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mgr/cephadm: do not autotune when _no_autotune_memory label is present

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Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2021-05-04 16:22:21 -04:00
parent 85ea078787
commit 1e4d20a592
2 changed files with 10 additions and 1 deletions
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6
doc/cephadm/host-management.rst
View File

@ -140,6 +140,12 @@ The following host labels have a special meaning to cephadm. All start with ``_
an existing host that already contains Ceph daemons, it will cause cephadm to move
those daemons elsewhere (except OSDs, which are not removed automatically).
* ``_no_autotune_memory``: *Do not autotune memory on this host*.
This label will prevent daemon memory from being tuned even when the
``osd_memory_target_autotune`` or similar option is enabled for one or more daemons
on that host.
* ``_admin``: *Distribute client.admin and ceph.conf to this host*.
By default, an ``_admin`` label is applied to the first host in the cluster (where

5
src/pybind/mgr/cephadm/serve.py
View File

@ -280,7 +280,10 @@ class CephadmServe:
if r:
failures.append(r)
if self.mgr.cache.host_needs_autotune_memory(host):
if (
self.mgr.cache.host_needs_autotune_memory(host)
and not self.mgr.inventory.has_label(host, '_no_autotune_memory')
):
self.log.debug(f"autotuning memory for {host}")
self._autotune_host_memory(host)