Furkan, see this post. http://grokbase.com/t/lucene/solr-user/117t1eswyk/multiple-solr-servers-and-a-shared-index-again
Cumprimentos -- Yago Riveiro Sent with Sparrow (http://www.sparrowmailapp.com/?sig) On Tuesday, April 16, 2013 at 12:15 PM, Furkan KAMACI wrote: > Hi Walter; > > You said: "It is not safe to share Solr index files between two Solr > servers". Why do you think like that? > > > 2013/4/16 Tim Vaillancourt <t...@elementspace.com > (mailto:t...@elementspace.com)> > > > If centralization of storage is your goal by choosing NFS, iSCSI works > > reasonably well with SOLR indexes, although good local-storage will always > > be the overall winner. > > > > I noticed a near 5% degredation in overall search performance (casual > > testing, nothing scientific) when moving a 40-50GB indexes to iSCSI (10GBe > > network) from a 4x7200rpm RAID 10 local SATA disk setup. > > > > Tim > > > > > > On 15/04/13 09:59 AM, Walter Underwood wrote: > > > > > Solr 4.2 does have field compression which makes smaller indexes. That > > > will reduce the amount of network traffic. That probably does not help > > > much, because I think the latency of NFS is what causes problems. > > > > > > wunder > > > > > > On Apr 15, 2013, at 9:52 AM, Ali, Saqib wrote: > > > > > > Hello Walter, > > > > > > > > Thanks for the response. That has been my experience in the past as > > > > well. > > > > But I was wondering if there new are things in Solr 4 and NFS 4.1 that > > > > make > > > > the storing of indexes on a NFS mount feasible. > > > > > > > > Thanks, > > > > Saqib > > > > > > > > > > > > On Mon, Apr 15, 2013 at 9:47 AM, Walter Underwood<wunder@wunderwood.** > > > > org <wun...@wunderwood.org (mailto:wun...@wunderwood.org)>>wrote: > > > > > > > > On Apr 15, 2013, at 9:40 AM, Ali, Saqib wrote: > > > > > > > > > > Greetings, > > > > > > > > > > > > Are there any issues with storing Solr Indexes on a NFS share? Also > > > > > > any > > > > > > recommendations for using NFS for Solr indexes? > > > > > > > > > > > > > > > > I recommend that you do not put Solr indexes on NFS. > > > > > > > > > > It can be very slow, I measured indexing as 100X slower on NFS a few > > > > > years > > > > > ago. > > > > > > > > > > It is not safe to share Solr index files between two Solr servers, so > > > > > there is no benefit to NFS. > > > > > > > > > > wunder > > > > > -- > > > > > Walter Underwood > > > > > wun...@wunderwood.org (mailto:wun...@wunderwood.org) > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > Walter Underwood > > > wun...@wunderwood.org (mailto:wun...@wunderwood.org) > > > > > > > > > >
