Implement atomic update operations (checkAndPut, checkAndDelete) for REST
client/server
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Key: HBASE-4720
URL: https://issues.apache.org/jira/browse/HBASE-4720
Project: HBase
Issue Type: Improvement
Reporter: Daniel Lord
I have several large application/HBase clusters where an application node will
occasionally need to talk to HBase from a different cluster. In order to help
ensure some of my consistency guarantees I have a sentinel table that is
updated atomically as users interact with the system. This works quite well
for the "regular" hbase client but the REST client does not implement the
checkAndPut and checkAndDelete operations. This exposes the application to
some race conditions that have to be worked around. It would be ideal if the
same checkAndPut/checkAndDelete operations could be supported by the REST
client.
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