Hi, Slow startup.... could it be your transaction logs are being replayed? Are they very big? Do you see lots of disk reading during those 20-30 minutes?
Shawn was referring to http://wiki.apache.org/solr/SolrPerformanceProblems Otis -- Performance Monitoring * Log Analytics * Search Analytics Solr & Elasticsearch Support * http://sematext.com/ On Mon, Feb 24, 2014 at 10:41 PM, Shawn Heisey <s...@elyograg.org> wrote: > > Hi > > > > I have a 4 node solrcloud cluster with more than 50 collections with 4 > > shards each. Everytime I want to make a schema change, I upload configs > to > > zookeeper and then restart all nodes. However the restart of every node > is > > very slow and takes about 20-30 minutes per node. > > > > Is it recommended to make loadOnStartup=false and allow solrcloud to lazy > > load? Is there a way to make schema changes without restarting solrcloud? > > I'm on my phone so getting a Url for you is hard. Search the wiki for > SolrPerformanceProblems. There's a section there on slow startup. > > If that's not it, it's probably not enough RAM for the OS disk cache. That > is also discussed on that wiki page. > > Thanks, > Shawn > > > >