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distributed cluster cycle prevention

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Added BYPASS to P2P protocol, and use it to avoid cycling between
cluster gateways.

Distributed clusters are working well now!
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Joey Hess 2024-06-27 12:20:22 -04:00
parent effaf51b1f
commit 3dad9446ce
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8 changed files with 156 additions and 55 deletions
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doc/todo/git-annex_proxies.mdwn
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@ -29,13 +29,6 @@ For June's work on [[design/passthrough_proxy]], remaining todos:
* Since proxying to special remotes is not supported yet, and won't be for
the first release, make it fail in a reasonable way.
* Support distributed clusters: Make a proxy for a cluster repeat
protocol messages on to any remotes that have the same UUID as
the cluster. Needs VIA extension to P2P protocol to avoid cycles.
Status: works, but needs VIA extension to avoid ugly messages and extra
work
* Getting a key from a cluster currently always selects the lowest cost
remote, and always the same remote if cost is the same. Should
round-robin amoung remotes, and prefer to avoid using remotes that
@ -111,3 +104,8 @@ For June's work on [[design/passthrough_proxy]], remaining todos:
* Support proxying for a remote that is proxied by another gateway of
a cluster. (done)
* Support distributed clusters: Make a proxy for a cluster repeat
protocol messages on to any remotes that have the same UUID as
the cluster. Needs extension to P2P protocol to avoid cycles.
(done)