RocksDB doesn't really benefit from doing inplace update, so it's better to reroute updates through updateRecord().
One benefit of updateWithDamages() is that we have access to oldRecord, but hopefully we'll also get that information with updateRecord() as part of https://jira.mongodb.org/browse/SERVER-15793
- is related to
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SERVER-17225 [RocksDB] Store all data in a single column family
- Closed
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SERVER-15793 Storage engine's updateRecord function should take oldRec
- Closed