From a7d73dd4c9ba97bb033f7ae15f218a65d8b8ace6 Mon Sep 17 00:00:00 2001 From: Qi Wang Date: Tue, 3 May 2022 14:28:30 -0700 Subject: [PATCH] Update TUNING.md to include the new tcache_max option. --- TUNING.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/TUNING.md b/TUNING.md index 34fca05b..e96399d7 100644 --- a/TUNING.md +++ b/TUNING.md @@ -1,5 +1,5 @@ This document summarizes the common approaches for performance fine tuning with -jemalloc (as of 5.1.0). The default configuration of jemalloc tends to work +jemalloc (as of 5.3.0). The default configuration of jemalloc tends to work reasonably well in practice, and most applications should not have to tune any options. However, in order to cover a wide range of applications and avoid pathological cases, the default setting is sometimes kept conservative and @@ -76,14 +76,14 @@ Examples: * High resource consumption application, prioritizing memory usage: - `background_thread:true` combined with shorter decay time (decreased - `dirty_decay_ms` and / or `muzzy_decay_ms`, + `background_thread:true,tcache_max:4096` combined with shorter decay time + (decreased `dirty_decay_ms` and / or `muzzy_decay_ms`, e.g. `dirty_decay_ms:5000,muzzy_decay_ms:5000`), and lower arena count (e.g. number of CPUs). * Low resource consumption application: - `narenas:1,lg_tcache_max:13` combined with shorter decay time (decreased + `narenas:1,tcache_max:1024` combined with shorter decay time (decreased `dirty_decay_ms` and / or `muzzy_decay_ms`,e.g. `dirty_decay_ms:1000,muzzy_decay_ms:0`).