Feature assignment index tracking #6
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| } | ||
| } catch( InterruptedException e ) { | ||
| logger.warn("Interrupted while shutting down processes."); | ||
| } |
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This block should be wrapped up and moved out of the way.
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Cleanup task should cleanup processor documents. |
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Fixes #5 |
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Feature assignment index tracking
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Not waiting for etcd state updates after a decision causes wild state changes while nodes enter or exit the cluster. This change forces the assignment service to wait for changes to be reflected in etcd before more decisions can be made. It also adds a new document in etcd for each running processor. This allows the cluster to detect processors that are shutting down and smoothly reassign their processes.
This change adds a new layer of directories when creating processors. Process documents are no longer stored directly under the process directory, instead a
precessessubdirectory holds those documents and aprocessorsdirectory holds the documents representing each active processor in the cluster.