All Questions
Tagged with cassandra-2.0 opscenter
19 questions
0
votes
1
answer
133
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OpsCenter default native client connection and load distribution?
If we have 8 nodes in a OpsCenter cluster(Primary and Secondary) with 2 DCs. We have almost 30 nodes connected to this OpsCenter for monitoring through datastax agent. My question is all 30 nodes will ...
- 1,538
0
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0
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73
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Remote Access Cassandra
We are using cassandra enterprise editions. We have configured cluster from opscenter but we are unable to get access from Remote host. We are able to get access inside my DC from another host.
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- 960
0
votes
1
answer
89
views
Does your data size reduces after upgrading DataStax Enterprise?
We have upgraded from dse4.5 to dse4.8 . After running upgrade sstables on 4 nodes of my 10 node cluster , i see the size of my cluster shown in opscenter is reduced to 2.5TB from 3.2TB . However , ...
- 721
2
votes
0
answers
52
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cassandra opscenter toggles between "agents failed to connect" and "all agents connected" every two or three minutes?
cassandra opscenter toggles between "agents failed to connect" and "all agents connected" every two or three minutes? I am not sure what is happening. It says all agents are connected for two to three ...
- 6,324
2
votes
1
answer
3k
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OpsCenter cannot recognize Cassandra nodes in the same network
I am experimenting with Datestax OpsCenter 5.2 and Cassandra 2.1.7. One trouble I encountered is that OpsCenter daemon (i.e., the server) seems to try to connect to the Cassandra agents using the ...
- 4,055
0
votes
1
answer
747
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Opsagent UnsupportedOperationException with PersistentHashMap
I'm running Cassandra along with opscenter agent, and got the following error in the log when Opscenter tries to get general and CF metrics.
INFO [jmx-metrics-1] 2015-08-02 21:55:20,555 New JMX ...
- 4,055
0
votes
5
answers
776
views
Datastax Agent (Cassandra) Opscenter setup issue
I've setup opscenter on one of cassandra cluster nodes. After installation, when setting up my cluster, I tried installation of datastax agent on all the cluster nodes via UI, but it failed. So, I had ...
- 2,795
1
vote
1
answer
210
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SEVERE error writing to S3 backup
I'm running OpsCenter 5.1.1 with Datastax Enterprise 4.5.1. It's a 3-node cluster on AWS and I'm backing up to S3 (still...) I've started seeing a new error. I think this is a different error than any ...
- 2,351
0
votes
1
answer
1k
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cassandra operations queue is full
I'm running datastax enterprise 4.5.1, with opscenter 5.1.1. These were installed from the standalone linux installers on Ubuntu 14.04 LTS.
$ cqlsh
Connected to Test Cluster at localhost:9160.
[...
- 2,351
1
vote
1
answer
1k
views
Cassandra: adding back a removed node
One of the nodes in my cassandra is down and I would like to 'nodetool removenode xxx' it from another node to get going. If I want to add this node back to the cluster, would it continue with the ...
- 2,306
2
votes
1
answer
213
views
What does adding nodes in Cassandra generally means?
Hi I have a cassandra DB with a huge amount of data and I am using only one node to store it.So someone suggested me to use multiple nodes .
So what will happen if I add a new node , will the data ...
- 245
1
vote
1
answer
505
views
opscenter can't connect to agents after enabling ssl
I'm setting up node-to-node encryption in AWS on ubuntu in a 3-node datastax enterprise 4.5.2 cluster. I followed these docs -
[1] -http://www.datastax.com/documentation/datastax_enterprise/4.5/...
- 2,351
1
vote
1
answer
449
views
OpsCenter 5.0.1 creates invalid cassandra.yaml
When modifying the cluster configuration via OpsCenter Cassandra fails to restart due to the following error
org.apache.cassandra.exceptions.ConfigurationException: Invalid yaml. Please remove ...
- 393
2
votes
1
answer
2k
views
Error installing datastax cassandra 2.0
I am unable to install datastax cassandra 2.0 on Ubuntu. I can install 2.1 without any problem but I need to run 2.0.9. I am following these steps, is there any thing that I can do to install 2.0?
...
- 2,306
0
votes
1
answer
592
views
DataStax Opscenter do not sees remote agents (windows)
I am new to Cassandra.
I'm trying to deploy a test environment.
Win server 2012 (192.168.128.71) -> seed node
Win server 2008 (192.168.128.70) -> simple node
Win server 2008 (192.168....
- 3,560
0
votes
1
answer
97
views
All actions are inactive in Opscenter
I have a Cassandra 2 cluster of 6 nodes. I successfully installed Opscenter 5 & Datastax-agents. The agents are connected to Opscenter and all run smoothly except for the all cluster actions: ...
- 18.3k
1
vote
0
answers
449
views
Adding a pre-existing 2.0.6 Cassandra cluster to a 4.1.2 OpsCenter gets a timeout
I have a three node Cassandra cluster with nodes at 10.3.10.129, 10.3.10.130, and 10.3.10.131. The cluster has a pre-existing keyspace with data. opscenter-agents have been installed on all three ...
- 61
1
vote
2
answers
408
views
Error - Apache Cassandra 2.0.5 & Datastax OpsCenter 4.1
I am using cassandra 2.0.5 on Centos 6.5 and OpsCenter 4 worked fine until i updated OpsCenter to version 4.1 . I access OpsCenter page, click on manage existing cluster and give the ip address of my ...
- 13
0
votes
1
answer
422
views
Datastax Opscenter shows empty storage capacity
I'm using opscenter free edition 4.0.2, with cassandra 2.0.3 on centos 6.
The storage capacity widget on the landing page is showing no data at all.
The storage-capacity call is returning:
{"free_gb"...
- 569