Vinod on "Hadoop question"
I am new to Hadoop, I have a 3 node multi node set-up. Initially node 1 was Job Tracker node. I made changes in java heap size in all 3 nodes and restarted dse one by one and now I can see the Job...
View ArticleLauro on "Error when importing from Postgresql to Cassandra using Sqoop."
I am following the documentation and I used the following command to import a small table from postgresql to cassandra:./dse sqoop import --connect jdbc:postgresql://127.0.0.1/mydb --username ***...
View ArticleRadishRabbit on "Is solr's search result clustering supported by dse?"
solr has a clustering component: http://wiki.apache.org/solr/ClusteringComponentis it supported by dse?
View Articlebwong64 on "Opscenter Agent not connecting to Opscenter"
I'm trying to set up Opscenter for a 5-node Cassandra cluster. Opscenter is set up on a separate linux box.When the agent is started, I'm seeing connection problems:[bwong@cassa001 bin]$...
View Articlemjafri on "Sstableloader not working for me - NullPointerException"
Hi I've been trying to use the sstableloader in the latest version of DataStax (cassandra 1.2.6.5), with no success.I have two virtual machines with DataStax installed on them - these are both...
View Articlesabhub on "HIVE Error in Pentaho kettle"
I am trying to run the HIVE query in Pentaho Kettle, I Get errors, I tried to map Keyspace1.Standard1 to a table in HIVE declaring row_key, Column, value as binary. I get an error. Did anyone tried to...
View ArticleMJ McKenzie on "Opscenter 3.2.1 install is unuseable where 3.1.1 runs fine."
I currently have a three node cluster with opscenter 3.1.1, DSE 3.0.1 and Cassandra 1.1.9.3 that is working fine. However one of the requirements is native access which requires cassandra 1.2+. I...
View Articlerm72 on "Cassandra as a cache?"
We're currently evaluating DSE Cassandra as a data store and are also separately interested in using the Cassandra cache in lieu of a dedicated cache - the data cached would completely fit in-memory...
View Articlenate on "How to use isShard parameter in dse 3.1.1?"
When I search for something using isShard=true , I encounter a NullPointerException? How to use it ?
View ArticleAnonymous on "Opscenter Agent JMX connection issue"
I have installed 2 community instances if dsc-cassandra-1.0.7 each in their own vserver. Both cassandra's communicate to each other and are working fine. I followed one of the datastax tutorials.I...
View Articlemarcoivich on "Enterprise 3.1, JRE 1.6 or JRE 1.7?"
I know the documentation mentions that both JRE 1.6 and JRE 1.7 are supported, but for those in this forum running Enterprise 3.1 in production, what is your preference and why? Regards
View Articleshravanww on "Datastax Hadoop Usage"
Hello All,I am working on a solution to use Datastax Hadoop for some processing and Datastax Cassandra for storage. But we are going to use Hortonworks as our Hadoop platform. Is it possible to use the...
View Articleacarrascal on "NoHostAvailableException"
I have no problems when connecting to my cassandra 1.2.8 cluster inside of my local network by using Datastax Java driver. Out of my local network I get the NoHostAvailableException exception. I've...
View Articleacarrascal on "Cassandra Java Driver connection state"
Is there any direct way to check if a Cluster/Session is connected/valid/ok? If not, what is the fastest and simplest way you recomend to do it?Thanks
View Articlemobilistix on "Error instantiating snitch class...
I am setting up a new Centos 6.3 node to add to an existing cluster."yum install dse-full opscenter" completed successfully on the new node.address.yaml and cassandra.yaml are configured. java -version...
View Articletristanls on "Caused by: java.lang.ClassNotFoundException:...
Do I need to do something extra to work with DataImportHandler?I'm trying to get the DataImportHandler to work. I start dse using:./bin/dse -v3.0./bin/dse cassandra -sI upload solrconfig.xml,...
View Articlebryan on "Opscenter v3.2.0 bug with DSE instance"
I've added a performance chart to my dashboard to look at Cassandra JVM memory on one of my SOLR instances and when you startup the opscenter-agent you see this in the agent.log file and the chart...
View Articlebryan on "Datastax SOLR commitWithin is not working"
When issuing the following curl command to update/add a document to SOLR it never gets committed even though I've added the commitWithin=10000 parameter.curl -v...
View Articlewagnerrobert on "Client SSL - cassandra-cli , cqlsh"
I am having a problem connecting via SSL using cqlsh. If I try with the cassandra-cli command:cassandra-cli -ts /etc/cassandra/conf/.truststore -tspw <password> -h <host> -p 9160 -tf...
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