{ 'struct': 'MigrationStats',
'data': {'transferred': 'int', 'remaining': 'int', 'total': 'int' ,
'duplicate': 'int',
- 'skipped': { 'type': 'int', 'features': ['deprecated'] },
+ 'skipped': { 'type': 'int', 'features': [ 'deprecated' ] },
'normal': 'int',
'normal-bytes': 'int', 'dirty-pages-rate': 'int',
'mbps': 'number', 'dirty-sync-count': 'int',
# average memory load of the virtual CPU indirectly. Note that
# zero means guest doesn't dirty memory. (Since 8.1)
#
+# Features:
+#
+# @deprecated: Member @disk is deprecated because block migration is.
+# Member @compression is deprecated because it is unreliable and
+# untested. It is recommended to use multifd migration, which
+# offers an alternative compression implementation that is
+# reliable and tested.
+#
# Since: 0.14
##
{ 'struct': 'MigrationInfo',
'data': {'*status': 'MigrationStatus', '*ram': 'MigrationStats',
- '*disk': 'MigrationStats',
+ '*disk': { 'type': 'MigrationStats', 'features': [ 'deprecated' ] },
'*vfio': 'VfioStats',
'*xbzrle-cache': 'XBZRLECacheStats',
'*total-time': 'int',
'*blocked-reasons': ['str'],
'*postcopy-blocktime': 'uint32',
'*postcopy-vcpu-blocktime': ['uint32'],
- '*compression': 'CompressionStats',
+ '*compression': { 'type': 'CompressionStats', 'features': [ 'deprecated' ] },
'*socket-address': ['SocketAddress'],
'*dirty-limit-throttle-time-per-round': 'uint64',
'*dirty-limit-ring-full-time': 'uint64'} }
# compress and xbzrle are both on, compress only takes effect in
# the ram bulk stage, after that, it will be disabled and only
# xbzrle takes effect, this can help to minimize migration
-# traffic. The feature is disabled by default. (since 2.4 )
+# traffic. The feature is disabled by default. (since 2.4)
#
-# @events: generate events for each migration state change (since 2.4
-# )
+# @events: generate events for each migration state change (since 2.4)
#
# @auto-converge: If enabled, QEMU will automatically throttle down
# the guest to speed up convergence of RAM migration. (since 1.6)
#
# Features:
#
+# @deprecated: Member @block is deprecated. Use blockdev-mirror with
+# NBD instead. Member @compression is deprecated because it is
+# unreliable and untested. It is recommended to use multifd
+# migration, which offers an alternative compression
+# implementation that is reliable and tested.
+#
# @unstable: Members @x-colo and @x-ignore-shared are experimental.
#
# Since: 1.2
##
{ 'enum': 'MigrationCapability',
'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks',
- 'compress', 'events', 'postcopy-ram',
+ { 'name': 'compress', 'features': [ 'deprecated' ] },
+ 'events', 'postcopy-ram',
{ 'name': 'x-colo', 'features': [ 'unstable' ] },
'release-ram',
- 'block', 'return-path', 'pause-before-switchover', 'multifd',
+ { 'name': 'block', 'features': [ 'deprecated' ] },
+ 'return-path', 'pause-before-switchover', 'multifd',
'dirty-bitmaps', 'postcopy-blocktime', 'late-block-activate',
{ 'name': 'x-ignore-shared', 'features': [ 'unstable' ] },
'validate-uuid', 'background-snapshot',
# @max-bandwidth: to set maximum speed for migration. maximum speed
# in bytes per second. (Since 2.8)
#
+# @avail-switchover-bandwidth: to set the available bandwidth that
+# migration can use during switchover phase. NOTE! This does not
+# limit the bandwidth during switchover, but only for calculations when
+# making decisions to switchover. By default, this value is zero,
+# which means QEMU will estimate the bandwidth automatically. This can
+# be set when the estimated value is not accurate, while the user is
+# able to guarantee such bandwidth is available when switching over.
+# When specified correctly, this can make the switchover decision much
+# more accurate. (Since 8.2)
+#
# @downtime-limit: set maximum tolerated downtime for migration.
# maximum downtime in milliseconds (Since 2.8)
#
#
# Features:
#
+# @deprecated: Member @block-incremental is deprecated. Use
+# blockdev-mirror with NBD instead. Members @compress-level,
+# @compress-threads, @decompress-threads and @compress-wait-thread
+# are deprecated because @compression is deprecated.
+#
# @unstable: Members @x-checkpoint-delay and @x-vcpu-dirty-limit-period
# are experimental.
#
{ 'enum': 'MigrationParameter',
'data': ['announce-initial', 'announce-max',
'announce-rounds', 'announce-step',
- 'compress-level', 'compress-threads', 'decompress-threads',
- 'compress-wait-thread', 'throttle-trigger-threshold',
+ { 'name': 'compress-level', 'features': [ 'deprecated' ] },
+ { 'name': 'compress-threads', 'features': [ 'deprecated' ] },
+ { 'name': 'decompress-threads', 'features': [ 'deprecated' ] },
+ { 'name': 'compress-wait-thread', 'features': [ 'deprecated' ] },
+ 'throttle-trigger-threshold',
'cpu-throttle-initial', 'cpu-throttle-increment',
'cpu-throttle-tailslow',
'tls-creds', 'tls-hostname', 'tls-authz', 'max-bandwidth',
- 'downtime-limit',
+ 'avail-switchover-bandwidth', 'downtime-limit',
{ 'name': 'x-checkpoint-delay', 'features': [ 'unstable' ] },
- 'block-incremental',
+ { 'name': 'block-incremental', 'features': [ 'deprecated' ] },
'multifd-channels',
'xbzrle-cache-size', 'max-postcopy-bandwidth',
'max-cpu-throttle', 'multifd-compression',
# @max-bandwidth: to set maximum speed for migration. maximum speed
# in bytes per second. (Since 2.8)
#
+# @avail-switchover-bandwidth: to set the available bandwidth that
+# migration can use during switchover phase. NOTE! This does not
+# limit the bandwidth during switchover, but only for calculations when
+# making decisions to switchover. By default, this value is zero,
+# which means QEMU will estimate the bandwidth automatically. This can
+# be set when the estimated value is not accurate, while the user is
+# able to guarantee such bandwidth is available when switching over.
+# When specified correctly, this can make the switchover decision much
+# more accurate. (Since 8.2)
+#
# @downtime-limit: set maximum tolerated downtime for migration.
# maximum downtime in milliseconds (Since 2.8)
#
#
# Features:
#
+# @deprecated: Member @block-incremental is deprecated. Use
+# blockdev-mirror with NBD instead. Members @compress-level,
+# @compress-threads, @decompress-threads and @compress-wait-thread
+# are deprecated because @compression is deprecated.
+#
# @unstable: Members @x-checkpoint-delay and @x-vcpu-dirty-limit-period
# are experimental.
#
'*announce-max': 'size',
'*announce-rounds': 'size',
'*announce-step': 'size',
- '*compress-level': 'uint8',
- '*compress-threads': 'uint8',
- '*compress-wait-thread': 'bool',
- '*decompress-threads': 'uint8',
+ '*compress-level': { 'type': 'uint8',
+ 'features': [ 'deprecated' ] },
+ '*compress-threads': { 'type': 'uint8',
+ 'features': [ 'deprecated' ] },
+ '*compress-wait-thread': { 'type': 'bool',
+ 'features': [ 'deprecated' ] },
+ '*decompress-threads': { 'type': 'uint8',
+ 'features': [ 'deprecated' ] },
'*throttle-trigger-threshold': 'uint8',
'*cpu-throttle-initial': 'uint8',
'*cpu-throttle-increment': 'uint8',
'*tls-hostname': 'StrOrNull',
'*tls-authz': 'StrOrNull',
'*max-bandwidth': 'size',
+ '*avail-switchover-bandwidth': 'size',
'*downtime-limit': 'uint64',
'*x-checkpoint-delay': { 'type': 'uint32',
'features': [ 'unstable' ] },
- '*block-incremental': 'bool',
+ '*block-incremental': { 'type': 'bool',
+ 'features': [ 'deprecated' ] },
'*multifd-channels': 'uint8',
'*xbzrle-cache-size': 'size',
'*max-postcopy-bandwidth': 'size',
# Example:
#
# -> { "execute": "migrate-set-parameters" ,
-# "arguments": { "compress-level": 1 } }
+# "arguments": { "multifd-channels": 5 } }
# <- { "return": {} }
##
{ 'command': 'migrate-set-parameters', 'boxed': true,
# @max-bandwidth: to set maximum speed for migration. maximum speed
# in bytes per second. (Since 2.8)
#
+# @avail-switchover-bandwidth: to set the available bandwidth that
+# migration can use during switchover phase. NOTE! This does not
+# limit the bandwidth during switchover, but only for calculations when
+# making decisions to switchover. By default, this value is zero,
+# which means QEMU will estimate the bandwidth automatically. This can
+# be set when the estimated value is not accurate, while the user is
+# able to guarantee such bandwidth is available when switching over.
+# When specified correctly, this can make the switchover decision much
+# more accurate. (Since 8.2)
+#
# @downtime-limit: set maximum tolerated downtime for migration.
# maximum downtime in milliseconds (Since 2.8)
#
#
# Features:
#
+# @deprecated: Member @block-incremental is deprecated. Use
+# blockdev-mirror with NBD instead. Members @compress-level,
+# @compress-threads, @decompress-threads and @compress-wait-thread
+# are deprecated because @compression is deprecated.
+#
# @unstable: Members @x-checkpoint-delay and @x-vcpu-dirty-limit-period
# are experimental.
#
'*announce-max': 'size',
'*announce-rounds': 'size',
'*announce-step': 'size',
- '*compress-level': 'uint8',
- '*compress-threads': 'uint8',
- '*compress-wait-thread': 'bool',
- '*decompress-threads': 'uint8',
+ '*compress-level': { 'type': 'uint8',
+ 'features': [ 'deprecated' ] },
+ '*compress-threads': { 'type': 'uint8',
+ 'features': [ 'deprecated' ] },
+ '*compress-wait-thread': { 'type': 'bool',
+ 'features': [ 'deprecated' ] },
+ '*decompress-threads': { 'type': 'uint8',
+ 'features': [ 'deprecated' ] },
'*throttle-trigger-threshold': 'uint8',
'*cpu-throttle-initial': 'uint8',
'*cpu-throttle-increment': 'uint8',
'*tls-hostname': 'str',
'*tls-authz': 'str',
'*max-bandwidth': 'size',
+ '*avail-switchover-bandwidth': 'size',
'*downtime-limit': 'uint64',
'*x-checkpoint-delay': { 'type': 'uint32',
'features': [ 'unstable' ] },
- '*block-incremental': 'bool',
+ '*block-incremental': { 'type': 'bool',
+ 'features': [ 'deprecated' ] },
'*multifd-channels': 'uint8',
'*xbzrle-cache-size': 'size',
'*max-postcopy-bandwidth': 'size',
#
# -> { "execute": "query-migrate-parameters" }
# <- { "return": {
-# "decompress-threads": 2,
+# "multifd-channels": 2,
# "cpu-throttle-increment": 10,
-# "compress-threads": 8,
-# "compress-level": 1,
# "cpu-throttle-initial": 20,
# "max-bandwidth": 33554432,
# "downtime-limit": 300
#
# @resume: resume one paused migration, default "off". (since 3.0)
#
+# Features:
+#
+# @deprecated: Members @inc and @blk are deprecated. Use
+# blockdev-mirror with NBD instead.
+#
# Returns: nothing on success
#
# Since: 0.14
# <- { "return": {} }
##
{ 'command': 'migrate',
- 'data': {'uri': 'str', '*blk': 'bool', '*inc': 'bool',
+ 'data': {'uri': 'str',
+ '*blk': { 'type': 'bool', 'features': [ 'deprecated' ] },
+ '*inc': { 'type': 'bool', 'features': [ 'deprecated' ] },
'*detach': 'bool', '*resume': 'bool' } }
##
projects / mirror_qemu.git / blobdiff