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Experiencing large logging since Oracle 19.29

  • Nov 26, 2025 8:06 AM UTC
  • 3 replies
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Dear all

We experience large amount of trace logs since upgrading Oracle from 19.26 to 19.29.

Within 24 hours we used to have something around 200 to 300MB. Now we are at 5 - 6 GB per day.

IFS / Oracle case so far recommended to add this parameter:

Disable these warnings entirely by setting parameter _kgl_large_heap_warning_threshold to 0.
alter system set "_kgl_large_heap_warning_threshold"=0 scope=spfile ;
alter system set "_kgl_large_heap_assert_threshold"=0 scope=spfile ;

this has decreased it to roughly 1 GB per day, which is still rather large.

Anybody experiencing the same issue?

Best answer by dmpota

Hi ​@dominikdurrer ,

 

we are currently waiting for the merge of BUG 38658309 ( was fixed this week wednesday)

 https://support.oracle.com/epmos/faces/BugDisplay?id=38658309&parent=SrDetailText&sourceId=3-42808963691

 

hoping we get the merge patch by today.

 

kind regards, Andreas

 

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3 replies

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  • Do Gooder (Customer)
  • Answer
  • Nov 27, 2025 11:08 AM UTC

Hi ​@dominikdurrer ,

 

we are currently waiting for the merge of BUG 38658309 ( was fixed this week wednesday)

 https://support.oracle.com/epmos/faces/BugDisplay?id=38658309&parent=SrDetailText&sourceId=3-42808963691

 

hoping we get the merge patch by today.

 

kind regards, Andreas

 


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  • Do Gooder (Customer)
  • Dec 12, 2025 8:35 AM UTC

​@dominikdurrer 

the bugfix worked as expected. Tracefile-size is back to normal


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  • Author
  • Hero (Customer)
  • Dec 12, 2025 8:44 AM UTC

​@dmpota I can confirm the same