That might have been true for JRE 1.4, but newer versions have multi-generation garbage collectors that seldom cause program pauses.

It sounds to me like there is a problem in the connection pool or in the database itself.

-Adrian

On 6/21/2012 4:52 PM, Mike wrote:
Sounds like classic garbage collection.  Java freezes while it sifts
through memory looking for stuff to delete.  The larger the memory, the
longer it takes.

-Xms2048M -Xmx2048M -server -Xincgc

Try the above.  The -Xincgc will continuously GC on a separate, slow
running thread.  Also, run a separate instance of OFBiz for
frontend/back-end, connected to same DB.

On Thu, Jun 21, 2012 at 8:47 AM, Deepak Agarwal<[email protected]>wrote:

Memory and CPU remain good. memory hardly reaches 1 GB and cpu few
percentage.

On Thu, Jun 21, 2012 at 9:14 PM, Mike<[email protected]>  wrote:

What does the "Memory Total" line say on the "WebToosl/Cache Maintenance"
menu?

On Thu, Jun 21, 2012 at 8:38 AM, Deepak Agarwal<[email protected]
wrote:
-Xms2048M -Xmx2048M -XX:MaxPermSize=1024m -server

On Thu, Jun 21, 2012 at 9:03 PM, Mike<[email protected]>  wrote:

What are the java memory settings for starting OFBiz?  Mine:

JAVA_VMOPTIONS="-Xms1280M -Xmx1524M -server -Xincgc"



On Thu, Jun 21, 2012 at 8:14 AM, Deepak Agarwal<
[email protected]
wrote:
We are expereicing frequent table locks for Shipping table , visit
and
server_hit table. Even with 3-4 users working we are getting
gateway
timeout because queries doesn't return . At db level it shows
locked
the
table (and takes 40-50 sec to execute the update query).
Servers are multi core, 8GB RAM, 10k RPM harddrive. I guess it is a
good
configuration. All the optimization has been done (like table cache
increase, cache disable for ofbiz...etc).

Any suggestions? Any body having the same problem ?

--
Thanks,
Deepak Agarwal,

--
Thanks,
Deepak Agarwal,



--
Thanks,
Deepak Agarwal,

Paxcel Technologies Pvt Ltd.
Hartron Complex, Sector 18, Gurgaon, India.
E-Mail: [email protected]
Mobile: +91 9910322604


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