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From William Bell <billnb...@gmail.com>
Subject Re: Garbage Collection tuning - G1 is now a good option
Date Fri, 02 Jan 2015 01:35:09 GMT
But tons of people on this mailing list do not recommend AggressiveOpts

Why do you recommend it?

On Thu, Jan 1, 2015 at 12:10 PM, Shawn Heisey <apache@elyograg.org> wrote:

> I've been working with Oracle employees to find better GC tuning
> options.  The results are good enough to share with the community:
>
> https://wiki.apache.org/solr/ShawnHeisey#GC_Tuning
>
> With the latest Java 7 or Java 8 version, and a couple of tuning
> options, G1GC has grown up enough to be a viable choice.  Two of the
> settings on that list were critical for making the performance
> acceptable with my testing: ParallelRefProcEnabled and G1HeapRegionSize.
>
> I've included some notes on the wiki about how you can size the G1 heap
> regions appropriately for your own index.
>
> Thanks,
> Shawn
>
>


-- 
Bill Bell
billnbell@gmail.com
cell 720-256-8076

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