I have a micronaut app that starts up with a Scylla database and I want initialize a keyspace and a columnfamily so that people can run the app locally and have it ready to use. For my initial appr...

Is there an API for nodetool? Especially nodetool tablestats I saw there is https://github.com/scylladb/scylla/tree/master/api/api-doc. Is this the right place to look for APIs?

Looks like DynamoDB and ScyllaDB are exactly similar in functionality where they have just used different names for keys, secondary indexes etc. Only difference I am aware of is costing. DynamoDB c...

According to the official documentation, among the restrictions on counter columns in ScyllaDB are: The only other columns in a table with a counter column can be columns of the primary key (which ...

I am new to Scylla and I am following the instructions to try it in a container as per this page: https://hub.docker.com/r/scylladb/scylla/. The following command ran fine. docker run --name some-s...

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We are planning to use JanusGraph with ScyllaDb as our storage backend and elasticsearch as our index backend in production. ElasticSearch indexes the data stored in ScyllaDB, and we are not contro...

I'm designing an application where I want to cache million data each around 10kb.. I did some analysis and on the fence between using Redis vs memcached vs Scylla as Cache.. Can some experts sugges...

Are graph databases more performant than relational databases for highly connected acyclic graph data? I need to significantly speed up my query results and hope that graph databases will be the an...

I have a table like this in Scylladb. To make it clear I have removed lot of columns from below table but in general this table has ~25 columns total. CREATE TABLE testks.client ( client_id int, ...

I have a scylla table as shown below: cqlsh:sampleks> describe table test; CREATE TABLE test ( client_id int, when timestamp, process_ids list<int>, md text, PRIMARY KEY (client_id,...

I am using Cassandra 3.0.15v and want to move my data to scylla db 3.3.0v using the sstableloader utility provided by scylla and i have tried different approaches but i am not able to do it. Table...

I have running 21 node Cassandra cluster with 150+ schema and about 20 TB data.I need to shift the schema and data from Cassandra to 7 node Scylla in no downtime scenario. Both Scylla and Cassandr...

The DynamoDB Wikipedia article says that DynamoDB is a "key-value" database. However, calling it a "key-value" database completely misses an extremely fundamental feature of DynamoDB, that of the s...

I am using data stax java driver to query scylladb , i see this error while reading data from scylla RequestHandler: ip:9042 replied with server error (clustering key cartesian product size 600 is ...

I know how levelled compaction works in DBS like Cassandra, rocksdb etc. Some have max number of levels 4 and some have 7. How does this number affect compaction process? Why can't I have just 2 le...

What is the difference between Scylla read path and Cassandra read path? When I stress Cassandra and Scylla then Scylla read performance poor by 5 times than Cassandra using 16 core and normal HDD....

I'm using scylla db and have a table using IP address as the primary key. The RF for the cluster is 3. I find some nodes have way more loads (take more disk space) than others even if the owns stat...

I have a scylla cluster running on AWS i3en.xlarge instances which has 16 nodes. Is there an easy way for me to switch the cluster to i3en.2xlarge or i3en.4xlarge other than replacing existing nod...

I have a table with a column of type timestamp and when I insert a value, Scylla saves it with 3 zeros more. According to Scylla Documentation (https://docs.scylladb.com/getting-started/types/#tim...

I have a table with a column of type list and I would like to check if there is an item inside the list, using CONTAINS keyword. According to scylla documentation: The CONTAINS operator may onl...

I have one scylla db cluster with 9 nodes and RF=3 using amazon AWS i3en.xlarge instance. I'm curious if 3 i3en.3xlarge are much better than 9 i3en.xlarge.

I have a program intensively read and write (same amount of read and write, for write, 4/5 update and 1/5 insert). Is SizedTired compaction better than Leveled one? Also most of data have TTL 7 da...

I have run nodetool version and showing db version is 3.0.8 but if I am running scylla --version then it showing 2.1.1-0.20180325.cce455b1f. please help me which one is correct?

My time series data TTLs after 1-7 days (depends on the use case). The data is immutable and ordered by timestamp (cluster by timestamp) - data is timestamped "on-write" (so new data timestamps sho...