>>> Ken Gaillot <[email protected]> schrieb am 06.02.2023 um 16:29 in >>> Nachricht <[email protected]>: > Hi all, > > Node attributes will receive several enhacements in the Pacemaker 2.1.6 > release, expected in late May. They are available now in the main > branch. > > A longstanding request to support transient utilization attributes has > been implemented. Utilization attributes are used to assign resources > to nodes based on local metrics such as CPU cores, RAM size, etc. > Previously, these metrics could only be specified as permanent node > attributes. As of 2.1.6, they can be set as transient node attributes > as well (which last only until the cluster is restarted on the node).
Can you explain the advantages of that change? > > Separately, attrd_updater will now support the -P/--pattern option to > modify all attributes whose name matches a given pattern. Previously, > only crm_attribute had the option. > > attrd_updater and crm_attribute also both get a new -W/--wait option > that can be set to "no", "local", or "cluster" when changing an > attribute value. > > With --wait=no (the default), the current behavior is preserved: the > command returns as soon as the request has been submitted to the > attribute manager. > > With --wait=local, the tool will not return until the new value has > been set locally. That is, a query run on the same node would return > the new value. > > With --wait=cluster, the tool will not return until the new value has > been set on all nodes. That is, a query on any node would return the > new value. > > The --wait option will benefit scripts and resource agents that need > specific guarantees. The feature set can be compared against 3.17.4 to > determine support. > -- > Ken Gaillot <[email protected]> > > _______________________________________________ > Manage your subscription: > https://lists.clusterlabs.org/mailman/listinfo/users > > ClusterLabs home: https://www.clusterlabs.org/ _______________________________________________ Manage your subscription: https://lists.clusterlabs.org/mailman/listinfo/users ClusterLabs home: https://www.clusterlabs.org/
