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| author | Laurent Vivier <lvivier@redhat.com> | 2020-09-21 16:49:57 +0200 |
|---|---|---|
| committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2020-09-25 12:45:58 +0100 |
| commit | 7590a2ae091fde8bb72d5df93977ab9707e23242 (patch) | |
| tree | 84ff6b54a463718dc57e9a7cdce5deefa0721264 /migration/migration.c | |
| parent | b4deb9bf8d97dbee07781e90e2089c6410ea9098 (diff) | |
| download | qemu-7590a2ae091fde8bb72d5df93977ab9707e23242.zip qemu-7590a2ae091fde8bb72d5df93977ab9707e23242.tar.gz qemu-7590a2ae091fde8bb72d5df93977ab9707e23242.tar.bz2 | |
migration: increase max-bandwidth to 128 MiB/s (1 Gib/s)
max-bandwidth is set by default to 32 MiB/s (256 Mib/s)
since 2008 (5bb7910af031c).
Most of the CPUs can dirty memory faster than that now,
and this is clearly a problem with POWER where the page
size is 64 kiB and not 4 KiB.
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20200921144957.979989-1-lvivier@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'migration/migration.c')
| -rw-r--r-- | migration/migration.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/migration/migration.c b/migration/migration.c index 827f8be..de34c99 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -57,7 +57,7 @@ #include "qemu/queue.h" #include "multifd.h" -#define MAX_THROTTLE (32 << 20) /* Migration transfer speed throttling */ +#define MAX_THROTTLE (128 << 20) /* Migration transfer speed throttling */ /* Amount of time to allocate to each "chunk" of bandwidth-throttled * data. */ |