Re: solr-5.2.1: All folders in solr box(Linux) are sitting in RAM

2016-09-21 Thread dinesh naik
Hi Eric, Thanks a lot. Got the point. On Sep 21, 2016 10:18 PM, "Erick Erickson" wrote: > Why do you want to avoid this? Having the index in RAM (either the JVM or > OS) > is essential to fast querying. Perhaps you're being mislead by the > MMapDirectory's >

Re: solr-5.2.1: All folders in solr box(Linux) are sitting in RAM

2016-09-21 Thread Erick Erickson
Why do you want to avoid this? Having the index in RAM (either the JVM or OS) is essential to fast querying. Perhaps you're being mislead by the MMapDirectory's consumption of the OS memory? See Uwe's excellent article here: http://blog.thetaphi.de/2012/07/use-lucenes-mmapdirectory-on-64bit.html