Add retry logic to MetricDataLoader
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Key: CHUKWA-506
URL: https://issues.apache.org/jira/browse/CHUKWA-506
Project: Chukwa
Issue Type: Improvement
Affects Versions: 0.4.0
Reporter: William Bajzek
Priority: Minor
When processing data in Chukwa, many steps along the way, when the encounter an
error condition, will attempt to reprocess the data a few times before giving
up. This doesn't happen in post processing (at least when using
MetricDataLoader); for example if there is a SQLException of any kind, it will
move the data to the "inError" directory at which point it becomes AFAIK a
manual process to move the data back to be reprocessed, so it would be nice to
retry a few times in case the exception was transient (database was being
bounced, or similar).
I will attach a patch to be reviewed.
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