Re: 2.6.37: Multi-second I/O latency while untarring

2011-03-28 Thread Andrew Lutomirski
On Mon, Feb 14, 2011 at 10:22 AM, Chris Mason chris.ma...@oracle.com wrote: Excerpts from Andrew Lutomirski's message of 2011-02-11 19:35:02 -0500: On Fri, Feb 11, 2011 at 10:44 AM, Chris Mason chris.ma...@oracle.com wrote: We can tell more if you post the full traces from latencytop.  I

Re: 2.6.37: Multi-second I/O latency while untarring

2011-02-14 Thread Chris Mason
Excerpts from Andrew Lutomirski's message of 2011-02-11 19:35:02 -0500: On Fri, Feb 11, 2011 at 10:44 AM, Chris Mason chris.ma...@oracle.com wrote: Excerpts from Andrew Lutomirski's message of 2011-02-11 10:08:52 -0500: As I type this, I have an ssh process running that's dumping data into

Re: 2.6.37: Multi-second I/O latency while untarring

2011-02-11 Thread Chris Mason
Excerpts from Andrew Lutomirski's message of 2011-02-11 10:08:52 -0500: As I type this, I have an ssh process running that's dumping data into a fifo at high speed (maybe 500Mbps) and a tar process that's untarring from the same fifo onto btrfs. The btrfs fs is mounted -o

Re: 2.6.37: Multi-second I/O latency while untarring

2011-02-11 Thread Matt
On Fri, Feb 11, 2011 at 3:08 PM, Andrew Lutomirski a...@luto.us wrote: As I type this, I have an ssh process running that's dumping data into a fifo at high speed (maybe 500Mbps) and a tar process that's untarring from the same fifo onto btrfs.  The btrfs fs is mounted -o space_cache,compress.

Re: 2.6.37: Multi-second I/O latency while untarring

2011-02-11 Thread Andrew Lutomirski
On Fri, Feb 11, 2011 at 10:44 AM, Chris Mason chris.ma...@oracle.com wrote: Excerpts from Andrew Lutomirski's message of 2011-02-11 10:08:52 -0500: As I type this, I have an ssh process running that's dumping data into a fifo at high speed (maybe 500Mbps) and a tar process that's untarring

Re: 2.6.37: Multi-second I/O latency while untarring

2011-02-11 Thread Andrew Lutomirski
On Fri, Feb 11, 2011 at 10:44 AM, Chris Mason chris.ma...@oracle.com wrote: Excerpts from Andrew Lutomirski's message of 2011-02-11 10:08:52 -0500: As I type this, I have an ssh process running that's dumping data into a fifo at high speed (maybe 500Mbps) and a tar process that's untarring