The Ultimate Guide to High Availability with MariaDB
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Cassandra System Variables

CassandraSE is no longer actively being developed and has been removed in MariaDB 10.6. See MDEV-23024.

Contents

  1. cassandra_default_thrift_host
  2. cassandra_failure_retries
  3. cassandra_insert_batch_size
  4. cassandra_multiget_batch_size
  5. cassandra_read_consistency
  6. cassandra_rnd_batch_size
  7. cassandra_write_consistency

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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