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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
Re: [Qemu-devel] [PATCH 2/4] multifd: Drop x-multifd-page-count parameter, Daniel P . Berrangé, 2019/02/07