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Editorial Team
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Editorial Team
Asked: May 12, 20262026-05-12T17:25:43+00:00 2026-05-12T17:25:43+00:00

I use solr in my application, there is just hundreds of documents. the memory

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I use solr in my application, there is just hundreds of documents.
the memory usage is about 80M, how to reduce it?

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  1. Editorial Team
    Editorial Team
    2026-05-12T17:25:43+00:00Added an answer on May 12, 2026 at 5:25 pm

    80M is not much, in fact it’s pretty much the mininum, you won’t go much lower than that.

    Some factors that affect memory usage:

    • Input document size
    • Multi-threaded document updates
    • Cache size
    • Facet queries
    • Sorting

    References:

    • http://wiki.apache.org/solr/SolrPerformanceFactors#Factors_affecting_memory_usage
    • http://www.nabble.com/Debugging-Solr-memory-usage-heap-problems-td8832794.html
    • http://osdir.com/ml/solr-user.lucene.apache.org/2009-02/msg00050.html
    • http://mail-archives.apache.org/mod_mbox/lucene-solr-user/200905.mbox/%3C552701.4457.qm@web50308.mail.re2.yahoo.com%3E
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