On 05/27/2013 09:12 PM, Valerio Pachera wrote: > Hi, I tried to change cache size by 'collie node cache'. > I went from one opposite to the other > -w size=20000 > wrote some data > -w size=1 > wrote some more data > -w size=20000 > when I was writing some more files, guest went crazy with I/O errors. > > May it because we have to 'cache flush' before shrinking? I guess so. > If yes, may this be done automatically? > Dynamic resizing object cache with running VM seems very easy to cause problems. Is this feature really needed? I can't think of a use case for it because formatted partition can't be sized lively. Currently it is only safe to enlarge it dynamically. I am considering of removing 'collie node cache'. Thanks, Yuan |