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Posted to issues@drill.apache.org by "Timothy Farkas (JIRA)" <ji...@apache.org> on 2017/08/17 21:01:00 UTC
[jira] [Commented] (DRILL-5507) Millions of "Failure finding
Drillbit running on host" info messages in foreman logs
[ https://issues.apache.org/jira/browse/DRILL-5507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16131289#comment-16131289 ]
Timothy Farkas commented on DRILL-5507:
---------------------------------------
Many of these messages get produced because there can be many Blocks for each file. This message doesn't indicate an error and should be debug level instead info.
> Millions of "Failure finding Drillbit running on host" info messages in foreman logs
> ------------------------------------------------------------------------------------
>
> Key: DRILL-5507
> URL: https://issues.apache.org/jira/browse/DRILL-5507
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 1.10.0
> Reporter: Veera Naranammalpuram
> Assignee: Timothy Farkas
>
> 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.
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