vinod.vasudevan on "Unable to start Job Tracker"
I have dse service running and I am starting job tracker by using dse cassandra -t -j and I get the error: xss = -ea -javaagent:/usr/share/dse/cassandra/lib/jamm-0.2.5.jar -XX:+UseThreadPriorities...
View ArticleLarryP on "OpsCenter 3.2.1 not seeing agents"
I have 4 Linux nodes with agents that cannot communicate with the OpsCenter Management Console.Agents were installed via tarball.All in the same datacenterSSL is turned off. Have tried both the IP and...
View ArticleZCSHEN on "bug for ODBC connector?"
Hi,I suspect this is a bug for the ODBC connector. When I using CQL directly querying the database, it returns 1971-09-13 00:00:00Mountain Daylight TimeHowever, when I got it from excel, it becomes...
View Articleken.hancock@schange.com on "Incredibly slow commit log replay with Solr"
I'm using Solr secondary indexes on a ~2k row with about 50 columns. With commitlog_total_space_in_mb set to 1024 on a config change and rolling restart, each commit log is taking about 4 minutes to...
View Articleacarrascal on "Multiple Cluster/Session in Java Driver"
I'm not sure how to proceed when using multiple simultaneous conections to Cassandra by means of Datastax Java Driver. Regarding concurrent connections to cassandra documentation says:"Session...
View Articleeciramella on "automatically registering a node with opscenter server"
Hi all!I'm working on a chef cookbook for setting up both opscenter and the agent on our cassandra nodes.Our build/deploy cycle is kinda atypical (where these things run are detached from our chef...
View Articleken.hancock@schange.com on "Memtable flush blockking writes"
I appear to have a problem illustrated by https://issues.apache.org/jira/browse/CASSANDRA-1955. At low data rates, I'm seeing mutation messages dropped because writers are blocked as I get a storm of...
View Articlecybc16 on "issue upgrading ( DSE 3.0 to 3.1.1 )"
Hi,I've just upgraded to DSE 3.1.1, but I get this error when starting the DSE.org.apache.solr.common.SolrException: SolrCore 'test.test' is not available due to init failure: Plugin init failure for...
View Articledcparker on "Monitoring Opscenter Process"
Hello,I am configuring a script to monitor the opscenter process, and my initial thought was to cat the opscenterd.pid file and check that the process is running. I was going to do this with Splunk....
View ArticleVinod on "Datastax protocol implementation"
Hi, I would like to know if Datastax can implement either SAML 2.0 protocol or the WS-Federation passive requester profile protocol.Thanks.
View Articleken.hancock@schange.com on ""Found 200 rows with expired columns" spamming...
I'm seeing this at a rate of about 14,000 messages per hour in my log files.What does this exactly mean?I'm guessing its either TTL'd data or tombstoned data, but at that data rate, even for an hour, I...
View Articlehwangj on "Error message in system.log with Kerberos enabled"
Hi, I am trying to set up a DSE 3.1 enterprise cluster with two cassandra node and one analytic node. I am able to get all node running but the system.log file in analytic node continue to log the...
View Articlewhoisvolos on "Trade-offs of external tables for Hive"
I'm a bit of lost in DSE 3.1 doc :( Do external tables for Hive in Cassandra (CqlStorageHandler) support data locality for MR jobs? What means 'Analytics':1 parameter in keyspace description (Hive...
View ArticleVinod on "Email alert issue"
Hello,I have need to send email alerts for opscenter alerts to mutiple email ids. So I created 2 config files email.conf and email1.conf and restarted opscenter service. The mail gets sent but only to...
View ArticleVarun.Tahin_rancoretech.com on "Error in NodeAutoDiscoverService for trying...
Dear Members,Does Cassandra support the feature to give different ethernet addresses of same server in listen address and rpc address , so as to distribute communication load(listen) and data...
View Articleacarrascal on "Multiple Cluster/Session in Java Driver"
I'm not sure how to proceed when using multiple simultaneous conections to Cassandra by means of Datastax Java Driver. Regarding concurrent connections to cassandra documentation says:"Session...
View Articlelin_qiang on "Why the DataStax Hive service deadlock when a complex query was...
I installed a DataStax Enterprise. It worked fine.sudo service dse start dse hive --service hiveserverThe most query I commited to Hive service can correctly execute. But when I send a complex query to...
View ArticleSt. on "nodetool compact"
Does nodetool compact run only Size-Tiered Compaction? Is there any way to run Leveled Compaction manually?
View Articlemharwida on "Creating Solr Core error"
Hi,I have 2 virtual data-centers, one with 4 Cassandra nodes and the other with one Solr node. I have created a keyspace with NetworkTopologyStrategy and Replication factor of 1 across the 2...
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