[GitHub] drill issue #1105: DRILL-6125: Fix possible memory leak when query is cancel...

[vrozov]

Github user vrozov commented on the issue:

    https://github.com/apache/drill/pull/1105
  
    @ilooner What state is protected by `syncrhonized`? Why is it not 
sufficient to use `volatile` and `AtomicReference`?


---