zookeeper-tree utility for export, import and incremental updates
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Key: ZOOKEEPER-496
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-496
Project: Zookeeper
Issue Type: New Feature
Components: contrib
Affects Versions: 3.1.1
Environment: RHEL 4.6, libxml2
Reporter: Anirban Roy
I propose and plan to develop a ZK-tree utility for managing cluster data (ZK
tree) quickly and efficiently. The utility operates on free-form ZK-tree and
hence can be used for any cluster managed by Zookeeper. Here are the basic
functionalities -
Export ZK-tree: The whole ZK-tree is exported into a XML file. This helps in
capturing a current snapshot of the data for backup/analysis. In addition, the
data can be dumped as tree-like text format which is easily readable.
Import ZK-tree: The ZK-tree can be imported from XML into ZK cluster. This
helps in priming the new ZK cluster with static configuration. The import can
be non-intrusive by making only the additions in the existing data.
Diff ZK-tree: Creates a diff between live ZK data vs data saved in XML file.
Diff can ignore some ZK-tree branches (possibly dynamic data) on reading the
flag from XML file.
Update ZK-tree: Make the incremental changes into the live ZK-tree from saved
XML, essentially after running the diff.
Thanks
Anirban
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