Details
-
Improvement
-
Status: Open
-
Major
-
Resolution: Unresolved
-
None
-
None
-
None
Description
Good afternoon,
We have a POC Geode cluster and few regions have pretty short TTLs for keys, thus sometimes we experience spikes in garbage collection pauses due to eviction of large amount of weak references. I tried to switch cluster to Oracle new ZGC (it supposed to process weak roots concurrently, so theoretically there will be trade off long pauses for CPU usage spikes), but I am getting this error when starting a server:
[error 2019/11/20 13:01:58.302 PST <main> tid=0x1] No tenured pools found. Known pools are: [(Name=CodeHeap 'non-nmethods';Type=Non-heap memory;UsageThresholdSupported=true), (Name=Metaspace;Type=Non-heap memory;UsageThresholdSupported=true), (Name=ZHeap;Type=Heap memory;UsageThresholdSupported=true), (Name=CodeHeap 'profiled nmethods';Type=Non-heap memory;UsageThresholdSupported=true), (Name=CodeHeap 'non-profiled nmethods';Type=Non-heap memory;UsageThresholdSupported=true)]
(OpenJDK v13.0.1)
Could you please implement support for new generation of low pause garbage collectors?
Thanks.
Regards,
Alex Dubrouski
Attachments
Issue Links
- is related to
-
GEODE-7484 Add support for Shenandoah GC
- Open