Research on Jemalloc

As said on http://jemalloc.net/:

jemalloc is a general purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support.

Some Sphinx and Manticore Search users prefer jemalloc over malloc and say it allows to save some RAM. I’ve tested how jemalloc affects resource consumption and response time for 2 weeks on 3 Manticore clusters (se03/03-2, se04/04-2, se05/05-2) each of which:

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Sphinx 3 vs Manticore: performance benchmark

Recently long-awaited Sphinx 3 was released and updated in 3.0.2 . It has got documents storage capabilities, A-indexes, snippets pre-indexing and unfortunately is not open source any more (at least now, in March 2018).

Those all are very nice features, but are you interested in how much they affected the performance of Sphinx 3 and how much that differs from Manticore’s performance? We too!

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