[IMPALA-6191] Show list of threads per query / fragment / instance

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: Backend, Distributed Exec
• Labels: observability
• Epic Link: Improve Hang Diagnostics
• Epic Color: ghx-label-6
• Assignee: Unassigned
• Reporter: Lars Volker
• Created: 15/Nov/17 23:46
• Updated: 02/Apr/18 21:11

Description

In addition to IMPALA-6190 we should have a way to identify all threads on a backend for a particular query / fragment / instance. We could send this to the coordinator and aggregate it there, or display it on a new debug page that lists all queries that a node runs fragments for.

Issue Links

• depends upon: IMPALA-6190 Add a debug webpage to show fragment instances of a query
• is depended upon by: IMPALA-6208 Add a way to dump the stacks of all threads executing a particular query / fragment / instance