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[Qemu-devel] [PATCH 1/4] multifd: Change page count default to 128


From: Juan Quintela
Subject: [Qemu-devel] [PATCH 1/4] multifd: Change page count default to 128
Date: Wed, 6 Feb 2019 14:23:28 +0100

I haven't seend any problem about using 64 or 128.  And it make much
less contention on the locks.  Just change it.

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

diff --git a/migration/migration.c b/migration/migration.c
index ef1d53cde2..f673486679 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -81,7 +81,7 @@
 /* The delay time (in ms) between two COLO checkpoints */
 #define DEFAULT_MIGRATE_X_CHECKPOINT_DELAY (200 * 100)
 #define DEFAULT_MIGRATE_MULTIFD_CHANNELS 2
-#define DEFAULT_MIGRATE_MULTIFD_PAGE_COUNT 16
+#define DEFAULT_MIGRATE_MULTIFD_PAGE_COUNT 128
 
 /* Background transfer rate for postcopy, 0 means unlimited, note
  * that page requests can still exceed this limit.
-- 
2.20.1




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