BookKeeper as a sequencer
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Key: ZOOKEEPER-1009
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1009
Project: ZooKeeper
Issue Type: New Feature
Components: contrib-bookkeeper
Reporter: Flavio Junqueira
Assignee: Flavio Junqueira
It would be interesting to use BookKeeper as a sequencer for a number of
parallel streams of events. The general idea is to use BookKeeper to establish
a total order on the events of concurrent streams, and use the ordered sequence
as the input of an architectural element that processes the events in the
streams. This way the state of the element is reproducible.
Given that we currently interleave the entries of concurrent ledgers in a
bookie for writing efficiently, I believe it wouldn't be difficult to extend
the interface to enable such a feature.
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