Questions tagged [opscenter]

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.

325 questions
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OpsCenter reports "Cannot run anti-entropy repair on tables with NodeSync enabled"

I'm monitoring a DSE cluster and I see the following problem: As you can see it says that the Repair is currently failing, this value keeps going up with time. Can someone explain to me what's happening in here? In the Opscenter logs I can only…
iLikeKFC
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OpsCenter 6.7.7 won't manage an existant cassandra cluster (dse 6.7.7) running on: redhat 7.6 Maipo

I encountered an issue with my fresh new OpsCenter 6.7.7; when I click "manage an existing" cluster I received the following error message: Meld execution failed: OS platform (Red Hat Enterprise Linux Server, 7.7, Maipo) is not supported for DSE .…
Orsius
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How and where to configure DSE Opscenter heap size and any other JVM parameters

I am getting OutOfMemory error on OpsCenter.log. As per DSE documentation default heap size is 2048m (2GB), which should be enough for most installations but If I need to increase or decrease this value so where I need to change. Is there any…
LetsNoSQL
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Is there any option in config of OpsCenter to automatically start repair service?

I made an OpsCenter and attach the cluster to it. I don't want to "click" manually to start repair service, instead, I want repair service to start by default (config?) Any help?
kirsie
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DSE Cluster node disk gets filled

I have an 6 node cluster , each node is of 1000 GB in size. But the size of one node reached to 1000 GB randomly.On analysis i found only one key space gets filled & only 1 table of this keyspace size get increased from 200 GB to 800 GB (In 24 hours…
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How to enable Opscenter Settings and rebalance tab?

I am a newbie to the Opscenter and Cassandra. After configuring cluster and nodes I found out that there is more load on two nodes: I looked into action tab and found rebalance option but its grayed out and similar for the setting tab. Please help…
Jit
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OpsCenter Data backup and Restore issue

We are restoring data backup for Cassandra using OpsCenter. We are able to store most of the tables successfully but getting failed for few ones. Few tables having types as UDT like ones. What could be reason? Example: Successful…
Shailesh
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Can't connect to Cassandra (All host(s) tried for query failed

I am trying to setup Datastax OpsCenter. When I tried to run datastax-agent I get the following error: Can't connect to Cassandra (All host(s) tried for query failed (tried: /X.X.X.X1:9042…
Sai
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Get "Error starting DynamicEnvironmentComponent." in staring OpsCenter 6.5 agents.DSE 6.0.1

After using Adding an existing cluster to add DSE(6.0.1) cluster to OpsCenter, and select install agent automatically after all agents installed I have something like below picture in OpsCenter(version 6.5): As you see MONITORED DSE is down. When…
mrr
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Can't Connect to Cassandras default cluster (Test Cluster) Using Opscenter

My Error is as below OpsCenter was not able to add the cluster: OpsCenter was unable to resolve the ip for Test_Cluster, please specify seed nodes using the rpc_address My OS is CentOS 7 I install DSE 6
Hamed
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Failure to restore from S3 backup using Datastax Opscenter

I have an existing Cassandra DSE cluster managed by Opscenter with a backup schedule of all keyspaces to a S3 bucket. I spinned up a fresh cluster (with a separate instance of Opscenter) to attempt a full restore of the backup and I'm facing several…
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DSE Cannot run program df - Too many open files

Our agent stoped working and the only way to get it back is by restarting the agent in every node, the error we get: ERROR [clojure-agent-send-off-pool-11618] df failed on execute; returning default value - Cannot run program "df": error=24, Too…
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Error installing DataStax OpsCenter while creating opscenter SSL files

I downloaded the setup from official site and executed ./setup.py but got following error File "./setup.py", line 54 print "Error when creating opscenter SSL files. Error was:\n" …
Amarjit Dhillon
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DATASTAX OPSCENTER 6.0 not able to connect to DSE 4.8 cluster

I am trying to connect opscenter to DSE cluster, I tried and verified the same configurations with in the other environments (DEV, STAGING) but while I am trying to do the same on Prod, I am getting these error on agent.log file INFO…
Pramod
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Cassandra JMX Bean to monitor the hints

Is there way to monitor the hints in cassandra cluster using the JMX Bean? I am looking at : http://cassandra.apache.org/doc/latest/operating/metrics.html#hintsservice-metrics and I see the below metric Metric Name :…
user3435964
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