wesleydeng created IMPALA-10578:
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Summary: Big Query influence other query seriously when hardware
not reach limit
Key: IMPALA-10578
URL: https://issues.apache.org/jira/browse/IMPALA-10578
Project: IMPALA
Issue Type: Bug
Components: Backend
Affects Versions: Impala 3.4.0
Environment: impala-3.4
80 machines with 96 cpu and 256GB mem
Reporter: wesleydeng
Attachments: image-2021-03-10-19-59-24-188.png
When a big query is running, other query is very difficult to start. >From the
impalad log, I found a incomprehensible log like this:
!https://iwiki.woa.com/download/attachments/584684948/image2021-3-10_17-4-33.png?version=1&modificationDate=1615367074000&api=v2!
!image-2021-03-10-19-59-24-188.png!
When the Big query is running, data spilled has happened because mem_limit was
set and this big query waste a lot of memory.
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