[GitHub] [incubator-druid] RestfulBlue opened a new issue #7356: Exception with auto compaction

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

RestfulBlue opened a new issue #7356: Exception with auto compaction
URL: https://github.com/apache/incubator-druid/issues/7356
 
 
   Hi , i am trying to use druid 0.14.0(rc2), but it looks like there is a bug with auto compaction.
   
   I submit compaction config to coordinator: 
   ```json
   {
     "dataSource" : "druid-metrics",
   }
   ```
   but there are exceptions in coordinator logs : 
   org.apache.druid.java.util.common.ISE : Failed to post task at HttpIndexingServiceClient:135
   Looks like there is problem with that : 
   1) In DataSourceCompactionConfig, if targetCompactionSizeBytes is null then it get replaced with default value
   2) In ClientCompactQueryTuningConfig maxRowsPerSegment is replaced with default value
   According to docs : 
   ```
   targetCompactionSizeBytes | Target segment size after comapction. Cannot be used with targetPartitionSize, maxTotalRows, and numShards in tuningConfig.
   ```
   And as a result every submit of compaction is failing because this condition always failing. Am i doing something wrong? Changing tuningConfig will not help, because null vals will be replaced anyway 
   
   Also, throwing exception in HttpIndexingServiceClient:135 does not show error message and only print .toString() method(which is not overriden in CompactionTask) , not logging overlord error at all. understand what is going on is hard (that was a debugger in my case) 

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