[QUESTION] Should we use backup or checkpoint of rocksdb for kvrocks backup about kvrocks HOT 4 CLOSED

It's really a good question, we expected users to use another disk to store the backup, but seems most users won't do that. So it would be fine only to support the checkpoint for kvrocks backup IMO.

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we expected users to use another disk to store the backup

Yes, i think users don't buy this idea, it is not easy to deploy and maintain. For remote backup, that is a good idea because our server originally is a persistent key value server and the backup should not be local. but actually HDFS is not common because some companies don't use it, they may just copy backup to other servers or remote storage.

Maybe it is good idea to support them together, although it is some bit trouble. Firstly, we can only support to use rocksdb checkpoint as kvrocks backup.

from kvrocks.

yeah, it would be better to support both if it didn't import too much complexity.

from kvrocks.

For incremental backup, maybe https://github.com/bitleak/kvrocks/wiki/How-to-backup can give you a idea :)

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