What is the best practice for migrate data from a table (large data, around 100G), with a query to obtain a subset of data, to another table? I tried with Spark and DSBulk but both have pre-requisite to use a…
Intermittently getting the following error when connecting to an AWS keyspace using a lambda layer All host(s) tried for query failed. First host tried, 3.248.244.53:9142: Host considered as DOWN. See innerErrors. I am trying to query a table in a…
We have implemented cassandra using the aws keyspace service, and using the cassandra-driver for node. The client works fine and we are able to perform create and update operations on the data. However, running a simple cql query using the…
Getting error when trying to unload or count data from AWS Keyspace using dsbulk. Error: Operation COUNT_20221021-192729-813222 failed: Token metadata not present. Command line: $ dsbulk count/unload -k my_best_storage -t book_awards -f ./dsbulk_keyspaces.conf Config: datastax-java-driver { basic.contact-points = [ "cassandra.us-east-2.amazonaws.com:9142"]…
I am trying to migrate Cassandra cluster onto AWS Keyspaces for Apache Cassandra. After the migration is done how can I verify that the data has been migrated successfully as-is?
I've a simple crud based application in which Apache Cassandra is used as the default database. I've used Spring Data Cassandra for the Cassandra connectivity. Now, I'm trying to move into AWS Keyspace which which is well supported with the…