The Ultimate Guide to High Availability with MariaDB

Cassandra storage engine

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This page is a documentation for Cassandra storage engine which is a work in progress.

Cassandra table

MariaDB's table represents a column family in Cassandra. The table must follow this pattern:

create table cassandra_tbl               -- name can be chosen at will
(
  rowkey  char(N),                       -- First field must be named 'rowkey'
  data    varchar,                       -- columns go here
  PRIMARY KEY(rowkey)                    -- Primary key over 'rowkey' is mandatory
) engine=cassandra 
  thrift_host='192.168.1.0' 
  keyspace= 'cassandra_key_space'
  column_family='column_family_name';

MariaDB's table is a view of Cassandra's column family.

  • column family must exist before the MariaDB table can be created
  • Dropping MariaDB's table will not drop the column family.

TODO

write more here

See also hbase-storage-engine

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