[GitHub] [incubator-druid] emrecanagah opened a new issue #7437: [restore data from metadata store] is it possible ? druid ver. 0.13

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emrecanagah opened a new issue #7437: [restore data from metadata store] is it possible ? druid ver. 0.13
URL: https://github.com/apache/incubator-druid/issues/7437
 
 
   Hi, 
   
   Below is my use-case;
   
   I have just deleted some part of my data-source by mistake and I have lost its availability around % 12 . I have been querying coordinator APIs from my console as it shows:
   
   curl -X 'GET' 'http://yonett1:8081/druid/coordinator/v1/loadstatus' and the result is 
   {"reporterwifiusage":100.0,"wifiusage":100.0,"activity3":87.79626432271229,"legacyusage1":100.0}
   
   curl -X 'GET' 'http://yonett1:8081/druid/coordinator/v1/loadstatus?simple' 
   {"reporterwifiusage":0,"legacyusage1":0,"wifiusage":0,"activity3":1555}
   
   When I querying the below command;
   curl -X 'GET' 'http://yonett1:8081/druid/coordinator/v1/metadata/datasources/activity3/segments?full' I indeed all the metadata segments for this data-source, activity3, as expected and I indeed count all missing segments as 1555. 
   
   All above operations I performed with fully understand however I can not figure out how I restore my missing 1555 segments from metadata source ? 
   
   **Is it possible to restore data-source from metadata store information** or is there a way to delete these metadata store information which is not desired at first place ? 
   
   Btw, I've setup HDFS and use it as the file system in my production cluster.
   
   I really need your help. 
   
   Kind regards,
   
   EA

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