On Wed, Apr 27, 2005 at 10:17:46AM +0200, Marc Olzheim wrote: > > > Btw. running the writev program with 20 * 100 MB on UFS on a 512MB > > > FreeBSD 6-CURRENT system practicly locks the filesystem down _and_ > > > causes all processes to be swapped out in favor of the buffer cache. > > > 'top' however, doesnt' show a rise in BUF usage. > > > > > > On FreeBSD 4.x, the system performance as usual during the writev to > > > UFS. > > > > That's certainly not very optimal. I don't know anything about it, sorry. > > No problem. I just thought that they might be related (this is with a > single writev() as well).
Hmm, doing the 20 * 100MB on a 5.3-RELEASE-p6 system with 256 MB memory and 512MB swap (on UFS) hangs the machine. Luckily, I cannot reproduce it on 5.4-STABLE :-/ Marc
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