Re: if the heap size exceeds 32GB..

2018-02-13 Thread Thakrar, Jayesh
, 0x7ff26000, 0x7ff26000) region size 32768K, 0 young (0K), 0 survivors (0K) Metaspace used 34162K, capacity 35315K, committed 35328K, reserved 36864K } [Times: user=0.67 sys=0.00, real=0.66 secs] From: Jeff Jirsa <jji...@gmail.com> Date: Tuesday, February 13, 2018 at

Re: if the heap size exceeds 32GB..

2018-02-13 Thread Jeff Jirsa
inmau...@dynatrace.com> >> *Date: *Tuesday, February 13, 2018 at 1:49 AM >> *To: *"user@cassandra.apache.org" <user@cassandra.apache.org> >> *Subject: *RE: if the heap size exceeds 32GB.. >> >> >> >> Stick with 31G in your case. Another ar

Re: if the heap size exceeds 32GB..

2018-02-13 Thread James Rothering
ure you are aware of what else needs to be done. > > > > *From: *"Steinmaurer, Thomas" <thomas.steinmau...@dynatrace.com> > *Date: *Tuesday, February 13, 2018 at 1:49 AM > *To: *"user@cassandra.apache.org" <user@cassandra.apache.org> > *Subject:

Re: if the heap size exceeds 32GB..

2018-02-13 Thread Thakrar, Jayesh
ust the heap, so make sure you are aware of what else needs to be done. From: "Steinmaurer, Thomas" <thomas.steinmau...@dynatrace.com> Date: Tuesday, February 13, 2018 at 1:49 AM To: "user@cassandra.apache.org" <user@cassandra.apache.org> Subject: RE: if the heap size exc

RE: if the heap size exceeds 32GB..

2018-02-12 Thread Steinmaurer, Thomas
size exceeds 32GB.. https://www.elastic.co/guide/en/elasticsearch/guide/current/heap-sizing.html#compressed_oops According to the article above, if the heap size of the JVM is about 32GB, it is a waste of memory because it can not use the compress object pointer. (Of course talking about ES

Re: if the heap size exceeds 32GB..

2018-02-12 Thread Ben Wood
Here is a useful guide on tuning Cassandra heap https://docs.datastax.com/en/cassandra/3.0/cassandra/operations/opsTuneJVM.html#opsTuneJVM__tuning-the-java-heap . TL;DR You wouldn't want to allocate more than 1/2 of physical memory to heap so you wouldn't exceed 32 GB anyway. On Mon, Feb 12,

if the heap size exceeds 32GB..

2018-02-12 Thread Eunsu Kim
https://www.elastic.co/guide/en/elasticsearch/guide/current/heap-sizing.html#compressed_oops According to the article above, if the heap size of the JVM is about 32GB, it is a waste of memory because