[HIVE-1649] Ability to update counters and status from TRANSFORM scripts

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 0.6.0
• Component/s: Query Processor
• Assignee: Guo Hongjie
• Reporter: Carl Steinbach
• Created: 17/Sep/10 04:32
• Updated: 12/Jan/13 00:04
• Resolved: 12/Jan/13 00:04

Description

Hadoop Streaming supports the ability to update counters and status by writing specially coded messages to the script's stderr stream.

A streaming process can use the stderr to emit counter information. reporter:counter:<group>,<counter>,<amount> should be sent to stderr to update the counter.
A streaming process can use the stderr to emit status information. To set a status, reporter:status:<message> should be sent to stderr.

Hive should support these same features with its TRANSFORM mechanism.

Issue Links

• duplicates: HIVE-305 Port Hadoop streaming's counters/status reporters to Hive Transforms