Try give Solr like 1.5gb by setting Jave params. Solr is usually CPU bound. So medium or large instances are good.
Bill Bell Sent from mobile On Mar 16, 2011, at 10:56 AM, Asharudeen <asharud...@gmail.com> wrote: > Hi > > Thanks for your info. > > Currently my index size is around 4GB. Normally in small instances total > available memory will be 1.6GB. In my setup, I allocated around 1GB as a > heap size for tomcat. Hence I believe, remaining 600 MB will be used for OS > cache. > > I believe, I need to migrate my Solr instance from small instance to large. > So that some more memory will be allotted for OS cache. But initially I > suspect, since I call Solrj code from another instance, I need to increase > the memory in the instance from where I run the Solrj. But you said I need > to increase the memory in Solr instance only. Here, just I want to double > check this case only. sorry for that. > > Once again thanks for your replies. > > Regards, > > > On Wed, Mar 16, 2011 at 7:02 PM, Yonik Seeley > <yo...@lucidimagination.com>wrote: > >> On Wed, Mar 16, 2011 at 7:25 AM, rahul <asharud...@gmail.com> wrote: >>> In our setup, we are having Solr index in one machine. And Solrj client >> part >>> (java code) in another machine. Currently as you suggest, if it may be a >>> 'not enough free RAM for the OS to cache' then whether I need to increase >>> the RAM in the machine in which Solrj query part is there.??? Or need to >>> increase RAM for Solr instance for the OS cache? >> >> That would be RAM for the Solr instance. If there is not enough free >> memory for the OS to cache, then each document retrieved will be a >> disk seek + read. >> >>> Since both the system are in local Amazon network (Linux EC2 small >>> instances), I believe the network wont be a issue. >> >> Ah, how big is your index? >> >>> Another thing, in the reply you have mentioned 'client not reading fast >>> enough'. Whether it is related to network or Solrj. >> >> That was a general issue - it *can* be the client, but since you're >> using SolrJ it would be the network. >> >> -Yonik >> http://lucidimagination.com >>
