compactor for compacting boltdb files uploaded by shipper #2526
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What this PR does / why we need it:
Adds compactor service for compacting boltdb files uploaded by shipper.
It would run every 4 hours and requires at least 4 files in a table to compact it since it is not a lot of overhead to query just 2 or 3 files.
I am processing multiple files concurrently and have used batch writes for boltdb which allows concurrent writes without which it was taking a lot of time to compact the files. Without concurrency and batch writes for 3 GB of data it was taking more than an hour and with the improvements, it takes close to 7 minutes on my machine.
Checklist