From 05739d0719e3fc8a1cb0954f0b410e429be5d7f1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jaroslav=20=C5=A0karvada?= <jskarvad@redhat.com>
Date: Wed, 7 Apr 2021 19:55:09 +0200
Subject: [PATCH] mssql: update profile to be in sync with MS recommendations
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Resolves: rhbz#1942733

Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
---
 profiles/mssql/tuned.conf | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/profiles/mssql/tuned.conf b/profiles/mssql/tuned.conf
index 35e208a8..1213a0cb 100644
--- a/profiles/mssql/tuned.conf
+++ b/profiles/mssql/tuned.conf
@@ -6,11 +6,24 @@
 summary=Optimize for MS SQL Server
 include=throughput-performance
 
+[cpu]
+force_latency=5
+
 [vm]
-transparent_hugepage.defrag=always
+# For multi-instance SQL deployments use 'madvise' instead of 'always'
+transparent_hugepages=always
 
 [sysctl]
-vm.max_map_count=800000
+vm.swappiness=1
+vm.dirty_background_ratio=3
+vm.dirty_ratio=80
+vm.dirty_expire_centisecs=500
+vm.dirty_writeback_centisecs=100
+vm.max_map_count=1600000
+net.core.rmem_default=262144
+net.core.rmem_max=4194304
+net.core.wmem_default=262144
+net.core.wmem_max=1048576
 kernel.numa_balancing=0
 kernel.sched_latency_ns=60000000
 kernel.sched_min_granularity_ns=15000000