Swaminathan Balachandran created HDDS-12501:
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Summary: Background thread in RocksDBCheckpointDiffer should
convert backup sst files to store only key and get rid of OmKeyInfo
Key: HDDS-12501
URL: https://issues.apache.org/jira/browse/HDDS-12501
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Swaminathan Balachandran
Currently backup sst directories just stores the hard links to the input sst
files on compaction. We should eventually rewrite the sst file(Atomic rewrite)
and just store the key in the sst file and get rid of OMKeyInfo. This will
significantly reduce the size of the directory significantly reducing the
storage footprint of the sst backup directory. Currently an average of
OMKeyInfo is in the order of few KBs or even more and the average key would be
in the order of 50 bytes at most.
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