Is there any mbean for cassandra to get the Cross-data center latency metrics. I have 6 nodes spread across 2 DC 3 node each. I want to monitor the r ...
Is there any mbean for cassandra to get the Cross-data center latency metrics. I have 6 nodes spread across 2 DC 3 node each. I want to monitor the r ...
Goal: My goal is to use Kafka to send messages to a Cassandra sink using Kafka Connect. I've deployed Kafka and Cassandra and I am able to work with ...
We are running version datastax java driver 1.9. And our config is like this (this works): With this and update the dependencies to 4.x: I get a ...
I have a Cassandra table with default TTL. Unfortunately, the default TTL was too small, so now I want to update the default TTL, but also I need to u ...
We have Cassandra table person, and Dataframe is, In Spark We wanted to save dataframe to table , where dataframe is having multiple records for ...
I am using ScyllaDb, but I think this also applies to Cassandra since ScyllaDb is compatible with Cassandra. I have the following table (I got ~5 of ...
We have a frozen UDT with ~2000 fields as one of the columns in a table. We use this table to implement append-only writes so that the data is audita ...
Am trying to insert values into my Cassandra database but am getting this error. Referred to data type mapping here everything seems to be ok... http: ...
Currently we are using Java Datastax Drivers Version 3.7.2 to connect to Open source Apache Cassandra Version 3.11.9. We are planning on to upgrade t ...
It seems Cassandra has been using netty-all.4.1.58.Final, which give high security risk in nexus scan (sonatype-2021-0789, CVSS score 8.4). Do we have ...
This question was migrated from Stack Overflow because it can be answered on D ...
I have read in the Concise guide to database book that a Column-oriented database is not the right vehicle when it comes to OLTP, it is good for aggre ...
Does Cassandra DataStax's @Select annotation use PreparedStatements in the generated queries? Is it effective like if I use a PreparedStatement and ex ...
I'm seeing the following exception in C* logs and in all nodes. Is this something to do with System libraries ,..etc? BTW openSSL installed on all nod ...
I can't make connection into my nodecluster, my nodetool status is currenty refused, i am using Cassandra 4.1 but not working trying edit in cassandra ...
I can't understand what is the problem with this code? I get the following error at this._cass assignment line: Unexpected token. A constructor ...
I am new to cassandra and was checking in how cassandra internals work. I checked this article and in this its stated that memtable is stored in sorte ...
when configured through logback.xml, by default system.log was created with permission set -rw-r----- with cassandra user having ownership. For export ...
i am new to kubernetes/helm. I'm trying to configure encryption TLS/SSL for Cassandra in K8ssandra? I've seen this example but can't get any further. ...
I am quite new to Cassandra so I have a question that I can not find answer to. In EF Core I can pass a list of LINQ expression as conditions and aggr ...