Charles Givre created DRILL-8118:
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             Summary: Add Option to Allow Disk Use on Mongo Queries
                 Key: DRILL-8118
                 URL: https://issues.apache.org/jira/browse/DRILL-8118
             Project: Apache Drill
          Issue Type: Bug
          Components: Storage - MongoDB
    Affects Versions: 1.19.0
            Reporter: Charles Givre
            Assignee: Charles Givre
             Fix For: 1.20.0


MongoDB has a strange feature (?) whereby queries which use more than 100MB of 
memory will by default fail.  Mongo allows the user to specify whether they 
want the query to spill to disk which allows larger queries but at a 
performance cost.

This minor PR adds the ability for a user to specify whether they want this 
option included in Mongo queries.  This only affects aggregate queries in 
Mongo. 

 



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