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Questions tagged [cassandra]

Apache Cassandra is an open source distributed key-value database cluster, designed to scale linearly when adding nodes. It provides multi-datacenter replication.

It was designed to handle very large amounts of data spread out across many commodity servers while providing a highly available service with no single point of failure. It is a NoSQL solution that was initially developed by Facebook and powered their Inbox Search feature until late 2010.

Official page

Source: wikipedia

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Cassandra - Ubuntu Server Connect locally but no when connect remotely

I have a problem when I want to connect to Cassandra remotely I run it on ubuntu server and can connect to it through cassandra-cli connect localhost/9160 But when I connect remotely I have an error Connection Refused Can some one help me what…
S.Mohamed Mahdi Ahmadian zadeh
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How can I release previously allocated resources of a deleted pod?

I already had 3 Cassandra node/pods running. I deleted them and tried to re create them again using the same YAML file as following, on the same Kind cluster, but it stuck pending status: apiVersion: apps/v1 kind: StatefulSet metadata: name:…
best_of_man
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OpsCenter on AWS: No permission to create /mnt/cassandra/data directory

Followed the instructions here: http://www.datastax.com/documentation/cassandra/2.0/cassandra/install/installAMILaunch.html Installed OpsCenter on m3.large. When launching an instance, I get this error: Error: Start stage failed: Failed to start…
elado
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DataStax OpsCenter - can't connect with agents

I've installed DataStax OpsCenter (Apache Cassandra) and in OpsCenter, there is an error: "0 of 1 agents connected". When I click "fix", enter credentials and try to install nodes, i get error: Unable to SSH to some of the hosts Unable to SSH to…
user251405
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