Cassandra System Variables

Legacy Cassandra storage engine description. Cassandra was removed from MariaDB in MariaDB 10.6.

The Cassandra storage engine was removed in MariaDB 10.6.

This page documents system variables related to the Cassandra storage engine. See Server System Variables for a complete list of system variables and instructions on setting them.

cassandra_default_thrift_host

• Description: Host to connect to, if not specified on per-table basis.

• Scope: Global

• Dynamic: Yes

• Data Type: string

cassandra_failure_retries

• Description: Number of times to retry on timeout/unavailable failures.

• Scope: Global, Session

• Dynamic: Yes

• Data Type: numeric

• Default Value: 3

• Valid Values: 1 to 1073741824

cassandra_insert_batch_size

• Description: INSERT batch size.

• Scope: Global, Session

• Dynamic: Yes

• Data Type: numeric

• Default Value: 100

• Valid Values: 1 to 1073741824

cassandra_multiget_batch_size

• Description: Batched Key Access batch size.

• Scope: Global, Session

• Dynamic: Yes

• Data Type: numeric

• Default Value: 100

• Valid Values: 1 to 1073741824

cassandra_read_consistency

• Description: Consistency to use for reading. See Datastax's documentation for details.

• Scope: Global, Session

• Default Value: ONE

• Valid Values: ONE, TWO, THREE, ANY, ALL, QUORUM, EACH_QUORUM, LOCAL_QUORUM, ``

cassandra_rnd_batch_size

• Description: Full table scan batch size.

• Scope: Global, Session

• Default Value: 10000

• Valid Values: 1 to 1073741824

cassandra_write_consistency

• Description: Consistency to use for writing. See Datastax's documentation for details.

• Scope: Global, Session

• Default Value: ONE

• Valid Values: ONE, TWO, THREE, ANY, ALL, QUORUM, EACH_QUORUM, LOCAL_QUORUM, ``

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