Grokbase Groups HBase dev May 2010
Recursive deletes and misc improvements to ZKW

Key: HBASE-2534
Project: Hadoop HBase
Issue Type: Improvement
Reporter: Jean-Daniel Cryans
Assignee: Jean-Daniel Cryans
Fix For: 0.21.0
Attachments: HBASE-2534.patch

For replication I needed to add a bunch of features to ZooKeeperWrapper in order to make it more usable. I'm adding:

- a way to make recursive deletes (sync, so it's slower than async)
- a way to scan a list of znodes and add a watch to each of them
- a way to write a znode and have the method either fail if it already exists or overwrite it
- ensureExists as a public method with javadoc (very useful)

Also adding some more javadoc here and there and a unit test for deletes.

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postedMay 11, '10 at 10:16p
activeMay 11, '10 at 10:16p

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