Heavy I/O blocks FreeBSD box for several seconds
phk at phk.freebsd.dk
Wed Jul 6 17:05:45 UTC 2011
In message <20110706170132.GA68775 at troutmask.apl.washington.edu>, Steve Kargl w
>I periodically ran the same type test in the 2008 post over the
>last three years. Nothing has changed. I even set up an account
>on one node in my cluster for jeffr to use. He was too busy to
>investigate at that time.
Isn't this just the lemming-syncer hurling every dirty block over
the cliff at the same time ?
To find out: Run gstat and keep and eye on the leftmost column
The road map for fixing that has been known for years...
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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