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Posted to notifications@superset.apache.org by GitBox <gi...@apache.org> on 2021/10/20 02:05:28 UTC

[GitHub] [superset] chen-ABC commented on issue #15132: Superset memory leak

chen-ABC commented on issue #15132:
URL: https://github.com/apache/superset/issues/15132#issuecomment-947250224


   @zhaoyongjie    
   I think I found the cause of the memory leak.
   ```
    @utils.memoized(watch=("impersonate_user", "sqlalchemy_uri_decrypted", "extra"))
       def get_sqla_engine(
   ```
   memoized use tuple key , The keys for the same query are different.
   ![image](https://user-images.githubusercontent.com/30097790/138015661-ff373e15-e89a-4e55-81b8-c28d3c104033.png)
   
    I think we have the same problem  in superset 1.3.0
   example:
   ![image](https://user-images.githubusercontent.com/30097790/138015360-5a873831-8b46-48c8-90a3-dfd2c6004647.png)


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