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| author | Paolo Bonzini <pbonzini@redhat.com> | 2016-11-09 17:20:08 +0100 |
|---|---|---|
| committer | Jeff Cody <jcody@redhat.com> | 2016-11-14 22:49:26 -0500 |
| commit | bdffb31d8eece1cbd4d88f136daccfe1f93a1bf6 (patch) | |
| tree | 86371e7fba7fc7ab8530563ffa564b6f78c4b26e /qemu-nbd.texi | |
| parent | 4e504535c16dfa66290281e704384abfaca08673 (diff) | |
| download | qemu-bdffb31d8eece1cbd4d88f136daccfe1f93a1bf6.tar.gz | |
mirror: do not flush every time the disks are synced
This puts a huge strain on the disks when there are many concurrent
migrations. With this patch we only flush twice: just before issuing
the event, and just before pivoting to the destination. If management
will complete the job close to the BLOCK_JOB_READY event, the cost of
the second flush should be small anyway.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20161109162008.27287-2-pbonzini@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
Diffstat (limited to 'qemu-nbd.texi')
0 files changed, 0 insertions, 0 deletions