One more update, it looks like the driver is generating this CQL statements:
SELECT
"test_id", "channel", "ts", "event", "groups" FROM "KEYSPACE"."test" WHERE
token("test_id") > ? AND token("test_id") <= ? ALLOW FILTERING;
Best regards,
Nathan
On Fri, Jun 26, 2015 at 8:16 PM Nathan Bijnens
Thanks for the suggestion, will take a look.
Our code looks like this:
val rdd = sc.cassandraTable[EventV0](keyspace, "test")
val transformed = rdd.map{e => EventV1(e.testId, e.ts, e.channel,
e.groups, e.event)}
transformed.saveToCassandra(keyspace, "test_v1")
Not sure if this code might transl
> We notice incredibly slow reads, 600mb in an hour, we are using quorum
LOCAL_ONE reads.
> The load_one of Cassandra increases from <1 to 60! There is no CPU wait,
only user & nice.
Without seeing the code and query, it's hard to tell, but I noticed
something similar when we had a client incorrec
We are using the Spark Cassandra driver, version 1.2.0 (Spark 1.2.1)
connecting to a 6 node bare metal (16gb ram, Xeon E3-1270 (8core), 4x 7,2k
SATA disks) Cassandra cluster. Spark runs on a separate Mesos cluster.
We are running a transformation job, where we read the complete contents of
a table