Hi, You should search the ML archives for : optimize wunder Erick Otis :)
Is WAS really AWS? If so, if these are new EC2 instances you are unfortunately unable to do a fair apples to apples comparison. Have you tried a different set of instances? Otis -- Performance Monitoring - http://sematext.com/spm On Dec 4, 2012 6:29 PM, "Sandeep Mestry" <sanmes...@gmail.com> wrote: > Hi All, > > I have recently migrated from solr 1.4 to solr 4 and have done the basic > changes required for solr 4 in solrconfig.xml and schema.xml. I have also > rebuilt the index set for solr 4. > We run optimize every morning at 4 am and we keep the index updates off > during this process. > Previously, with 1.4 - the optimization used to take around 20-30 mins per > shard but now with solr 4, its taking 6-8 hours or even more.. > I have also tested the optimize from solr UI and that takes 6-8 hours too.. > The hardware is saeme and, we have deployed solr under WAS. > There ar 4 shards and every shard contains around 8 - 9 Gig of data and we > are using master-slave configuration with rsync. I have not enabled soft > commit. Also, commiter process is scheduled to run every minute. > > I am not sure which part I'm missing, do let me know your inputs please. > > Many Thanks in advance, > Sandeep >