Re: qcow2 perfomance: read-only IO on the guest generates high write IO on the host

On 24-08-2021 11:37, Kevin Wolf wrote: [ Cc: qemu-block ] Am 11.08.2021 um 13:36 hat Christopher Pereira geschrieben: Hi, I'm reading a directory with 5.000.000 files (2,4 GB) inside a guest using "find | grep -c". On the host I saw high write IO (40 MB/s !) during over 1 hour using virt-top

Re: qcow2 perfomance: read-only IO on the guest generates high write IO on the host

[ Cc: qemu-block ] Am 11.08.2021 um 13:36 hat Christopher Pereira geschrieben: > Hi, > > I'm reading a directory with 5.000.000 files (2,4 GB) inside a guest using > "find | grep -c". > > On the host I saw high write IO (40 MB/s !) during over 1 hour using > virt-top. > > I later repeated the r