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From 05739d0719e3fc8a1cb0954f0b410e429be5d7f1 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Jaroslav=20=C5=A0karvada?= <jskarvad@redhat.com>
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Date: Wed, 7 Apr 2021 19:55:09 +0200
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Subject: [PATCH] mssql: update profile to be in sync with MS recommendations
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Resolves: rhbz#1942733
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Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
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---
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profiles/mssql/tuned.conf | 17 +++++++++++++++--
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1 file changed, 15 insertions(+), 2 deletions(-)
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diff --git a/profiles/mssql/tuned.conf b/profiles/mssql/tuned.conf
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index 35e208a8..1213a0cb 100644
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--- a/profiles/mssql/tuned.conf
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+++ b/profiles/mssql/tuned.conf
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@@ -6,11 +6,24 @@
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summary=Optimize for MS SQL Server
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include=throughput-performance
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+[cpu]
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+force_latency=5
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+
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[vm]
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-transparent_hugepage.defrag=always
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+# For multi-instance SQL deployments use 'madvise' instead of 'always'
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+transparent_hugepages=always
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[sysctl]
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-vm.max_map_count=800000
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+vm.swappiness=1
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+vm.dirty_background_ratio=3
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+vm.dirty_ratio=80
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+vm.dirty_expire_centisecs=500
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+vm.dirty_writeback_centisecs=100
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+vm.max_map_count=1600000
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+net.core.rmem_default=262144
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+net.core.rmem_max=4194304
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+net.core.wmem_default=262144
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+net.core.wmem_max=1048576
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kernel.numa_balancing=0
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kernel.sched_latency_ns=60000000
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kernel.sched_min_granularity_ns=15000000
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