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From Markus Jelsma <>
Subject Solr uses lots of shared memory!
Date Tue, 22 Aug 2017 13:24:17 GMT

I have never seen this before, one of our collections, all nodes eating tons of shared memory!

Here's one of the nodes:
10497 solr      20   0 19.439g 4.505g 3.139g S   1.0 57.8   2511:46 java 

RSS is roughly equal to heap size + usual off-heap space + shared memory. Virtual is equal
to RSS and index size on disk. For two other collections, the nodes use shared memory as expected,
in the MB range.

How can Solr, this collection, use so much shared memory? Why?


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