[Qemu-devel] [PATCH v3 6/8] multifd: Change default packet size

Juan Quintela posted 8 patches 6 years, 8 months ago
[Qemu-devel] [PATCH v3 6/8] multifd: Change default packet size
Posted by Juan Quintela 6 years, 8 months ago
We moved from 64KB to 512KB, as it makes less locking contention
without any downside in testing.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
---
 migration/ram.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/migration/ram.c b/migration/ram.c
index 83025a7565..c78de0b6a3 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -521,7 +521,7 @@ exit:
 #define MULTIFD_FLAG_SYNC (1 << 0)
 
 /* This value needs to be a multiple of qemu_target_page_size() */
-#define MULTIFD_PACKET_SIZE (64 * 1024)
+#define MULTIFD_PACKET_SIZE (512 * 1024)
 
 typedef struct {
     uint32_t magic;
-- 
2.20.1