[DRILL-5507] Millions of "Failure finding Drillbit running on host" info messages in foreman logs

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.10.0
• Fix Version/s: 1.12.0
• Component/s: Query Planning & Optimization
• Labels: ready-to-commit
• Assignee: Timothy Farkas
• Reporter: Veera Naranammalpuram
• Reviewer: Paul Rogers
• Created: 12/May/17 19:51
• Updated: 25/Aug/17 13:47
• Resolved: 25/Aug/17 13:47

Description

When foreman tries to execute a query with data files that reside on nodes other than the nodes that are running drillbits, there are millions of messages in the log files like this:

2017-05-10 13:22:10,916 [26eca5b2-a847-b7fe-adff-1685de29bb7a:foreman] INFO o.a.d.e.s.schedule.BlockMapBuilder - Failure finding Drillbit running on host hostlp0535.mydomain.com. Skipping affinity to that host.

After 200 MB of these messages, 960K of them and 7 seconds of planning, it continues to execute this query. Is there a way to disable / suppress these messages? What's causing this? Should this be printed with INFO logging as we're seeing or only with DEBUG logging? Is there a way to turn off this check? Below is a snippet from foreman logs:

2017-05-10 13:22:10,916 [26eca5b2-a847-b7fe-adff-1685de29bb7a:foreman] INFO o.a.d.e.s.schedule.BlockMapBuilder - Failure finding Drillbit running on host hostlp0535.mydomain.com. Skipping affinity to that host.
2017-05-10 13:22:10,923 [26eca5b2-a847-b7fe-adff-1685de29bb7a:foreman] INFO o.a.d.e.s.schedule.BlockMapBuilder - Failure finding Drillbit running on host hostlp1402.mydomain.com. Skipping affinity to that host.
2017-05-10 13:22:10,923 [26eca5b2-a847-b7fe-adff-1685de29bb7a:foreman] INFO o.a.d.e.s.schedule.BlockMapBuilder - Failure finding Drillbit running on host hostlp0929.mydomain.com. Skipping affinity to that host.
2017-05-10 13:22:10,923 [26eca5b2-a847-b7fe-adff-1685de29bb7a:foreman] INFO o.a.d.e.s.schedule.BlockMapBuilder - Failure finding Drillbit running on host hostlp1098.mydomain.com. Skipping affinity to that host.
2017-05-10 13:22:10,923 [26eca5b2-a847-b7fe-adff-1685de29bb7a:foreman] INFO o.a.d.e.s.schedule.BlockMapBuilder - Failure finding Drillbit running on host hostlp1230.mydomain.com. Skipping affinity to that host.
2017-05-10 13:22:10,923 [26eca5b2-a847-b7fe-adff-1685de29bb7a:foreman] INFO o.a.d.e.s.schedule.BlockMapBuilder - Failure finding Drillbit running on host hostlp1388.mydomain.com. Skipping affinity to that host.
2017-05-10 13:22:10,923 [26eca5b2-a847-b7fe-adff-1685de29bb7a:foreman] INFO o.a.d.e.s.schedule.BlockMapBuilder - Failure finding Drillbit running on host hostlp0535.mydomain.com. Skipping affinity to that host.
2017-05-10 13:22:10,923 [26eca5b2-a847-b7fe-adff-1685de29bb7a:foreman] INFO o.a.d.e.s.schedule.BlockMapBuilder - Failure finding Drillbit running on host hostlp1291.mydomain.com. Skipping affinity to that host.

The hostname and domain are scrubbed.

Issue Links

• links to: GitHub Pull Request #911