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From Victor Ruiz <>
Subject Re: SolrCloud vs Solr master-slave replication
Date Mon, 15 Apr 2013 09:38:26 GMT
Hi Shawn,

thank you for your reply. 

I'll check if network card drivers are ok. About the RAM, the JVM max heap
size is currently 6GB, but it never reaches the maximum, tipically the used
RAM is not more than 5GB. should I assign more RAM? I've read that excess of
RAM assigned could have also a bad effect on the performance. Apart of the
RAM used by JVM, the server has more than 10GB of unused RAM, which should
be enough to cache the index.

About SolrCloud, I know it doesn't use master-slave replication, but
incremental updates, item by item. That's why I thought it could work for
us, since our bottleneck appear to be the replication cycles. But another
point is, if the indexing occurs in all servers, 1200 updates/min could also
overload the servers? and therefore have a worst performance than with
master-slave replication?


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