CQL for Cassandra 2.0

Building and maintaining indexes

An advantage of indexes is the operational ease of populating and maintaining the index. Indexes are built in the background automatically, without blocking reads or writes. Client-maintained tables as indexes must be created manually; for example, if the artists column had been indexed by creating a table such as songs_by_artist, your client application would have to populate the table with data from the songs table.

To perform a hot rebuild of an index, use the nodetool utility rebuild_index command.

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