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Questions tagged [dse]

DSE stands for DataStax Enterprise. Use synonym [datastax-enterprise] tag instead. Also add [cassandra] tag to your question for best visibility.

22 questions
2
votes
2 answers

cassandra inter cluster latency metrics

Is there any mbean for cassandra to get the Cross-data center latency metrics. I have 6 nodes spread across 2 DC 3 node each. I want to monitor the replication between DCs
Abdul Baseer
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2
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1 answer

How to connect to Cassandra 5.1 with Authentication from Java

I'm trying to connect to the DSE 5.1 Cluster with Authentication from Java client. The Cassandra driver I have used is com.datastax.cassandra cassandra-driver-core …
the_way
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2
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1 answer

Installation problems with DS Bulk loader on Ubuntu

I'm trying to install the DS Bulk Loader as reported here: https://docs.datastax.com/en/dsbulk/doc/dsbulk/install/dsbulkInstall.html but that's the problem: I follow the procedure but I don't know how follow the part about "Java executable is…
wundolab
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1
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0 answers

Why does `sstableloader` hangs while running it in parallel for multiple keyspaces?

Why does sstableloader hang while running it in parallel for multiple keyspaces? 0 S root 8312 8036 24 80 0 - 2304478 futex_ 12:46 ? 00:25:55 /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-1.el7_9.x86_64/jre//bin/java…
bikash ranjan Padhi
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1
vote
1 answer

Kafka to Spark and Cassandra Sink on a Spark structured streaming doesn't work on update mode

I am trying to build the below spark streaming spark job that would read from kafka, perform aggregation (count on every min window) and store in Cassandra. I am getting an error on update mode. java.lang.IllegalArgumentException: requirement…
Krishnan Swamy
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1
vote
1 answer

DSBulk unloading 1TB of data from Kubernetes DSE Cluster fails

I am using DSBulk to unload data into CSV from a DSE cluster installed under Kubernetes, My cluster consists of 9 Kubernetes Pods each with 120 GB Ram. I have monitored the resources while unloading the data and observed that the more the data is…
Mohamed Ali
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1
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0 answers

Why keyspace metadata is null only when connecting to datastax enterprise 6.8 with cassandra-driver?

We have a requirement to support Datastax Enterprise 6.8.Installed DSE6.8 on aws ec2 linux by referring https://docs.datastax.com/en/install/6.8/install/dseBasicInstall.html. Our code does support Apache cassandra,drivers we use are…
prathyusha magam
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1
vote
1 answer

Cassandra WriteTimeoutException during CAS write query

We have two CAS queries. It was working just fine with 2 containers per region. We have increased containers from 2 to 3 then we started seeing the WriteTimeoutException. The traffic is same or even less compared to the regular business hours.…
Kiran
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1
vote
2 answers

Spark local rdd Write to local Cassandra DB

I have a DSE cluster where every node in the cluster has both spark and Cassandra running. When I load data from Cassandra to spark Rdd and do some action on the rdd, i know the data would be distributed into multi nodes. In my case, I want to write…
Richard Cai
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1
vote
1 answer

Local DSE Cluster via Docker

H ello, I want to build a locales dse cluster with 3 nodes. I build each dse node as follows in a docker container sudo docker pull debian:latest sudo docker run -p 7001:7001 -p 9042:9042 -p 9160:9160 -u root --name mein-container -it -e…
Christopher
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1
vote
1 answer

Unsupported consistency level: LOCAL_QUORUM. Supported consistency levels for Search are: ONE, LOCAL_ONE

I faced an issue when using cqlsh to query on dse 6.7. Invalid Request: Error from server: code=2200 [Invalid query] message="Unsupported consistency level: LOCAL_QUORUM. Supported consistency levels for Search are: ONE, LOCAL_ONE". My query is…
Thomas
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1
vote
1 answer

Error when creating search index in Datastax DSE Graph 6.7

I'm able to create a search index in our other environments, but in one environment I'm getting this error: java.lang.NoClassDefFoundError: Could not initialize class com.sun.org.apache.xml.internal.serializer.ToXMLStream When I create a search…
Robert Corvus
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0
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1 answer

Update edge properties from another existing edge in gremlinpython

I am trying to update edge in my dse graph by extracting properties of another existing edge as below: edgeProperties = g.E(edge.id).valueMap().next() g.V(newVertex.id).as_('newV').addE(edge.label).to(neighbor_vertex).as_('newE') …
S_R R_G
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0 answers

Unable to start DSE service with IPV6 address configured

[root@r7515-114-vm19 ~]# service dse stop;service dse start Stopping DSE daemon : dse dse is already stopped Starting DSE daemon : dse DSE daemon starting with only Cassandra enabled (edit /etc/default/dse to enable other features) WARNING: Timed…
bikash ranjan Padhi
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0
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0 answers

DSE Cassandra throws AssertionError by ColumnFamily class when starting up

For the online free course of DataStax DS210, it seems learners have to setup virtual boxes or to use cloud services in order to setup a three nodes cluster for experimenting, but it looks like the DSE cassandra still cannot be started due to some…
user746403
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