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task #9268

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Check cdm for GC G1 humongous objects problem

Added by Andreas Kohlbecker over 1 year ago. Updated 2 months ago.

Status:
New
Priority:
New
Category:
cdmlib
Target version:
Start date:
Due date:
% Done:

10%

Estimated time:
Severity:
normal

Description

problems of the G1 when there are Objects >= 1MB in the heap:

https://dzone.com/articles/whats-wrong-with-big-objects-in-java

bei Exporten oder Importen betreffen, oder beim Indizieren.

If it turns out that the cdm is affected it might be a good idea to upgrade to java 11

I found this page on diagnosing humongous object allocation which seems to be of great help:

https://plumbr.io/handbook/gc-tuning-in-practice/other-examples/humongous-allocations


Files

g1-humongous-allocations.txt (33.6 KB) g1-humongous-allocations.txt Andreas Kohlbecker, 11/04/2020 11:28 AM

Related issues

Related to EDIT - task #6981: Migrate to Java 9 (to 11?)NewAndreas Müller05/04/202205/13/2022

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