Re: Java 11 Z garbage collector

2018-08-30 Thread Carl Mueller
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

Re: Java 11 Z garbage collector

2018-08-30 Thread Jonathan Haddad
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

Java 11 Z garbage collector

2018-08-30 Thread Carl Mueller
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

Re: Yet another repair solution

2018-08-30 Thread Dinesh Joshi
In the meanwhile, do you think you could highlight the features of your repair solution / sidecar? Dinesh > On Aug 30, 2018, at 4:57 AM, Marcus Olsson wrote: > > Great to see that there is an interest! As there currently are some internal > dependencies etc. in place there is still some work

Re: Yet another repair solution

2018-08-30 Thread Marcus Olsson
Great to see that there is an interest! As there currently are some internal dependencies etc. in place there is still some work to be done before we can publish it. I would expect this to take at least a few weeks, to try set the correct expectations. Best Regards Marcus Olsson On tis,

Re: Supporting multiple JDKs

2018-08-30 Thread Mick Semb Wever
Hey Sumanth, could you clear a few things up for me… > C* 2.2 > > I'm still a bit confused as to what's the benefit in compiling with > > jdk1.7 and then testing with jdk1.7 or jdk1.8 > > I meant two separate workflows for each JDK i.e. > Workflow1: Build against jdk1.7, and optionally run

Re: TTL of paxos table

2018-08-30 Thread kurt greaves
It's just that compaction hasn't occured. TTL works even though GCGS is 0. There's been multiple discussions around this in the past, but we haven't come to a consensus yet though. Some proposals to change compaction strategy, some want to make it customisable. Treating paxos as sub-tables has