10. AIX
Hi -
In AIX, how do I find the Java Virtual Machine Process Name running on a particular machine?
I tried ps -ef | grep java
but it does not return a process name.
Please help. (4 Replies)
Discussion started by: ocbit
4 Replies
LEARN ABOUT HPUX
serialize
serialize(2) System Calls Manual serialize(2)
NAME
serialize() - force target process to run serially with other processes
SYNOPSIS
DESCRIPTION
The system call is used to force the target process referenced by the pid value passed in to run serially with other processes also marked
for serialization. If the value of pid is zero, then the currently running process is marked for serialization. Once a process has been
marked by the process stays marked until process completion, unless is reissued on the serialized process with timeshare set to 1. If
timeshare is set to 1, the process specified in pid will be returned to normal timeshare scheduling algorithms.
This call is used to improve process throughput since process throughput usually increases for large processes when they are executed seri-
ally instead of allowing each program to run for only a short period of time. By running large processes one at a time, the system makes
more efficient use of the CPU as well as system memory, since each process does not end up constantly faulting in its working set, to only
have the pages stolen when another process starts running. As long as there is enough memory in the system, processes marked by behave no
differently from other processes in the system. However, once memory becomes tight, processes marked by are run one at a time with the
highest priority processes being run first. Each process runs for a finite interval of time before another serialized process is allowed
to run.
RETURN VALUE
returns zero upon successful completion, or nonzero if the system call failed.
ERRORS
If fails, it sets (see errno(2)) to the following value:
The pid passed in does not exist.
WARNINGS
The user has no way of forcing an execution order on serialized processes.
AUTHOR
was developed by HP.
SEE ALSO
serialize(1), privileges(5).
serialize(2)