Turning swappiness down to 0 can have some decent performance impact. - http://en.wikipedia.org/wiki/Swappiness
In the past, I've seen better performance with ext3 over ext4 around commits/fsync. Test were actually enough slower (lots of these operations), that I made a special ext3 partition workspace for lucene/solr dev. (Still use ext4 for root and home). Have not checked that recently, and it may not be a large concern for many use cases. - Mark On Jun 4, 2013, at 6:48 PM, Tim Vaillancourt <t...@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
