blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px
#715FFA solid !important; padding-left:1ex !important; background-color:white
!important; } Thanks for getting back to me. The Linux version is 6.8. I am
unable to reclaim the memory on the system without a reboot . Though i kill my
process, i dont see where the memory went. When I run the application in
windows I get no problems. The only difference I can see are the parameters
and jmx. I will try to remove all the parameters and start from scratch.
How do I get you raw data? This is observe behavior using top and free. I am
working with our admin to determine a solution.
Thanks
Sent from Yahoo Mail for iPhone
On Friday, March 17, 2017, 8:54 AM, Christopher Schultz
<ch...@christopherschultz.net> wrote:
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Eric,
On 3/16/17 11:01 PM, Eric Chua wrote:
> I am running tomcat 8.0.121. When I start my tomcat, it seems to
> be eating up all the memory on my system. I have 16 GB, and it
> keeps on going.
What are your memory-related parameters when you launch the JVM?
Note that Java *never* gives any memory back to the OS, even when the
heap-usage goes down. This is a Java thing, not a Tomcat thing.
> Then when I try to kill the process, it dies but 12 GB is still
> being used even though everything is turn off.
That makes no sense at all. Please provide some evidence this is
happening.
> The only way to reclaim the memory is to reboot.
If this is true, then you have some kind of awful kernel bug.
> I am running on redhat 6.5 and can't figure out what could be
> causing this. I run the tomcat as a local user, and I know there
> aren't any other processes running as the local user. I am running
> a spring MVC 4/Java 8/ struts web application. I have two of them
> with the same issue. Any help would be appreciated. When I try to
> view all the running processes I cannot see where most of the 12 gb
> are being used. The system came up with 2.2 gb used and after I
> start one web application it goes to 14-15gb.
Ok.
> The funny thing is that I can kill it to reclaim the memory. Only
> a reboot works.
You mean you CAN'T kill in to reclaim memory, right?
> I am running a VMware instance with vcenter version 6.5. This
> does not happen with Java 7 with tomcat 7. Any help would be
> appreciate.
Something tells me you are reading or interpreting something
incorrectly, here. Can you please share your raw data, and where you
got that raw data? Something like reports from free/ps/top/sar/etc.?
- -chris
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