[HBASE-5573] Replace client ZooKeeper watchers by simple ZooKeeper reads

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.95.2
• Fix Version/s: 0.95.0
• Component/s: Client, Zookeeper
• Assignee: Nicolas Liochon
• Reporter: Nicolas Liochon
• Created: 13/Mar/12 16:26
• Updated: 02/Jun/14 23:58
• Resolved: 23/May/12 12:38

Description

Some code in the package needs to read data in ZK. This could be done by a simple read, but is actually implemented with a watcher. This holds ZK resources.

Fixing this could also be an opportunity to remove the need for the client to provide the master address and port.

Issue Links

• blocks: HBASE-4495 CatalogTracker has an identity crisis; needs to be cut-back in scope
• relates to: HBASE-5399 Cut the link between the client and the zookeeper ensemble