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Daniel Henrique Barboza 3a58613b0c manpages/virsh.rst: clarify numatune memory migration on Linux 
On Linux, changing the nodeset on 'numatune' does not imply that
the guest memory will be migrated on the spot to the new nodeset.
The memory migration is tied on guest usage of the memory pages,
and an idle guest will take longer to have its memory migrated
to the new nodeset.

This is a behavior explained in detail in the Linux kernel
documentation in Documentation/admin-guide/cgroup-v1/cpusets.rst.
The user doesn't need this level of detail though - just needs
his/her expectations under check. Running 'numastat' and hoping
for instant memory migration from the previous nodeset to the new
one is not viable.

There's also parts of the memory that are locked by QEMU in the
same place, e.g. when VFIO devices are present. Let's also
mention it as another factor that impacts the results the
user might expect from NUMA memory migration with numatune.

https://bugzilla.redhat.com/show_bug.cgi?id=1640869

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2020-06-16 14:06:37 +02:00
..
fonts Convert all remaining Markdown files to reStructuredText 2020-04-14 16:29:04 +02:00
gitdm gitdm: Add missing entries 2020-06-04 12:06:08 +02:00
html
internals virCommand: Actually acquire pidfile instead of just writing it 2020-03-24 15:44:23 +01:00
js docs: Fix Blog Planet links 2019-06-20 17:01:44 +02:00
kbase docs: Describe protected virtualization guest setup 2020-06-16 09:43:45 +02:00
logos docs: add SVGs for sticker logos 2019-08-29 12:46:33 +01:00
manpages manpages/virsh.rst: clarify numatune memory migration on Linux 2020-06-16 14:06:37 +02:00
schemas conf: add an attribute to turn on NAT for IPv6 virtual networks 2020-06-15 17:10:15 +01:00
404.html.in Use https:// links for most sites 2017-10-16 10:22:34 +01:00
acl.html.in docs: switch to using HTML5 doctype declaration 2017-08-02 17:00:11 +01:00
aclpolkit.html.in docs: point to GitLab as the primary git hosting 2020-06-03 13:38:33 +02:00
advanced-tests.rst docs: Add advanced-tests.rst 2020-04-08 09:32:39 +02:00
android-chrome-192x192.png docs: add full set of "favicon" files to support modern clients 2017-08-02 17:00:11 +01:00
android-chrome-256x256.png docs: add full set of "favicon" files to support modern clients 2017-08-02 17:00:11 +01:00
api_extension.html.in docs: Make anchors follow HTML5 2019-08-28 13:39:26 +02:00
api.html.in Remove phyp driver 2019-12-20 12:25:42 -05:00
apple-touch-icon.png docs: add full set of "favicon" files to support modern clients 2017-08-02 17:00:11 +01:00
apps.html.in docs: fixing typos 'libivrt' > 'libvirt' 2020-01-17 16:44:31 +01:00
architecture.fig
architecture.gif
architecture.html.in docs: remove mention of legacy Xen driver 2018-04-09 11:38:47 -06:00
auditlog.html.in docs: fixing typos 'libivrt' > 'libvirt' 2020-01-17 16:44:31 +01:00
auth.html.in docs/auth.html.in: fixed typos 2019-12-23 10:08:05 +00:00
best-practices.rst docs: point users to gitlab for issue tracking 2020-04-09 16:31:17 +01:00
bindings.html.in docs: point to GitLab as the primary git hosting 2020-06-03 13:38:33 +02:00
browserconfig.xml docs: add full set of "favicon" files to support modern clients 2017-08-02 17:00:11 +01:00
bugs.html.in docs: point users to gitlab for issue tracking 2020-04-09 16:31:17 +01:00
cgroups.html.in doc: cgroups: Remove unwanted references to systemd 2019-11-15 15:45:20 +01:00
ci.rst docs: Remove libvirt-dockerfiles from CI dashboard 2020-06-15 14:40:24 +02:00
coding-style.rst docs: Use definition list instead of table in coding style 2020-05-11 13:55:25 +02:00
committer-guidelines.rst docs: Add committer-guidelines.rst 2020-04-08 09:32:36 +02:00
compiling.html.in gnulib: delete all gnulib integration 2020-02-07 15:03:54 +00:00
contact.html.in docs: switch to using HTML5 doctype declaration 2017-08-02 17:00:11 +01:00
contribute.html.in po: update docs to refer to Weblate instead of Zanata 2020-06-08 16:38:47 +01:00
csharp.html.in docs: point to GitLab as the primary git hosting 2020-06-03 13:38:33 +02:00
daemons.rst docs: fix mistaken description of the read-only socket units 2020-04-16 16:26:13 +01:00
dbus.html.in docs: point to GitLab as the primary git hosting 2020-06-03 13:38:33 +02:00
developer-tooling.rst docs: Add developer-tooling.rst 2020-04-08 09:32:35 +02:00
devguide.html.in docs: update all GIT repo examples to use https:// protocol 2018-03-21 14:48:01 +00:00
docs.html.in docs: introduce a page showing a overall CI dashboard 2020-05-11 12:35:03 +01:00
downloads.html.in docs: Update after libvirt-ruby repository rename 2020-05-15 16:18:18 +02:00
drivers.html.in secrets: add support for running secret driver in embedded mode 2020-01-27 11:04:29 +00:00
drvbhyve.html.in docs: bhyve: warn about bhyve:commandline risks 2019-02-01 22:08:55 +04:00
drvesx.html.in docs: mention lifted vCPUs restriction for esx 2019-11-14 14:55:56 +01:00
drvhyperv.html.in docs: switch to using HTML5 doctype declaration 2017-08-02 17:00:11 +01:00
drvlxc.html.in docs: Grammar and spelling fixes 2018-05-03 12:40:37 +01:00
drvnodedev.html.in docs: Document full node device xml in formatnode.html.in 2020-05-22 12:28:59 +02:00
drvopenvz.html.in docs: switch to using HTML5 doctype declaration 2017-08-02 17:00:11 +01:00
drvqemu.html.in qemu: do not allow /dev/rtc or /dev/hpet access via the devices cgroup 2020-05-19 10:04:06 +02:00
drvremote.html.in docs: switch to using HTML5 doctype declaration 2017-08-02 17:00:11 +01:00
drvsecret.html.in docs: fix since version in driver documentation 2020-01-27 17:36:05 +01:00
drvtest.html.in docs: switch to using HTML5 doctype declaration 2017-08-02 17:00:11 +01:00
drvvbox.html.in docs: Update vbox driver documentation. 2017-11-07 17:50:15 -05:00
drvvirtuozzo.html.in docs: switch to using HTML5 doctype declaration 2017-08-02 17:00:11 +01:00
drvvmware.html.in docs: switch to using HTML5 doctype declaration 2017-08-02 17:00:11 +01:00
drvxen.html.in libxl: Drop support for parsing sxpr format in libxlConnectDomainXMLFromNative 2019-07-09 10:27:19 +02:00
errors.html.in docs: Grammar and spelling fixes 2018-05-03 12:40:37 +01:00
favicon-16x16.png docs: add full set of "favicon" files to support modern clients 2017-08-02 17:00:11 +01:00
favicon-32x32.png docs: add full set of "favicon" files to support modern clients 2017-08-02 17:00:11 +01:00
favicon.ico docs: add full set of "favicon" files to support modern clients 2017-08-02 17:00:11 +01:00
firewall.html.in network: allow configuring firewalld zone for virtual network bridge device 2019-02-01 12:57:13 -05:00
format.html.in backup: Document new XML for backups 2019-12-10 12:41:56 +01:00
formatbackup.html.in backup: Allow 'encryption' of backups and scratch images 2020-04-14 18:49:41 +02:00
formatcaps.html.in conf: add support for specifying CPU "dies" parameter 2020-01-16 15:11:42 +00:00
formatcheckpoint.html.in backup: Document new XML for backups 2019-12-10 12:41:56 +01:00
formatdomain.html.in conf: Add firmware blob configuration 2020-06-10 14:00:38 +02:00
formatdomaincaps.html.in conf: Advertise migratable attribute for CPU in domcaps 2020-06-09 20:32:50 +02:00
formatnetwork.html.in conf: add an attribute to turn on NAT for IPv6 virtual networks 2020-06-15 17:10:15 +01:00
formatnetworkport.html.in docs: document port isolated property in domain/network/networkport 2020-02-26 11:48:23 -05:00
formatnode.html.in docs: Document full node device xml in formatnode.html.in 2020-05-22 12:28:59 +02:00
formatnwfilter.html.in Drop UML driver 2018-12-17 17:52:46 +01:00
formatsecret.html.in docs: secret: Unify and sanitize examples on how to set secret value 2020-01-28 18:10:36 +01:00
formatsnapshot.html.in backup: Prevent snapshots and checkpoints at same time 2019-07-29 08:22:29 -05:00
formatstorage.html.in storage: optional 'refresh' elemement on pool 2019-03-19 16:46:21 +01:00
formatstoragecaps.html.in caps: drop requiredSourceElements from storage pool capabilities 2019-03-07 12:01:09 +01:00
formatstorageencryption.html.in storage: Disallow create/resize of qcow2 encrypted images 2018-06-26 14:02:43 -04:00
generic.css docs: add styling for <tt> element 2019-12-04 15:48:28 +00:00
goals.html.in docs: switch to using HTML5 doctype declaration 2017-08-02 17:00:11 +01:00
governance.html.in docs/governance: Clarify the version number of the LGPL 2019-01-25 14:04:20 +01:00
hacking.rst po: update docs to refer to Weblate instead of Zanata 2020-06-08 16:38:47 +01:00
hooks.html.in network: convert hook script to take a network port XML 2019-06-17 15:19:54 +01:00
index.html.in backup: Document new XML for backups 2019-12-10 12:41:56 +01:00
internals.html.in docs: switch to using HTML5 doctype declaration 2017-08-02 17:00:11 +01:00
java.html.in docs: point to GitLab as the primary git hosting 2020-06-03 13:38:33 +02:00
kbase.html.in docs: Describe protected virtualization guest setup 2020-06-16 09:43:45 +02:00
libvirt-daemon-arch.fig
libvirt-daemon-arch.png
libvirt-driver-arch.fig
libvirt-driver-arch.png
libvirt-go-xml.rst docs: add pages to support Go module package resolution 2020-01-27 11:51:46 +00:00
libvirt-go.rst docs: add pages to support Go module package resolution 2020-01-27 11:51:46 +00:00
libvirt-object-model.fig
libvirt-object-model.png
libvirt-virConnect-example.fig
libvirt-virConnect-example.png
libvirt.css news: Convert to reStructuredText 2020-06-05 16:27:33 +02:00
logging.html.in logging.html.in: fix number of output formats available 2020-05-20 10:36:17 +02:00
main.css docs: make website responsive for mobile devices 2017-08-07 14:44:40 +01:00
Makefile.am news: Convert to reStructuredText 2020-06-05 16:27:33 +02:00
manifest.json docs: Fix syntax-check error 2017-08-02 15:00:28 -04:00
migration-managed-direct.fig
migration-managed-direct.png
migration-managed-p2p.fig
migration-managed-p2p.png
migration-native.fig
migration-native.png
migration-tunnel.fig
migration-tunnel.png
migration-unmanaged-direct.fig
migration-unmanaged-direct.png
migration.html.in docs: relax CSS context match for pretty tables 2019-12-04 15:48:28 +00:00
mobile.css docs: add advanced search capabilities 2019-04-11 15:20:17 +01:00
mstile-150x150.png docs: add full set of "favicon" files to support modern clients 2017-08-02 17:00:11 +01:00
newapi.xsl docs: relax CSS context match for pretty tables 2019-12-04 15:48:28 +00:00
newreposetup.rst docs: Document CIRRUS_GITHUB_REPO variable 2020-06-11 12:03:41 +02:00
node.fig
node.gif
nss.html.in docs: switch to using HTML5 doctype declaration 2017-08-02 17:00:11 +01:00
page.xsl docs: add 'edit this page' link to footer of every page 2020-04-09 12:01:49 +01:00
pci-addresses.rst docs: Document reserved PCI addresses for QEMU 2020-04-24 09:55:29 +02:00
pci-hotplug.html.in docs: Advertise pcie-to-pci-bridge for use on q35 2019-06-20 10:03:22 +02:00
php.html.in docs: point to GitLab as the primary git hosting 2020-06-03 13:38:33 +02:00
platforms.html.in docs: expand macOS platform support coverage 2020-01-03 15:42:12 +00:00
programming-languages.rst docs: Add programming-languages.rst 2020-04-08 09:32:32 +02:00
python.html.in doc/python: Update to Python 3 2020-04-20 14:06:25 +01:00
remote.html.in docs: move docs about remote driver URIs into URI docs 2019-12-04 15:48:28 +00:00
securityprocess.html.in docs: point to GitLab as the primary git hosting 2020-06-03 13:38:33 +02:00
site.xsl docs: add 'edit this page' link to footer of every page 2020-04-09 12:01:49 +01:00
storage.html.in storage: add vmfs filesystem type 2019-12-20 14:31:08 +01:00
strategy.html.in docs: attempt to document the general libvirt dev strategy 2019-10-01 13:08:01 +01:00
structures.fig
styleguide.rst docs: Document list-tables as recommended 2020-05-11 13:55:27 +02:00
submitting-patches.rst docs: Add submitting-patches.rst 2020-04-08 09:32:42 +02:00
subsite.xsl docs: add 'edit this page' link to footer of every page 2020-04-09 12:01:49 +01:00
support.html.in docs: Grammar and spelling fixes 2018-05-03 12:40:37 +01:00
testapi.html.in docs: point to GitLab as the primary git hosting 2020-06-03 13:38:33 +02:00
testsuites.html.in docs: point to GitLab as the primary git hosting 2020-06-03 13:38:33 +02:00
testtck.html.in docs: point to GitLab as the primary git hosting 2020-06-03 13:38:33 +02:00
tlscerts.html.in docs: split TLS certificate setup into its own file 2019-12-04 15:48:28 +00:00
uri.html.in docs: move docs about remote driver URIs into URI docs 2019-12-04 15:48:28 +00:00
virshcmdref.html.in docs: virshcmdref: change repo URL to GitLab 2020-06-03 13:38:33 +02:00
windows.html.in build: mandate use of a build dir != src dir 2019-11-08 17:07:35 +01:00
wrapstring.xsl