** Changed in: nova
Assignee: sahid (sahid-ferdjaoui) => (unassigned)
** Changed in: nova
Importance: Low => Undecided
** Changed in: nova
Status: In Progress => Invalid
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https://bugs.launchpad.net/bugs/1337359
Title:
The io_ops_filter is not working while instance is rebuilding.
Status in OpenStack Compute (Nova):
Invalid
Bug description:
I am trying to control the host's ios at the same time. I set the
properties in nova.conf:
scheduler_default_filters=RetryFilter,AvailabilityZoneFilter,RamFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,IoOpsFilter
max_io_ops_per_host=2
But I can still schedule an instance at the host which has two
instances is rebuilding.
The task status of rebuild instances is
REBUILD_SPAWNING="rebuild_spawning", but the io_workload in stats.py
is :
@property
def io_workload(self):
"""Calculate an I/O based load by counting I/O heavy operations."""
def _get(state, state_type):
key = "num_%s_%s" % (state_type, state)
return self.get(key, 0)
num_builds = _get(vm_states.BUILDING, "vm")
num_migrations = _get(task_states.RESIZE_MIGRATING, "task")
num_rebuilds = _get(task_states.REBUILDING, "task")
num_resizes = _get(task_states.RESIZE_PREP, "task")
num_snapshots = _get(task_states.IMAGE_SNAPSHOT, "task")
num_backups = _get(task_states.IMAGE_BACKUP, "task")
return (num_builds + num_rebuilds + num_resizes + num_migrations +
num_snapshots + num_backups)
The I/O heavy operations not contain the "rebuild_spawning" status.
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