Questions tagged [scylladb]

A Cassandra-compatible NoSQL data store.

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Which is the right choice for an app dating ScyllaDB or MongoDB?

How does ScyllaDB compare to MongoDB in terms of handling semi-structured data and schema flexibility? Are there any third-party solutions or workarounds needed to achieve similar functionality? How ...
Farshad's user avatar
  • 97
0 votes
1 answer

How can I make (game_id, user_id) unique, yet (game_id, score) indexed/clustered, in ScyllaDB?

See this in ScyllaDB: CREATE TABLE scores_leaderboards ( game_id int, score int, user_id bigint, PRIMARY KEY (game_id, score, user_id) ) WITH CLUSTERING ORDER BY (score DESC); The ...
Nuno's user avatar
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1 vote
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How do I manage Cassandra/Scylla snapshots?

I am new to Scylla, and I'm looking to setup a proper Backup & Restore solution. I've just tested running nodetool snapshot -t my_backup, and see that what it does is create a snapshot folder ...
Nuno's user avatar
  • 809
2 votes
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Can you restore a ScyllaDB from only a backup of /var/lib/scylla/data folder?

I had a single node scyllaDB which was lost, but only a backup of the /var/lib/scylla/data folder was done. My question is, can a single node scylla be restored from only this backup? I already ...
perrohunter's user avatar
3 votes
2 answers

Implementating user notifications list using Aerospike

I need to choose the right DB for a notifications system that needs to handle billions of notifications. The record structure is as follows: [user_id, item_type, item_id, created_at, other_data] The ...
Kaplan Ilya's user avatar
3 votes
2 answers

Allocate space in Cassandra

We run a Cassandra cluster with 2 DC, 3 nodes each (2 RF). The state of the cluster is quite bad (never repaired) and the disks were getting full so we added additional nodes which after the bootstrap ...
Jibrilat's user avatar
  • 131
2 votes
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Correct way to perform backup of Cassandra/Scylladb

What's the correct(advisable) method to backup a cassandra or scylladb so that we can restore it on development environment with ease?
Kokizzu's user avatar
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