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Re: [Virtio-fs] virtiofs vs 9p performance(Re: tools/virtiofs: Multi thr
From: |
Miklos Szeredi |
Subject: |
Re: [Virtio-fs] virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance) |
Date: |
Tue, 29 Sep 2020 15:49:04 +0200 |
On Tue, Sep 29, 2020 at 3:18 PM Vivek Goyal <vgoyal@redhat.com> wrote:
> - virtiofs cache=none mode is faster than cache=auto mode for this
> workload.
Not sure why. One cause could be that readahead is not perfect at
detecting the random pattern. Could we compare total I/O on the
server vs. total I/O by fio?
Thanks,
Millos
- Re: virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance), (continued)
- Re: virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance), Dr. David Alan Gilbert, 2020/09/25
- Re: virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance), Christian Schoenebeck, 2020/09/25
- Re: virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance), Christian Schoenebeck, 2020/09/25
- Re: virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance), Dr. David Alan Gilbert, 2020/09/25
- Re: virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance), Christian Schoenebeck, 2020/09/27
- Re: virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance), Vivek Goyal, 2020/09/29
- Re: virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance), Christian Schoenebeck, 2020/09/29
- Re: virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance), Vivek Goyal, 2020/09/29
- Re: virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance), Christian Schoenebeck, 2020/09/29
- Re: virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance), Vivek Goyal, 2020/09/29
- Re: [Virtio-fs] virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance),
Miklos Szeredi <=
- Re: [Virtio-fs] virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance), Vivek Goyal, 2020/09/29
- Re: [Virtio-fs] virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance), Miklos Szeredi, 2020/09/29
- Re: [Virtio-fs] virtiofs vs 9p performance(Re: tools/virtiofs: Multi threading seems to hurt performance), Vivek Goyal, 2020/09/29
- Re: tools/virtiofs: Multi threading seems to hurt performance, Dr. David Alan Gilbert, 2020/09/25
- Re: tools/virtiofs: Multi threading seems to hurt performance, Vivek Goyal, 2020/09/25
Re: tools/virtiofs: Multi threading seems to hurt performance, Vivek Goyal, 2020/09/21
Re: [Virtio-fs] tools/virtiofs: Multi threading seems to hurt performance, Chirantan Ekbote, 2020/09/23