Thanks Jeff.
On Fri, Aug 31, 2018 at 1:01 PM Jeff Jirsa wrote:
> Read heavy workload with wider partitions (like 1-2gb) and disable the key
> cache will be worst case for GC
>
>
>
>
> --
> Jeff Jirsa
>
>
> > On Aug 31, 2018, at 10:51 AM, Carl Mueller
> >
> wrote:
> >
> > I'm assuming that p99
Read heavy workload with wider partitions (like 1-2gb) and disable the key
cache will be worst case for GC
--
Jeff Jirsa
> On Aug 31, 2018, at 10:51 AM, Carl Mueller
> wrote:
>
> I'm assuming that p99 that Rocksandra tries to target is caused by GC
> pauses, does anyone have data pattern
I'm assuming that p99 that Rocksandra tries to target is caused by GC
pauses, does anyone have data patterns or datasets that will generate GC
pauses in Cassandra to highlight the abilities of Rocksandra (and...
Scylla?) and perhaps this GC approach?
On Thu, Aug 30, 2018 at 8:11 PM Carl Mueller
w
Oh nice, I'll check that out.
On Thu, Aug 30, 2018 at 11:07 AM Jonathan Haddad wrote:
> Advertised, yes, but so far I haven't found it to be any better than
> ParNew + CMS or G1 in the performance tests I did when writing
> http://thelastpickle.com/blog/2018/08/16/java11.html.
>
> That said, I d
Advertised, yes, but so far I haven't found it to be any better than
ParNew + CMS or G1 in the performance tests I did when writing
http://thelastpickle.com/blog/2018/08/16/java11.html.
That said, I didn't try it with a huge heap (i think it was 16 or 24GB), so
maybe it'll do better if I throw 50
https://www.opsian.com/blog/javas-new-zgc-is-very-exciting/
.. max of 4ms for stop the world, large terabyte heaps, seems promising.
Will this be a major boon to cassandra p99 times? Anyone know the aspects
of cassandra that cause the most churn and lead to StopTheWorld GC? I was
under the impres
