Revision tags: v7.0.0, v7.0.0-rc4, v7.0.0-rc3, v7.0.0-rc2, v7.0.0-rc1, v7.0.0-rc0, v6.1.1, v6.2.0, v6.2.0-rc4, v6.2.0-rc3, v6.2.0-rc2, v6.2.0-rc1, v6.2.0-rc0, v6.0.1, v6.1.0, v6.1.0-rc4, v6.1.0-rc3, v6.1.0-rc2, v6.1.0-rc1, v6.1.0-rc0, v6.0.0, v6.0.0-rc5, v6.0.0-rc4, v6.0.0-rc3, v6.0.0-rc2, v6.0.0-rc1, v6.0.0-rc0 |
|
#
cbde7be9 |
| 19-Feb-2021 |
Daniel P. Berrangé <berrange@redhat.com> |
migrate: remove QMP/HMP commands for speed, downtime and cache size
The generic 'migrate_set_parameters' command handle all types of param.
Only the QMP commands were documented in the deprecations
migrate: remove QMP/HMP commands for speed, downtime and cache size
The generic 'migrate_set_parameters' command handle all types of param.
Only the QMP commands were documented in the deprecations page, but the rationale for deprecating applies equally to HMP, and the replacements exist. Furthermore the HMP commands are just shims to the QMP commands, so removing the latter breaks the former unless they get re-implemented.
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
show more ...
|
Revision tags: v5.2.0, v5.2.0-rc4, v5.2.0-rc3, v5.2.0-rc2, v5.2.0-rc1, v5.2.0-rc0, v5.0.1, v5.1.0, v5.1.0-rc3, v5.1.0-rc2, v5.1.0-rc1, v5.1.0-rc0, v4.2.1 |
|
#
6bcd361a |
| 03-Jun-2020 |
Mao Zhongyi <maozhongyi@cmss.chinamobile.com> |
docs/xbzrle: update 'cache miss rate' and 'encoding rate' to docs
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com> Message-Id: <20200603080904.997083-9-maozhongyi@cmss.chinamobile.com> R
docs/xbzrle: update 'cache miss rate' and 'encoding rate' to docs
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com> Message-Id: <20200603080904.997083-9-maozhongyi@cmss.chinamobile.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
show more ...
|
#
afb5d01c |
| 03-Jun-2020 |
Mao Zhongyi <maozhongyi@cmss.chinamobile.com> |
monitor/hmp-cmds: improvements for the 'info migrate'
When running:
(qemu) info migrate globals: store-global-state: on only-migratable: off ... xbzrle transferred: 640892 kbytes xbzrle pages: 1664
monitor/hmp-cmds: improvements for the 'info migrate'
When running:
(qemu) info migrate globals: store-global-state: on only-migratable: off ... xbzrle transferred: 640892 kbytes xbzrle pages: 16645936 pages xbzrle cache miss: 1525426 xbzrle cache miss rate: 0.09 xbzrle encoding rate: 91.42 xbzrle overflow: 40896 ... compression pages: 377710 pages compression busy: 0 compression busy rate: 0.00 compressed size: 463169457 compression rate: 3.33
Add units for 'xbzrle cache miss' and 'compressed size', make it easier to read.
Suggested-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com> Message-Id: <20200603080904.997083-8-maozhongyi@cmss.chinamobile.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
show more ...
|
Revision tags: v5.0.0, v5.0.0-rc4, v5.0.0-rc3, v5.0.0-rc2, v5.0.0-rc1, v5.0.0-rc0 |
|
#
06b1c6f8 |
| 20-Mar-2020 |
Mao Zhongyi <maozhongyi@cmss.chinamobile.com> |
xbzrle: update xbzrle doc
Add new parameter description, also: 1. Remove unsociable space. 2. Nit picking: s/two/2 in report
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com> Message-Id:
xbzrle: update xbzrle doc
Add new parameter description, also: 1. Remove unsociable space. 2. Nit picking: s/two/2 in report
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com> Message-Id: <20200320143216.423374-1-maozhongyi@cmss.chinamobile.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
show more ...
|
Revision tags: v4.2.0, v4.2.0-rc5, v4.2.0-rc4, v4.2.0-rc3, v4.2.0-rc2, v4.1.1, v4.2.0-rc1, v4.2.0-rc0, v4.0.1, v3.1.1.1, v4.1.0, v4.1.0-rc5, v4.1.0-rc4, v3.1.1, v4.1.0-rc3, v4.1.0-rc2, v4.1.0-rc1, v4.1.0-rc0, v4.0.0, v4.0.0-rc4, v3.0.1, v4.0.0-rc3, v4.0.0-rc2, v4.0.0-rc1, v4.0.0-rc0, v3.1.0, v3.1.0-rc5, v3.1.0-rc4, v3.1.0-rc3, v3.1.0-rc2, v3.1.0-rc1, v3.1.0-rc0, v3.0.0, v3.0.0-rc4, v2.12.1, v3.0.0-rc3, v3.0.0-rc2, v3.0.0-rc1, v3.0.0-rc0, v2.11.2, v2.12.0, v2.12.0-rc4, v2.12.0-rc3, v2.12.0-rc2, v2.12.0-rc1, v2.12.0-rc0, v2.11.1, v2.10.2, v2.11.0, v2.11.0-rc5, v2.11.0-rc4, v2.11.0-rc3, v2.11.0-rc2, v2.11.0-rc1, v2.11.0-rc0, v2.10.1, v2.9.1, v2.10.0, v2.10.0-rc4, v2.10.0-rc3, v2.10.0-rc2, v2.10.0-rc1, v2.10.0-rc0, v2.8.1.1, v2.9.0, v2.9.0-rc5, v2.9.0-rc4, v2.9.0-rc3, v2.8.1, v2.9.0-rc2, v2.9.0-rc1, v2.9.0-rc0, v2.7.1, v2.8.0, v2.8.0-rc4, v2.8.0-rc3, v2.8.0-rc2, v2.8.0-rc1, v2.8.0-rc0, v2.6.2 |
|
#
7c2b0f65 |
| 08-Sep-2016 |
Cao jin <caoj.fnst@cn.fujitsu.com> |
docs/xbzrle: correction
1. Default cache size is 64MB. 2. Semantics correction.
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Jua
docs/xbzrle: correction
1. Default cache size is 64MB. 2. Semantics correction.
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
show more ...
|
Revision tags: v2.7.0, v2.7.0-rc5, v2.7.0-rc4, v2.6.1, v2.7.0-rc3, v2.7.0-rc2, v2.7.0-rc1, v2.7.0-rc0, v2.6.0, v2.5.1.1, v2.6.0-rc5, v2.6.0-rc4, v2.6.0-rc3, v2.6.0-rc2, v2.6.0-rc1, v2.6.0-rc0, v2.5.1, v2.5.0, v2.5.0-rc4, v2.5.0-rc3, v2.5.0-rc2, v2.5.0-rc1, v2.5.0-rc0, v2.4.1, v2.4.0.1, v2.4.0, v2.3.1, v2.4.0-rc4, v2.4.0-rc3, v2.4.0-rc2, v2.4.0-rc1, v2.4.0-rc0, v2.3.0, v2.3.0-rc4, v2.3.0-rc3, v2.3.0-rc2, v2.3.0-rc1, v2.3.0-rc0, v2.2.1, v2.1.3, v2.2.0, v2.2.0-rc5, v2.2.0-rc4, v2.2.0-rc3 |
|
#
27af7d6e |
| 24-Nov-2014 |
ChenLiang <chenliang88@huawei.com> |
xbzrle: optimize XBZRLE to decrease the cache misses
Avoid hot pages being replaced by others to remarkably decrease cache misses
Sample results with the test program which quote from xbzrle.txt ra
xbzrle: optimize XBZRLE to decrease the cache misses
Avoid hot pages being replaced by others to remarkably decrease cache misses
Sample results with the test program which quote from xbzrle.txt ran in vm:(migrate bandwidth:1GE and xbzrle cache size 8MB)
the test program:
include <stdlib.h> include <stdio.h> int main() { char *buf = (char *) calloc(4096, 4096); while (1) { int i; for (i = 0; i < 4096 * 4; i++) { buf[i * 4096 / 4]++; } printf("."); } }
before this patch: virsh qemu-monitor-command test_vm '{"execute": "query-migrate"}' {"return":{"expected-downtime":1020,"xbzrle-cache":{"bytes":1108284, "cache-size":8388608,"cache-miss-rate":0.987013,"pages":18297,"overflow":8, "cache-miss":1228737},"status":"active","setup-time":10,"total-time":52398, "ram":{"total":12466991104,"remaining":1695744,"mbps":935.559472, "transferred":5780760580,"dirty-sync-counter":271,"duplicate":2878530, "dirty-pages-rate":29130,"skipped":0,"normal-bytes":5748592640, "normal":1403465}},"id":"libvirt-706"}
18k pages sent compressed in 52 seconds. cache-miss-rate is 98.7%, totally miss.
after optimizing: virsh qemu-monitor-command test_vm '{"execute": "query-migrate"}' {"return":{"expected-downtime":2054,"xbzrle-cache":{"bytes":5066763, "cache-size":8388608,"cache-miss-rate":0.485924,"pages":194823,"overflow":0, "cache-miss":210653},"status":"active","setup-time":11,"total-time":18729, "ram":{"total":12466991104,"remaining":3895296,"mbps":937.663549, "transferred":1615042219,"dirty-sync-counter":98,"duplicate":2869840, "dirty-pages-rate":58781,"skipped":0,"normal-bytes":1588404224, "normal":387794}},"id":"libvirt-266"}
194k pages sent compressed in 18 seconds. The value of cache-miss-rate decrease to 48.59%.
Signed-off-by: ChenLiang <chenliang88@huawei.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
show more ...
|
Revision tags: v2.2.0-rc2, v2.2.0-rc1, v2.2.0-rc0, v2.1.2, v2.1.1, v2.0.2, v2.0.1, v2.1.0, v2.1.0-rc5, v2.1.0-rc4, v2.1.0-rc3, v1.7.2, v2.1.0-rc2, v2.1.0-rc1, v2.1.0-rc0, v2.0.0, v2.0.0-rc3, v2.0.0-rc2, v2.0.0-rc1, v2.0.0-rc0, v1.7.1, v1.6.2, v1.7.0, v1.7.0-rc2, v1.7.0-rc1, v1.7.0-rc0, v1.6.1, v1.5.3, v1.6.0, v1.6.0-rc3, v1.6.0-rc2, v1.6.0-rc1, v1.6.0-rc0, v1.5.2, v1.5.1, v1.4.2, v1.5.0, v1.5.0-rc3, v1.5.0-rc2, v1.5.0-rc1, v1.5.0-rc0, v1.4.1, v1.4.0, v1.4.0-rc2, v1.4.0-rc1, v1.4.0-rc0, v1.3.1, v1.2.2, v1.3.0, v1.3.0-rc2, v1.3.0-rc1, v1.3.0-rc0, v1.2.1, v1.1.2, v1.2.0, v1.2.0-rc3, v1.2.0-rc2, v1.2.0-rc1, v1.2.0-rc0 |
|
#
34c26412 |
| 06-Aug-2012 |
Orit Wasserman <owasserm@redhat.com> |
Add XBZRLE documentation
Signed-off-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
|