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How do you list all the partition keys in a large Cassandra table in Cassandra using Spark?
We have a program called cassandra-scan which uses spark-cassandra-connector to list all the values of the partition key in a very large table. The table has around 17 million Cassandra partitions, an...
vidya
Votes: 0
Answers: 2
How can I use directJoin with spark (scala)?
I'm trying to use directJoin with the partition keys. But when I run the engine, it doesn't use directJoin. I would like to understand if I am doing something wrong. Here is the code I used:
Configuri...
Danilo Rodrigues
Votes: 0
Answers: 1
Spark job returns "Paused for longer than xxx seconds and unable to write pages to client"
I am working on a spark job that is responsible for reading data from a cassandra db and then performing some operations on the data, like updating some records, etc based on conditions. The spark wor...
Tcheutchoua Steve
Votes: 0
Answers: 1
Pushing down aggregation to Cassandra when querying from Spark
I've got a Cassandra table looking like this:
my_keyspace.my_table (
part_key_col_1 text,
clust_key_col_1 int,
clust_key_col_2 text,
value_col_1 text
PRIMARY KEY (part_key_col_1, c...
Cleared
Votes: 0
Answers: 0