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Maximum heap size for 64bit JVM

843829Jun 20 2008 — edited Jun 24 2008
Hi,

I am trying to set the maximum heap size for a java process in a 64bit JVM . I am not able to set more then 3G

command line config:
java -Xms64m -Xmx3g -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.port=8000 com.superpages.puboptions.CampaignFeedStarter >> publisher.out 2>&1 &



Hardware / software configs
*$uname -a*
SunOS labsbear 5.9 Generic_122300-19 sun4u sparc SUNW,Sun-Fire-V440
*16GB total physical memory*
*4 processor machine*

*64 bit JVM*
JDK1.6

where is this limitation coming from. How to set the heap size to 6g.

Thanks for your time

Meena

Comments

fac586 
Marko Goricki wrote:
is there a way to generate URL for calling APEX page with checksum at the end of the link if URL is generated outside of APEX?
If I call function like this one outside of APEX, checksum is not generated:
  1. createorreplacefunctionf_get_apex_url
  2. returnvarchar2
  3. is
  4. begin
  5. returnapex_util.prepare_url(p_url=>'f?p=100:1:0::::P1_ITEM:1'
  6. ,p_checksum_type=>'PUBLIC_BOOKMARK');
  7. end;
  8. /
I've noticed that by populating global variable (g_curr_flow_security_group_id) in wwv_flow_security function works fine:create or replace function f_get_apex_u
  1. createorreplacefunctionf_get_apex_url
  2. returnvarchar2
  3. is
  4. begin
  5. apex_050100.WWV_FLOW_SECURITY.G_CURR_FLOW_SECURITY_GROUP_ID:=1830663391033130;
  6. returnapex_util.prepare_url(p_url=>'f?p=100:1:0::::P1_ITEM:1'
  7. ,p_checksum_type=>'PUBLIC_BOOKMARK');
  8. end;
  9. /
But, I don't like the fact that this function depends on current APEX version.

There are documented, version-independent API methods for setting the security group ID:

Marko Goricki

Hi fac586,

thanks for quick answer.

I've tried to use set_security_group_id and as far as I know it sets wwv_flow_security.g_security_group_id global variable and not g_curr_flow_security_group_id which apparently is important for generating checksum.

I forgot to note that I've tested this on APEX 5.1.3.00.05.

Br,

Marko

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Post Details

Locked on Jul 22 2008
Added on Jun 20 2008
#java-virtual-machine-jvm
3 comments
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