Re: high-speed disk I/O is CPU-bound?

2013-05-16 Thread David Oostdyk
On 05/16/13 07:36, Stan Hoeppner wrote: On 5/15/2013 7:59 PM, Dave Chinner wrote: [cc xfs list, seeing as that's where all the people who use XFS in these sorts of configurations hang out. ] On Fri, May 10, 2013 at 10:04:44AM -0400, David Oostdyk wrote: Hello, I have a few relatively high

Re: high-speed disk I/O is CPU-bound?

2013-05-16 Thread David Oostdyk
On 05/16/13 07:36, Stan Hoeppner wrote: On 5/15/2013 7:59 PM, Dave Chinner wrote: [cc xfs list, seeing as that's where all the people who use XFS in these sorts of configurations hang out. ] On Fri, May 10, 2013 at 10:04:44AM -0400, David Oostdyk wrote: Hello, I have a few relatively high

Re: high-speed disk I/O is CPU-bound?

2013-05-13 Thread David Oostdyk
On 05/12/13 12:53, Rob Landley wrote: On 05/10/2013 09:04:44 AM, David Oostdyk wrote: Hello, I have a few relatively high-end systems with hardware RAIDs which are being used for recording systems, and I'm trying to get a better understanding of contiguous write performance. ... The question

Re: high-speed disk I/O is CPU-bound?

2013-05-13 Thread David Oostdyk
On 05/10/13 20:19, Eric Wong wrote: Cc-ing Jens David Oostdyk wrote: Hello, I have a few relatively high-end systems with hardware RAIDs which are being used for recording systems, and I'm trying to get a better understanding of contiguous write performance. The hardware that I've tested

Re: high-speed disk I/O is CPU-bound?

2013-05-13 Thread David Oostdyk
On 05/10/13 20:19, Eric Wong wrote: Cc-ing Jens David Oostdyk da...@ll.mit.edu wrote: Hello, I have a few relatively high-end systems with hardware RAIDs which are being used for recording systems, and I'm trying to get a better understanding of contiguous write performance. The hardware

Re: high-speed disk I/O is CPU-bound?

2013-05-13 Thread David Oostdyk
On 05/12/13 12:53, Rob Landley wrote: On 05/10/2013 09:04:44 AM, David Oostdyk wrote: Hello, I have a few relatively high-end systems with hardware RAIDs which are being used for recording systems, and I'm trying to get a better understanding of contiguous write performance. ... The question

high-speed disk I/O is CPU-bound?

2013-05-10 Thread David Oostdyk
Hello, I have a few relatively high-end systems with hardware RAIDs which are being used for recording systems, and I'm trying to get a better understanding of contiguous write performance. The hardware that I've tested with includes two high-end Intel E5-2600 and E5-4600 (~3GHz) series

high-speed disk I/O is CPU-bound?

2013-05-10 Thread David Oostdyk
Hello, I have a few relatively high-end systems with hardware RAIDs which are being used for recording systems, and I'm trying to get a better understanding of contiguous write performance. The hardware that I've tested with includes two high-end Intel E5-2600 and E5-4600 (~3GHz) series