git-annex/doc/sims/sizebalanced_cluster.mdwn
Joey Hess 8e94b75a61
support simulating clusters
Without actually simulating cluster implementation at all. Instead, only
the essential fact that cluster gateways know what changes they have
made to each node of a cluster. That is enough for sims like
sizebalanced_cluster.
2024-09-25 14:06:41 -04:00

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Markdown

# Size balanced preferred content sim with multiple repositories sending
# concurrently to the same repositories, in a cluster.
#
# This demonstrates that size balanced preferred content does not get out
# of balance when used with cluster nodes.
init foo
init bar
init node1
init node2
clusternode cluster-node1 node1
clusternode cluster-node2 node2
group node1 cluster
group node2 cluster
wanted node1 sizebalanced=cluster
wanted node2 sizebalanced=cluster
maxsize node1 100gb
maxsize node2 100gb
connect cluster-node2 <- foo -> cluster-node1
connect cluster-node2 <- bar -> cluster-node1
addmulti 10 foo 1gb 2gb foo
addmulti 10 bar 1gb 2gb bar
action foo sendwanted cluster-node1 while action foo sendwanted cluster-node2 while action bar sendwanted cluster-node1 while action bar sendwanted cluster-node2
visit foo git-annex maxsize