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By fhopf
via blog.florian-hopf.de
Submitted: May 09 2014 / 03:53

Solr uses different caches to prevent too much IO access and calculations during requests. When indexing doesn't happen too frequently you can get huge performance gains by employing those caches. Depending on the structure of your index data and the size of the caches they can become rather large and use a substantial part of your heap memory. In this post I would like to show how you can use the Eclipse Memory Analyzer to see how much space your caches are really using in memory.
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