Wiadomość napisana przez deeptech71 w dniu 2 mar 2013, o godz. 18:29: > When one of my flash drives is being heavily written to; typically by ``svn > update'' on /usr/src, located on the flash drive; the following can be said > about filesystem behavior: > > - ``svn update'' seems to be able to quickly update a bunch of files, but is > then unable to continue for a period of time. This behavior is cyclical, and > cycles several times, depending on the amount of updating work to be done for > a particular run of ``svn update''. > - Access to any filesystem, whether on the said flash drive or not, seems to > be hindered a lot, typically during the said "unable to continue" time. > Reading of a file on a hard drive was once delayed for more than 10 seconds. > Seemingly as a consequence, the starting of top(1) is also typically delayed.
When that happens, could you do "ps axl" and see the WCHAN column for the affected processes? Is it "wdrain"? -- If you cut off my head, what would I say? Me and my head, or me and my body? _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "[email protected]"
