[IMPALA-4278] Don't abort Catalog startup quickly if HMS is not present

• Type: Improvement
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: Impala 2.8.0
• Fix Version/s: Impala 2.8.0
• Component/s: Catalog
• Target Version: Impala 2.8.0
• Assignee: Attila Jeges
• Reporter: Henry Robinson
• Created: 11/Oct/16 22:03
• Updated: 18/Nov/16 05:38
• Resolved: 18/Nov/16 05:38

Description

If the catalog daemon can't contact the HMS on startup, it will fail out of the Catalog constructor in MetaStoreClientPool.addClients().

We might consider not doing so, but instead retry for a longer time to allow the catalog and the HMS to be started concurrently.