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From Tim Vaillancourt <...@elementspace.com>
Subject Re: Lucene/Solr Filesystem tunings
Date Sat, 08 Jun 2013 00:42:06 GMT
I figured as much for atime, thanks Otis!

I haven't ran benchmarks just yet, but I'll be sure to share whatever I
find. I plan to try ext4 vs xfs.

I am also curious what effect disabling journaling (ext2) would have,
relying on SolrCloud to manage 'consistency' over many instances vs FS
journaling. Anyone have opinions there? If I test I'll share the results.

Cheers,

Tim


On 4 June 2013 16:11, Otis Gospodnetic <otis.gospodnetic@gmail.com> wrote:

> Hi,
>
> You can use noatime, nodiratime, nothing in Solr depends on that as
> far as I know.  We tend to use ext4.  Some people love xfs.  Want to
> run some benchmarks and publish the results? :)
>
> Otis
> --
> Solr & ElasticSearch Support
> http://sematext.com/
>
>
>
>
>
> On Tue, Jun 4, 2013 at 6:48 PM, Tim Vaillancourt <tim@elementspace.com>
> wrote:
> > Hey all,
> >
> > Does anyone have any advice or special filesytem tuning to share for
> > Lucene/Solr, and which file systems they like more?
> >
> > Also, does Lucene/Solr care about access times if I turn them off (I
> think I
> > doesn't care)?
> >
> > A bit unrelated: What are people's opinions on reducing some consistency
> > things like filesystem journaling, etc (ext2?) due to SolrCloud's
> additional
> > HA with replicas? How about RAID 0 x 3 replicas or so?
> >
> > Thanks!
> >
> > Tim Vaillancourt
>

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