power of 2. The cache default value is 64MBytes. (on source only)
{qemu} migrate_set_cache_size 256m
+Commit 73af8dd8d7 "migration: Make xbzrle_cache_size a migration parameter"
+(v2.11.0) deprecated migrate-set-cache-size, therefore, the new parameter
+is recommended.
+ {qemu} migrate_set_parameter xbzrle-cache-size 256m
+
4. Start outgoing migration
{qemu} migrate -d tcp:destination.host:4444
{qemu} info migrate
xbzrle transferred: I kbytes
xbzrle pages: J pages
xbzrle cache miss: K
- xbzrle overflow : L
+ xbzrle overflow: L
xbzrle cache-miss: the number of cache misses to date - high cache-miss rate
indicates that the cache size is set too low.