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https://issues.apache.org/jira/browse/DRILL-8485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17830261#comment-17830261
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ASF GitHub Bot commented on DRILL-8485:
---------------------------------------
shfshihuafeng opened a new pull request, #2891:
URL: https://github.com/apache/drill/pull/2891
…n read data from InputStream
# [DRILL-8485](https://issues.apache.org/jira/browse/DRILL-8485):
HashJoinPOP memory leak is caused by an oom exception when read data from
InputStream
## Description
it is similar to
[DRILL-8484](https://issues.apache.org/jira/browse/DRILL-8484)
**exception info**
```
Caused by: org.apache.drill.exec.exception.OutOfMemoryException: Unable to
allocate buffer of size 16384 (rounded from 15364) due to memory limit
(41943040). Current allocation: 4337664
at
org.apache.drill.exec.memory.BaseAllocator.buffer(BaseAllocator.java:241)
at
org.apache.drill.exec.memory.BaseAllocator.buffer(BaseAllocator.java:216)
at
org.apache.drill.exec.memory.BaseAllocator.read(BaseAllocator.java:856)
```
**leak info**
```
Allocator(frag:5:1) 5000000/1000000/27824128/40041943040
(res/actual/peak/limit)
child allocators: 1
Allocator(op:5:1:1:HashJoinPOP) 1000000/16384/22822912/41943040
(res/actual/peak/limit)
child allocators: 0
ledgers: 2
ledger[442780] allocator: op:5:1:1:HashJoinPOP), isOwning: true,
size: 8192, references: 2, life: 4486836603491..0, allocatorManager: [390894,
life: 4486836601180..0] holds 4 buffers.
DrillBuf[458469], udle: [390895 1024..8192]
event log for: DrillBuf[458469]
```
## Documentation
(Please describe user-visible changes similar to what should appear in the
Drill documentation.)
## Testing
The testing method for drill-8485 is the similar as for
[DRILL-8484](https://issues.apache.org/jira/browse/DRILL-8484). we can throw
exception in the method readVectors
> HashJoinPOP memory leak is caused by an oom exception when read data from
> InputStream
> -------------------------------------------------------------------------------------
>
> Key: DRILL-8485
> URL: https://issues.apache.org/jira/browse/DRILL-8485
> Project: Apache Drill
> Issue Type: Bug
> Components: Server
> Affects Versions: 1.21.1
> Reporter: shihuafeng
> Priority: Major
> Fix For: 1.21.1
>
>
> when traversing fieldList druing read data from InputStream, if the
> intermediate process throw exception,we can not release previously
> constructed vectors. it result in memory leak。
> it is similar to DRILL-8484
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