Writing Complex Scripts in HBase Shell

The Story

HBase installations include a shell for running arbitrary commands.
For instance, if you want to view all of your snapshots, you can do something like:

[me@server ~]$ hbase shell
HBase Shell; enter 'help<RETURN>' for list of supported commands.
Type "exit<RETURN>" to leave the HBase Shell
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Sending HBase metrics to Graphite using Python

The story

Although HBase is a crucial component in our current stack, the monitoring for it was quite incomplete. We only had general "is it running?" monitoring, with some very application-specific tests ("make sure scanning this table doesn't take too long").
By sending detailed metrics on our HBase tables ...

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