From mboxrd@z Thu Jan 1 00:00:00 1970 From: axboe@kernel.dk (Jens Axboe) Date: Wed, 27 Jan 2016 12:50:43 -0700 Subject: dm-multipath low performance with blk-mq In-Reply-To: <20160127191443.GD31802@redhat.com> References: <569E11EA.8000305@dev.mellanox.co.il> <20160119224512.GA10515@redhat.com> <20160125214016.GA10060@redhat.com> <20160125233717.GQ24960@octiron.msp.redhat.com> <20160126132939.GA23967@redhat.com> <56A8A6A8.9090003@dev.mellanox.co.il> <20160127174828.GA31802@redhat.com> <56A90388.1030105@kernel.dk> <20160127181655.GB31802@redhat.com> <56A90BBF.3050407@kernel.dk> <20160127191443.GD31802@redhat.com> Message-ID: <56A91F93.9090002@kernel.dk> On 01/27/2016 12:14 PM, Mike Snitzer wrote: > Yeah, I was using some crap ioping test to get those 500K/85K results. > I've now switched to the fio test Sagi shared [...] Tsk tsk -- Jens Axboe From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: Re: dm-multipath low performance with blk-mq Date: Wed, 27 Jan 2016 12:50:43 -0700 Message-ID: <56A91F93.9090002@kernel.dk> References: <569E11EA.8000305@dev.mellanox.co.il> <20160119224512.GA10515@redhat.com> <20160125214016.GA10060@redhat.com> <20160125233717.GQ24960@octiron.msp.redhat.com> <20160126132939.GA23967@redhat.com> <56A8A6A8.9090003@dev.mellanox.co.il> <20160127174828.GA31802@redhat.com> <56A90388.1030105@kernel.dk> <20160127181655.GB31802@redhat.com> <56A90BBF.3050407@kernel.dk> <20160127191443.GD31802@redhat.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160127191443.GD31802@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Mike Snitzer Cc: "keith.busch@intel.com" , Sagi Grimberg , "linux-nvme@lists.infradead.org" , Christoph Hellwig , device-mapper development , Bart Van Assche List-Id: dm-devel.ids On 01/27/2016 12:14 PM, Mike Snitzer wrote: > Yeah, I was using some crap ioping test to get those 500K/85K results. > I've now switched to the fio test Sagi shared [...] Tsk tsk -- Jens Axboe