Devcenter & C* 3.0 Connection Error.

2015-11-16 Thread Bosung Seo
Hi guys, Doesn't Devcenter support C* 3.0? When I tried to use Devcenter with C* 3.0, I got this error. The specified host(s) could not be reached. All host(s) tried for query failed (tried: /{ipaddress}:9042 (com.datastax.driver.core.exceptions.InvalidQueryException: unconfigured table schema_k

Problem with Cassandra 2.1 and Spark 1.2.1

2015-02-23 Thread Bosung Seo
Hi all, I'm trying to use Spark and Cassandra. I have two datacenter in different regions on AWS, and tried ran simple table count program. However, I'm still getting * WARN TaskSchedulerImpl: Initial job has not accepted any resources; * , and Spark can't finish the processing. The test table

Cassandra Restore data from snapshots and Different Counts

2014-10-16 Thread Bosung Seo
I upgraded my Cassandra ring and restored data(copying snapshots) from the old ring. I am currently running the nodetool repair. I count the tables to check every rows is in the table, but counts have different values. It contains 571 rows, and counts are 500, 530, 501, and so on. Should I wait unt