[GitHub] [incubator-druid] clintropolis commented on a change in pull request #7181: Reduce default max # of subTasks to 2 for native parallel task

[GitBox <gi...@apache.org>]

clintropolis commented on a change in pull request #7181: Reduce default max # of subTasks to 2 for native parallel task
URL: https://github.com/apache/incubator-druid/pull/7181#discussion_r262328446
 
 

 ##########
 File path: docs/content/ingestion/native_tasks.md
 ##########
 @@ -181,7 +190,7 @@ The tuningConfig is optional and default parameters will be used if no tuningCon
 |reportParseExceptions|If true, exceptions encountered during parsing will be thrown and will halt ingestion; if false, unparseable rows and fields will be skipped.|false|no|
 |pushTimeout|Milliseconds to wait for pushing segments. It must be >= 0, where 0 means to wait forever.|0|no|
 |segmentWriteOutMediumFactory|Segment write-out medium to use when creating segments. See [SegmentWriteOutMediumFactory](#segmentWriteOutMediumFactory).|Not specified, the value from `druid.peon.defaultSegmentWriteOutMediumFactory.type` is used|no|
-|maxNumSubTasks|Maximum number of tasks which can be run at the same time.|Integer.MAX_VALUE|no|
+|maxNumSubTasks|Maximum number of tasks which can be run at the same time. The supervisor task would spawn worker tasks up to `maxNumSubTasks` regardless of the available task slots. If this value is set to too large, too many worker tasks can be created which might block other ingestion. Check [Capacity Planning](#capacity-planning) for more details.|2|no|
 
 Review comment:
   Is default 1 now?

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


With regards,
Apache Git Services

---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@druid.apache.org
For additional commands, e-mail: commits-help@druid.apache.org