From 78e29ff52119417c16425562cead9eb4c77bc1ea Mon Sep 17 00:00:00 2001 From: Grant Slater Date: Sat, 8 Feb 2014 06:43:27 +0000 Subject: [PATCH] nadder: Decrease scheduler queue depth to improve latency --- roles/nadder-01.rb | 4 ++-- roles/nadder-02.rb | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/roles/nadder-01.rb b/roles/nadder-01.rb index 8eb9d562f..d596a1a6e 100644 --- a/roles/nadder-01.rb +++ b/roles/nadder-01.rb @@ -18,8 +18,8 @@ default_attributes( :hdd_tune => { :comment => "Tune the queue for improved performance", :parameters => { - "block/vda/queue/nr_requests" => "512", - "block/vdb/queue/nr_requests" => "512", + "block/vda/queue/nr_requests" => "64", + "block/vdb/queue/nr_requests" => "64", "block/vda/queue/scheduler" => "deadline", "block/vdb/queue/scheduler" => "deadline" } diff --git a/roles/nadder-02.rb b/roles/nadder-02.rb index 9141e2a73..07c2c7145 100644 --- a/roles/nadder-02.rb +++ b/roles/nadder-02.rb @@ -18,8 +18,8 @@ default_attributes( :hdd_tune => { :comment => "Tune the queue for improved performance", :parameters => { - "block/vda/queue/nr_requests" => "512", - "block/vdb/queue/nr_requests" => "512", + "block/vda/queue/nr_requests" => "64", + "block/vdb/queue/nr_requests" => "64", "block/vda/queue/scheduler" => "deadline", "block/vdb/queue/scheduler" => "deadline" } -- 2.43.2