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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2021/03/11 08:03:14 UTC
[GitHub] [incubator-doris] stdpain opened a new issue #5503: [BUG] BE HashJoinNode may not be able to limit memory under certain queries
stdpain opened a new issue #5503:
URL: https://github.com/apache/incubator-doris/issues/5503
**Describe the bug**
RT
**To Reproduce**
Steps to reproduce the behavior:
1. LINE_ORDER is a table from SSB
2. set memory limit to 4G
3. execute
```
select
count(*)
from
LINE_ORDER_X a
join [broadcast] LINE_ORDER_X b
join [shuffle] LINE_ORDER_X c
where
upper(a.`LO_ORDERKEY`) = upper(b.`LO_ORDERKEY`)
and upper(b.`LO_ORDERKEY`) = upper(c.`LO_ORDERKEY`);
```
4. See BE LOG:
```
- AverageThreadTokens: 1.97
- FragmentCpuTime: 45s358ms
- MemoryLimit: 4.00 GB
- PeakMemoryUsage: 5.80 GB
- PeakReservation: 0
- PeakUsedReservation: 0
- RowsProduced: 150.00M
```
**Expected behavior**
BE should return a memory exceed error
**Additional context**
Later I will Fix it and optimize the memory usage of join stage function calculation
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[GitHub] [incubator-doris] morningman closed issue #5503: [BUG] BE HashJoinNode may not be able to limit memory under certain queries
Posted by GitBox <gi...@apache.org>.
morningman closed issue #5503:
URL: https://github.com/apache/incubator-doris/issues/5503
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