cqlsh connection shows below error for couple of machine, but it is successful in other machines in cluster. Bad nodes were removed out of cluster, system_auth replication is 5 for both dc's with ...

I have a cassandra db 1.21 installed on windows 2019, am unable to to the database using cqlsh enter image description here Able to start the cassandra db enter image description here when i run cqslh ...

I have two dc cluster, where one dc was upgraded from Cassandra 2.2.19 to 3.11.13. Currently I notice cql timeout reported after the upgrade on the Cassandra 3.x DC. The other dc which is on version 2....

I have upgraded one of cluster node from 2.2.19 to 3.11.13, but I'm continuously getting the below error in system logs. I'm using TimeWindowCompactionStrategy-3.7.jar Please let me know how can I fix ...

I am using cassandra DB for .Net. I have created a datatype dictionary_type_property map<text,text> inside user defined datatype, but facing problem while converting this datatype value to .Net ...

How to enable logging DML(inserts, updates), DDL (alter, create) operations in cassandra version 2.1? nodetool getlogginglevels Logger Name Log Level ROOT ...

I was trying to upgrade 4 nodes in a Cluster. DC1 had nodes N1 and N2 DC2 had nodes N3 and N4 App server is connected to N1 and N2 nodes. RF = {DC1: 2, DC: 2} DC2 nodes where upgraded to 3.0.15 first. ...

I am trying to get Cassandra v2.1.17 running using Java 11 (Oracle), but cannot get it to startup. I have updated all the JVM args in cassandra-env.sh to the Java 11 equivalents, but I now get the ...

I am trying to update some older JVM GC log rotation options to be compatible with Java 11. Previously, using Java 8 I had: -Xloggc:/var/log/cassandra/gc.log" -XX:+UseGCLogFileRotation" -XX:...

Can i do logical Query inside Blob column field in cassandra Query ? like i have a file inside Blob field called purchase amount : 500$ i want to do search and fetch results purchase amount which is ...

I have created the following user defined types (UDT) in cassandra : CREATE TYPE keyspace.location ( latitude text, longitude text, accuracy text, address text ); CREATE TYPE keyspace....

Connecting to Cassandra from application code and querying consumes Cassandra's CPU. My query is like :: select fields from table where partition_key = "PARTITION_KEY" and clustering_key_1 = "KEY1" ...

3 node cluster and RF of 3 means every node has all the data. Consistency is ONE. So when queried for some data on node-1, ideally as node-1 has all the data it should be able to complete my query. ...

I need to save user's quiz completion status to a Cassandra's table, previously table was designed only to hold one quiz status so I can't save if the user takes another quiz(User id is primary key). ...

I have 6 nodes Cassandra cluster where 3 are data nodes and 3 are seed nodes they all are using Cassandra version 3.7 below are the exceptions which I am getting on data nodes : java.lang....