From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Fri, 16 Sep 2016 10:24:15 +0200 From: Greg KH To: Paolo Valente Message-ID: <20160916082415.GA15313@kroah.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Cc: b.zolnierkie@samsung.com, ksummit-discuss@lists.linux-foundation.org, Jens Axboe , hare@suse.de, Tejun Heo , osandov@osandov.com, hch@lst.de Subject: Re: [Ksummit-discuss] [TECH TOPIC] Addressing long-standing high-latency problems related to I/O List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, Sep 16, 2016 at 09:55:45AM +0200, Paolo Valente wrote: > Linux systems suffers from long-standing high-latency problems, at > system and application level, related to I/O. For example, they > usually suffer from poor responsiveness--or even starvation, depending > on the workload--while, e.g., one or more files are being > read/written/copied. On a similar note, background workloads may > cause audio/video playback/streaming to stutter, even with long gaps. > A lot of test results on this problem can be found here [1] (I'm > citing only this resource just because I'm familiar with it, but > evidence can be found in countless technical reports, scientific > papers, forum discussions, and so on). Isn't this a better topic for the Vault conference, or the storage mini conference? thanks, greg k-h