7 engineers on Hacker News describe using jemalloc first-hand: 6 endorse it, 0 regret it, 0 are mixed.
“It did saved us a lot of AWS costs, compare to just using normal Ruby.”
endorse · production · jjuliano · 2026-03-16 · source ↗ · wrong label?“we discovered Jemalloc and put it in our service... Every single issue went away.”
endorse · production · adityapatadia · 2025-06-13 · source ↗ · wrong label?“We switched to jemalloc and the positive effects where huge.”
endorse · production · perbu · 2021-02-03 · source ↗ · wrong label?“So we replaced the memory allocator with a faster one (jemalloc) and we get a 30% performance improvement.”
endorse · production · dijit · 2018-04-11 · source ↗ · wrong label?“It's proven quite effective for us, particularly when used with jemalloc, which it conspires with for more optimal memory management.”
endorse · production · ctur · 2014-12-05 · source ↗ · wrong label?“Mozilla has been using jemalloc since the release of Firefox 3 in 2008... Just using jemalloc reduced memory usage by 22%”
endorse · production · 6 yr · db48x · 2014-11-15 · source ↗ · wrong label?“In ClickHouse, we use jemalloc as a memory allocator and custom memcpy”
neutral · production · zX41ZdbW · 2023-12-12 · source ↗ · wrong label?