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Command	Description
Begin Batch	When a `Begin Batch` message is received a local temporary file is created in `MZ_HOME/tmp`.
Consume	When a `consume` message is received the agent will write the incoming data to the local temporary file.
Commit	When a `Commit` message is received, the agent will send the local temporary file to the staging directory in Impala. Once the file has been transferred, the agent will insert the transferred data into a temporary database table. The agent then copies the data in the temporary table to the selected database table and removes all temporary files and tables. If the agent is recovering from an error, the agent will only remove the local temporary file.
Rollback	If a Rollback message is received, the agent will remove the local temporary file.

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