This is documentation for Apache Kylin 2.4.0, which is no longer actively maintained.

For up-to-date documentation, see the latest version (5.0.2).

Version: 2.4.0

Update Coprocessor

Kylin leverages HBase coprocessor to optimize query performance. After new versions released, the RPC protocol may get changed, so user need to redeploy coprocessor to HTable.

There's a CLI tool to update HBase Coprocessor:

$KYLIN_HOME/bin/kylin.sh org.apache.kylin.storage.hbase.util.DeployCoprocessorCLI default all