[GitHub] [incubator-doris] xinyiZzz edited a comment on pull request #8443: fix mem_tracker in olap_scanner and olap_scan_node

[GitBox]

xinyiZzz edited a comment on pull request #8443:
URL: https://github.com/apache/incubator-doris/pull/8443#issuecomment-1065929255


   > We should add another patch, which control memory consumption of 
OlapScanner
   > and OlapTableSink by percent of exec_mem_limit. Thus, the query does not
   > fail due to memory over limit.
   
   <img width="536" alt="image" 
src="https://user-images.githubusercontent.com/13197424/158028901-deec81ae-393f-4482-8506-ea1101141b9e.png";>
   Now OlapScanner uses up to 60% of exec_mem_limit, 
   Of course, I don't know how the 60% figure came from = =|.


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