[HIVE-9321] Notification message size can be arbitrarily long, DbNotificationListener limits to 1024

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.15.0
• Fix Version/s: 1.1.0
• Assignee: Alan Gates
• Reporter: Sushanth Sowmyan
• Created: 09/Jan/15 00:55
• Updated: 09/Mar/15 20:49
• Resolved: 15/Jan/15 01:00

Description

As part of HIVE-9174, a new notification listener, DbNotificationListener was introduced that stores notification messages in the metastore.

Now, the "message" field of a Notification event can be arbitrarily long, since it is a JSON-serialized message of what event actually occurred, and an AddPartitionMessage which captured the result of an add_partitions can be arbitrarily long (as long as the number of partitions that were added).

However, the "message" field for the storage in db is limited to VARCHAR(1024), which it will easily break. We need to fix this somehow.