brooklyncentral/brooklyn — pull request #1174 by sjcorbett (2014-01-27 13:09:07+00:00)
Title: SshMachineLocation reuses SshTools

Instances of `SshTool` created by `SshMachineLocation` are cached and reused according to the config keys in `SshMachineLocation.REUSABLE_SSH_PROPS`.

Also increases the polling period of sensors on Redis servers from 500ms to 5s.