Yes, It is included in my spec. Open to use anything,it should be optimal for throughput. Regards bhanu
On Wed, Nov 8, 2017 at 8:00 PM, Ted Yu <yuzhih...@gmail.com> wrote: > Did you use G1GC ? > Thanks > -------- Original message --------From: John Yost <hokiege...@gmail.com> > Date: 11/8/17 5:48 AM (GMT-08:00) To: users@kafka.apache.org Cc: > ja...@scholz.cz Subject: Re: Kafka JVM heap limit > In addition, in my experience, a memory heap > 8 GB leads to long GC pauses > which causes the ISR statuses to constantly change, leading to an unstable > cluster. > > --John > > On Wed, Nov 8, 2017 at 4:30 AM, chidigam . <bhanu.ki...@gmail.com> wrote: > > > Meaning, already read the doc, but couldn't relate, having large Heap for > > JVM will not help > > Now it all make sense. > > Many thanks. > > Bhanu > > > > On Wed, Nov 8, 2017 at 2:34 PM, chidigam . <bhanu.ki...@gmail.com> > wrote: > > > > > Hi Jakub, > > > Thank you very much. I have read this concept I/O cache in design > > section. > > > But couldn't connect the dots. > > > > > > Regards > > > Bhanu > > > > > > On Wed, Nov 8, 2017 at 2:10 PM, Jakub Scholz <ja...@scholz.cz> wrote: > > > > > >> This is probably because Kafka uses quite heavily the disk cache > > >> maintained > > >> by the operating system instead of storing messages in the JVM memory. > > So > > >> the requirements for the heap memory can be fairly small. The design > > >> section of the documentation describes the details: > > >> http://kafka.apache.org/documentation/#design > > >> > > >> Jakub > > >> > > >> On Wed, Nov 8, 2017 at 9:30 AM, chidigam . <bhanu.ki...@gmail.com> > > wrote: > > >> > > >> > Hi All, > > >> > I have basic question on Kafka JVM configuration, in most of forums > I > > >> have > > >> > seen max heap as 8GB. Why it is not recommended beyond that. Is > there > > >> any > > >> > design limitation ? > > >> > Any help in this regards is highly appreciated. > > >> > > > >> > Regards > > >> > Bhanu > > >> > > > >> > > > > > > > > >
