On Tue, 2018-09-11 at 12:43 -0600, Shawn Heisey wrote:
> On 9/11/2018 12:14 PM, Boris Pasko wrote:
> >
> > >
> > > Run top, press shift-M to sort by memory usage, then grab a
> > atop: http://oi68.tinypic.com/10pokkk.jpg
> > top: http://oi63.tinypic.com/msbpfp.jpg
> Looking at the second one:
>
> The SHR value is showing 90GB.
>
Thanks! Thats  a good catch.
>
>
> Looks like the amount of memory in the machine is too large for "top"
> to
128Gb



> It does look like you've got in the neighborhood of 600GB of index
> data.
600-700Gb per node, correct.

>  Only 113GB of that data is cached.  For some use cases, this will
> be plenty of cached data for good performance. For others, it won't
> be
> anywhere near enough.  For *perfect* performance, there will be
> enough
> memory for ALL of the index data to fit into memory.
>
> Thanks,
> Shawn
>


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