DataStax Enterprise is big data platform consisting of open source tools such as Apache Cassandra, Solr, Spark, Tinkerpop and more.
Questions tagged [datastax-startup]
184 questions
0
votes
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Import xml data in datastax Graph
I have data in my xml files. I need to save that data in datastax graph. but didn't find any link to import xml into dse graph. I have read about GraphML. can GraphML do this if yes please let me know how?
Rajni Kant Sharma
- 104
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- 13
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Datastax graph traversal taking more time then expected?
Hi I am traversing a graph using gremlin and my query is following
g.V().match(
__.as("BaseVehicle").outE("year").as("year"),
__.as("BaseVehicle").outE("make").as("make"),
__.as("BaseVehicle").outE("model").as("model"),
…
Rajni Kant Sharma
- 104
- 3
- 13
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create Edges and Vertex from same csv file in datastax graph
I am working on loading csv file from dataloader in datastax graph.
My csv files structure is following
first file(Year_2015.txt)
YearID
second file(BaseVehicle_2005.txt)
BaseVehicleID|YearID|MakeID|ModelID
for first file I have create vertex level…
Rajni Kant Sharma
- 104
- 3
- 13
0
votes
1 answer
Getting error "Cannot achieve consistency level ONE" while trying to insert record in DSE Cassandra
I am using DSE Cassandra and want to use solr_query so created the Keyspace as follows:
create keyspace demo with replication = {'class': 'NetworkTopologyStrategy', 'Solr': 3};
Created the following table:
create table demo.onlinetransactions
(…
Virendra
- 101
- 8
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Gettng error while creating DSE Graph -"Host did not respond in a timely fashion"
We are using DataStax Enterprise version 5.0.1 and are facing issue while creating the graph from the Gremlin Console.
Here are the details of the error that I am getting:
adminuser@dc0vm1:~$ dse gremlin-console
\,,,/
(o…
Virendra
- 101
- 8
0
votes
1 answer
Opscenter backup failure - S3 500 InternalError
The backup service using Opscenter is failing with below AWS S3 error - 500 InternalError. It is failing on 3-4 nodes for different files with this error code. AWS S3 documentation recommends to retry the operation (We encountered an internal error.…
Ashish
- 21
- 3
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2 answers
DataStax/Tinkerpop - Ability to remove a property
I am looking a way to remove a propertyKey in the schema. The documentation here explains how to add properties but no information about the removal. Does that mean that it is not possible?
Since DataStax relies on Cassandra that supports table…
Aymeric
- 906
- 9
- 20
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2 answers
Integrate Datastax solr and Graph
Our architecture has 3 nodes in Datacenter: Solr , with SOLR_ENABLED=1
Datacenter: Solr
UN 192.168.8.22 57.02 MB 1 ? 396***** rack1
UN 192.168.8.23 56.72 MB 1 ? 7365**** rack1
UN 192.168.8.24 59.33 MB 1 …
Sreeraju V
- 535
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Solr Stats on Tuple
I'm trying to use the Stats Component in my Datastax Solr instance.
The part of the schema I'm trying to get stats on looks like this:
syncdk
- 2,820
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Datastax 4.8 Search node - cqlsh connection error
I've recently installed on a three node cluster DSE 4.8.9. The cluster was running fine and was healthy. We've started deleting 4 million records out of 14 millions, so created quite some tombstones.
After restarting one of the nodes (10.0.106.7),…
ramo
- 353
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1 answer
Datastax 5.0 AMI on AWS installation fails
We are trying to set up Datastax Enterprise cluster on AWS. We want to use the community Datastax AMI that is provided by https://github.com/riptano/ComboAMI/
Before Datastax Enterprise 5.0 edition, we were installing 4.8, entire process was…
Srdjan Nikitovic
- 853
- 2
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- 19
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DSE changing cassandra to use vnodes
We want to deploy DSE cluster of 3 nodes, where each node is Analytics running Spark.
We want to use vnodes in cassandra, because it enables much more even data distribution and easier adding of the nodes. We deploy DSE on AWS, using one of the…
Srdjan Nikitovic
- 853
- 2
- 9
- 19
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votes
1 answer
Datastax enterprise number of cores available
I have created Datastax Enterprise cluster on AWS using 3 m3.large instances where all 3 nodes are Analytical nodes running Spark.
3 m3.large amazon instances each have 2 cores, so in total 6 cores.
On Spark Master web ui I see only 3 cores…
Srdjan Nikitovic
- 853
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- 9
- 19
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0 answers
Cassandra Datastax NodeTool Communication
I created a new cluster in Amazon AWS, with 3 instances, following the instructions on the Datastax installation page for Cassandra.
I also set up all of the things in the cassandra.yaml file, as provided by the instructions on Datastax for adding…
hockeybro
- 981
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DSE Search - SOLR HTTP connection - fail-over,loadbalancing
We want to use DSE Search from Datastax in our application.
We have Cassandra on all nodes and SOLR on half of the nodes.
We can connect to one SOLR instance
@Bean
public SolrServer solrServer() {
String solrHost =…
georgeo
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