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Joey Hess 2024-06-18 10:08:15 -04:00
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doc/todo/git-annex_proxies.mdwn
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@ -54,18 +54,31 @@ For June's work on [[design/passthrough_proxy]], implementation plan:
* Basic proxying to special remote support (non-streaming). * Basic proxying to special remote support (non-streaming).
* Implement upload with fanout and reporting back additional UUIDs over P2P
protocol.
* Getting a key from a cluster should proxy from one of the nodes that has * Getting a key from a cluster should proxy from one of the nodes that has
it, or from the proxy repository itself if it has the key. it, or from the proxy repository itself if it has the key.
* Implement upload with fanout and reporting back additional UUIDs over P2P
protocol.
* On upload to a cluster, as well as fanout to nodes, if the key is * On upload to a cluster, as well as fanout to nodes, if the key is
preferred content of the proxy repository, store it there. preferred content of the proxy repository, store it there.
(But not when preferred content is not configured.) (But not when preferred content is not configured.)
* Implement cluster drops, trying to remove from all nodes, and returning * Implement cluster drops, trying to remove from all nodes, and returning
which UUIDs it was dropped from. which UUIDs it was dropped from.
Problem: May lock content on cluster
nodes to satisfy numcopies (rather than locking elsewhere) and so not be
able to drop from nodes. Avoid using cluster nodes when constructing drop
proof for cluster.
Problem: When nodes are special remotes, may
treat nodes as copies while dropping from cluster, and so violate
numcopies. (But not mincopies.)
Problem: `move --from cluster` in "does this make it worse"
check may fail to realize that dropping from multiple nodes does in fact
make it worse.
* Support proxies-of-proxies better, eg foo-bar-baz. * Support proxies-of-proxies better, eg foo-bar-baz.
Currently, it does work, but have to run `git-annex updateproxy` Currently, it does work, but have to run `git-annex updateproxy`