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Jyothi avatar image
Jyothi asked Erick Ramirez answered

Are writes allowed in Cassandra when snapshot is happening?

Does write operation is allowed in cassandra while a sanpshot process is running?

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steve.lacerda answered steve.lacerda edited

Snapshots are just links to files, which literally takes seconds (of course depending on the number of files being linked). But the answer is yes. Taking a snapshot has no effect on the writes/reads, they are totally different operations that are not at all dependent on each other.

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Erick Ramirez avatar image
Erick Ramirez answered

Yes, writes can take place at the same time as snapshots because they are independent of each other.

This is possible because Cassandra is an "always-on" database -- there are no offline operations even with upgrades. Cheers!

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