lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Thu, 21 Aug 2014 06:03:15 -0700
From:	Christoph Hellwig <>
To:	Sagi Grimberg <>
Cc:	Christoph Hellwig <>,
	James Bottomley <>,
	Jens Axboe <>,
	Bart Van Assche <>,
	Robert Elliott <>,,,,
	Or Gerlitz <>,
	Oren Duer <>,
	"Nicholas A. Bellinger" <>,
	Mike Christie <>,, Max Gurtovoy <>
Subject: Re: Performance degradation in IO writes vs. reads (was scsi-mq V2)

On Thu, Aug 21, 2014 at 03:32:09PM +0300, Sagi Grimberg wrote:
> So I just got back to checking this issue of *extremely low* IO write
> performance I got in 3.16-rc2.

Please test with 3.16 final.  There once issue each in aio and dio
that caused bad I/O performance regression that were only fixed last
minute in the 3.16 cycle.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists