Question about RS Set size

[Yu Zhang]

Hi,

Currently the region size is capped at 32MB.

It is good that you confirmed there is no coarsening. Is the high scanRS 
in mixed gc?  If it is, then there are some tunings you can try to 
reduce it.

Thanks,
Jenny

On 2/11/2015 4:12 PM, D vd Reddy wrote:
>
> Hi,
>       we are using G1 GC for heap size of about 92 - 96 GB and we 
> observed in the logs that Scan RS times were too high (comparable to 
> Object Copy time, Is this normal ?, I have checked that there are no 
> coarsening(s)). So in order to counter that we plan to decrease the 
> region count, currently we set it explicitly to 4096 with regionSize 
> to 32MB. My question is that if we drop setting regionSize and 
> decrease the regions to 2048 what will happen to region size, Can it 
> go above 32 MB and keep the regions to 2048 or is it capped at 32MB ?
>
>
> Thanks in advance
>
>
>
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