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From Vijay Balakrishnan <bvija...@gmail.com>
Subject Swap space,JVM-Memory,Physical memory on Solr Admin UI explanation
Date Fri, 07 Feb 2014 18:26:54 GMT
Hi,

I am using solr 4.6.1 on a Windows 7 server right now with 32 GB RAM.I have
a SolrCloud with 3 shards, 2 replicas and an embedded Zookeeper on the 1
box.I have allocated -Xmx5GB RAM to each Solr instance when starting up
with -XX:MaxNewSize:1636m

I see the Swap space(32.5G/64GB),JVM-Memory(521.1MB/4.73GB),Physical
memory(11.07 GB/32GB) on Solr Admin UI. That usage is confusing me. The
Swap space was going up when indexing 15 million documents but not the
JVM-memory(which went up a  max of 1.1G or so). So, does that mean I don't
need to allocate that much RAM for each Solr instance ?

Could someone explain the 3 terms clearly in terms of their use in Indexing
and Querying:
Swap space, JVM-memory and Physical memory ?


TIA,
Vijay

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