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[PATCH] migration: increase max-bandwidth to 128 MiB/s (1 Gib/s)
From: |
Laurent Vivier |
Subject: |
[PATCH] migration: increase max-bandwidth to 128 MiB/s (1 Gib/s) |
Date: |
Mon, 21 Sep 2020 16:49:57 +0200 |
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>
---
migration/migration.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/migration/migration.c b/migration/migration.c
index 58a5452471f9..1c4174947181 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. */
--
2.26.2
- [PATCH] migration: increase max-bandwidth to 128 MiB/s (1 Gib/s),
Laurent Vivier <=