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Posted to issues-all@impala.apache.org by "Quanlong Huang (Jira)" <ji...@apache.org> on 2024/02/05 07:15:00 UTC

[jira] [Created] (IMPALA-12785) Exposing control of the event-processor by SQL commands

Quanlong Huang created IMPALA-12785:
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             Summary: Exposing control of the event-processor by SQL commands
                 Key: IMPALA-12785
                 URL: https://issues.apache.org/jira/browse/IMPALA-12785
             Project: IMPALA
          Issue Type: New Feature
          Components: Catalog
            Reporter: Quanlong Huang


When event-processor goes into the ERROR state, admin should run a global INVALIDATE METADATA to recover it. This is expensive and will impact all workloads using Impala.

It's proposed in this thread that we should expose a way to restart the event-processor if admins are sure that it's not stale (e.g. after manually refreshing some tables):
https://lists.apache.org/thread/5mw8jd5hgz7yycz9h2pxvqj101k0j47m

Both SQL commands and WebUI will be helpful.
CC [~myloginid@gmail.com] [~hemanth619] [~VenuReddy] [~maxwellguo]



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