[GitHub] [incubator-doris] spaces-X opened a new issue #6269: Spark load OOM in BE

[GitBox]

spaces-X opened a new issue #6269:
URL: https://github.com/apache/incubator-doris/issues/6269


   **Describe the bug**
   Be will OOM  when loading a large amount of data.
   
   
![image](https://user-images.githubusercontent.com/21240668/126126189-d3b77115-325e-416c-be12-cc61492a2bca.png)
   
![image](https://user-images.githubusercontent.com/21240668/126126846-565e00c3-a68c-4dd6-9eeb-979b4c0d541b.png)
   
   The monitoring chart above shows that Be will restart because of oom in 
spark load.
   The pprof shows that deserialization use lots of mermory, which is not 
necessary in spark load.


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