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Use provisioned memory for mem migration selector

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Use the new "provisioned" memory field, instead of the "allocated"
memory field, to determine the optimal node when using the "mem"
migration selector. This will take into account non-running VMs in the
calculation as well as running VMs.
This commit is contained in:
Joshua Boniface
2020-10-18 14:12:24 -04:00
parent a4b80be5ed
commit f749633f7c
2 changed files with 10 additions and 10 deletions
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10
node-daemon/pvcnoded/common.py
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@ -197,19 +197,19 @@ def getNodes(zk_conn, node_limit, dom_uuid):
# via free memory (relative to allocated memory)
def findTargetNodeMem(zk_conn, node_limit, dom_uuid):
most_allocfree = 0
most_provfree = 0
target_node = None
node_list = getNodes(zk_conn, node_limit, dom_uuid)
for node in node_list:
memalloc = int(zkhandler.readdata(zk_conn, '/nodes/{}/memalloc'.format(node)))
memprov = int(zkhandler.readdata(zk_conn, '/nodes/{}/memprov'.format(node)))
memused = int(zkhandler.readdata(zk_conn, '/nodes/{}/memused'.format(node)))
memfree = int(zkhandler.readdata(zk_conn, '/nodes/{}/memfree'.format(node)))
memtotal = memused + memfree
allocfree = memtotal - memalloc
provfree = memtotal - memprov
if allocfree > most_allocfree:
most_allocfree = allocfree
if provfree > most_provfree:
most_provfree = provfree
target_node = node
return target_node