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[Qemu-devel] [PATCH v2 6/8] multifd: Change default packet size


From: Juan Quintela
Subject: [Qemu-devel] [PATCH v2 6/8] multifd: Change default packet size
Date: Wed, 20 Feb 2019 12:56:09 +0100

We moved from 64KB to 512KB, as it makes less locking contention
without any downside in testing.

Signed-off-by: Juan Quintela <address@hidden>
---
 migration/ram.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/migration/ram.c b/migration/ram.c
index 75a8fc21f8..d57db00ce4 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




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