From mboxrd@z Thu Jan 1 00:00:00 1970 From: stkoupr Subject: multi-threaded raid5 Date: Tue, 31 Mar 2015 19:17:34 +0200 Message-ID: <551AD6AE.4030607@cra.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Return-path: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids Hi, We are testing write performance of md raid5 with SSD array and we are hitting limit which I understand is caused by writes being handled in single thread (md0_raid5 process is eating 100% of 1 CPU core when the test is running). I understood that there is some work in progress which should make write handling multi-threaded. I'd like to ask about the status of this work, is it still in progress or planned? Regards, Prema