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The "ZooKeeper/HBaseUseCases" page has been changed by stack. The comment on this change is: Added anchors. http://wiki.apache.org/hadoop/ZooKeeper/HBaseUseCases?action=diff&rev1=12&rev2=13 -------------------------------------------------- If cluster is to shutdown. == Near Future Usecases 0.21 HBase == + <<Anchor(case1)>> === Case 1 === Summary: HBase Table State and Schema Changes @@ -52, +53 @@ [PDH] What we have is [[http://hadoop.apache.org/zookeeper/docs/current/recipes.html#sc_outOfTheBox|here]]. Not much to it really - both for name service and dynamic config you are creating znodes that store relevant data, ZK clients can read/write/watch those nodes. === Case 2 === + <<Anchor(case2)>> Summary: HBase Region Transitions from unassigned to open and from open to unassigned with some intermediate states Expected scale: 100k regions across thousands of RegionServers
