Xikui Wang created ASTERIXDB-2071:
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Summary: Add free disk space for Hyracks heartbeat data
Key: ASTERIXDB-2071
URL: https://issues.apache.org/jira/browse/ASTERIXDB-2071
Project: Apache AsterixDB
Issue Type: Bug
Reporter: Xikui Wang
Assignee: Xikui Wang
The current heartbeat data doesn't contains free disk space on each IODevice.
In order to show how much space left, and the space usage of AsterixDB (at some
extend), adding a free disk space stats is a reasonable option. As the
FileUtils.sizeOfDirectory is too expensive, using 'df ' on *NIX system can give
low cost report.
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