OpsCenter is a management tool for Apache Cassandra and DataStax Enterprise provided by DataStax.
Documentation for DataStax Opscenter can be found on the Datastax website.
Questions tagged [opscenter]
325 questions
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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: rebalance, repair etc. All these options are inactive in…
Maksym Polshcha
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datastax-agent and OpsCenter not communicating on fresh AWS EC2 datastax instance
I've got a two-node Amazon Web Services cassandra cluster created using "DataStax Auto-Clustering AMI 2.5.1-pv". OpsCenter is running on node 0, as is the datastax-agent, but they don't seem to be completely connected. OpsCenter says 0 of 0 agents…
Brian-K-Smith
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Datastax OpsCenter 4.14 shows NO DATA in DASHBOARD
My install of OpsCenter (version 4.1.4) shows NO DATA in DASHBOARD,
including Cluster Reads & Writes, Cluster Latency, Disk IOPS. These graph always show no data, however, the graph of Storage Capacity can show used and free and total size.
My…
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Opscenter Agent 4.1.2: Remote Monitoring
The usual method for installing the opscenter agent whether via the opscenter server or manually is to install it on the cassandra node server.
Is the agent configuration flexible enough that it can run anywhere and monitor cassandra remotely? Are…
d_w_r
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Warning about different commitlog_directory
Is it bad to have a different commitlog_directory per node? OpsCenter is printing the following error in its log:
ERROR: Problem while calling CassandraConfDcController (ConfMismatch): The confs across your Cassandra nodes do not match. The…
PJ.
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apache cassandra node not joining cluster ring
I've a four node apache cassandra community 1.2 cluster in single datacenter with a seed.
All configurations are similar in cassandra.yaml file.
The following issues are faced, please help.
1] Though fourth node isn't listed in nodetool ring or…
joy
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OpsCenter 4.1.1 with cassandra 2.0.5 can't add existing cluster : Error creating cluster: Call to /cluster-configs timed out
I install a simple 2 nodes cluster with cassandra v2.0.5 in aws ec2(cenos) and install opscenter v4.1.1. The config as follows:
Node1
public IP: 54.254.26.11
private IP: 10.144.138.119
Cassandra (cassandra.yaml)
broadcast_address:…
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CentOs 6.5 final and Datastax Enterprise 4
I have previously setup cassandra using the datastax community edition and have tried to move to Enterprise 4.
I've tried installing via the optscenter web interface and had it 'Start Errored: Timed out waiting for Cassandra to start.' on all 4…
Highstead
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Adding a cluster to OpsCenter via REST API adds cluster with no nodes
I'm attempting to register a Cassandra 2.0.5.22 cluster (of 1 node for testing) to an OpsCenter 4.1.0 instance via opscenter's REST API. I can make the call using curl (I'm using Chef's http_request resource for our actual use case) with:
$ curl…
bschlueter
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cassandra opscenter phantom node
I have had a 6 node Cassandra (v 2.03) running for a few weeks. I tried to add a new node yesterday, but had a streaming error.
I found the cause of this and thought I would decommission the new node, fix the problem, the go back to adding the new…
felbus
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2 answers
Multiple Datastax Agents on one IP
I'm trying to setup datastax agents on separate server to monitor nodes. But I've faced with problem. How to configure multiple agents on one IP address? In agent config I can define only agent_rpc_interface, but can't do this for port. So in this…
Alex thunder Shevchenko
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OpsCenter Community, keep data on different cluster
Trying to setup OpsCenter free keep data on different cluster, but getting error:
WARN: Unable to find a matching cluster for node with IP [u'x.x.x.1']; the message was {u'os-load': 0.35}. This usually indicates that an OpsCenter agent is still…
Alex thunder Shevchenko
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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": 0, "used_gb": 0, "reporting_nodes": 0}
However…
LittleSquinky
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DataStax OpsCenter 4.0; running but can't run agents (can ssh to nodes from cmdline but OpsCenter can't
I'm setting up a new C* cluster and used apt-get to install OpsCenter 4.0; which came up fine and saw all my nodes.
I have an ~/.ssh/id_dsa file set up and can ssh to my nodes without password.
I tried to have OpsCenter install the agents via…
Brian Tarbox
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Add a second node to Datastax Enterprise Version 3.2.1?
We have Datastax Enterprise installed in a Rackspace Cloud Instance.
We configured a Test Cluster with a first node with no problem. Then we created a new instance in the Rackspace Cloud and installed same and last Datastax version.
But when trying…
