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https://issues.apache.org/jira/browse/COMPRESS-606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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hao ying updated COMPRESS-606:
------------------------------
    Description: 
i try to use TarArchiveInputStream decompress a *tar.gz file. After 
decompressing, the memory cost of java process from 50Mb to almost 300Mb. And 
full gc cannot clear this part of memory.

I use gdb to check context of this memoy block. it seemd like a buffer. It is 
out of the heap memory so gc cannot clear it. I cannot confirm if it is really 
memory leak. 

So, besides killing java process, how can I free this part of memory?

  was:
i try to use TarArchiveInputStream decompress a *tar.gz file. After 
decompressing, the memory cost of java process from 50Mb to almost 300Mb. And 
full gc cannot clear this part of memory.

I use gdb to check context of this memoy block. it seemd like a buffer in order 
to decompressing. It is out of the heap memory so gc cannot clear it. I cannot 
confirm if it is really memory leak. 

So, besides killing java process, how can I free this part of memory?

       Priority: Major  (was: Minor)

> Suspected memory leak
> ---------------------
>
>                 Key: COMPRESS-606
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-606
>             Project: Commons Compress
>          Issue Type: Improvement
>    Affects Versions: 1.21
>            Reporter: hao ying
>            Priority: Major
>
> i try to use TarArchiveInputStream decompress a *tar.gz file. After 
> decompressing, the memory cost of java process from 50Mb to almost 300Mb. And 
> full gc cannot clear this part of memory.
> I use gdb to check context of this memoy block. it seemd like a buffer. It is 
> out of the heap memory so gc cannot clear it. I cannot confirm if it is 
> really memory leak. 
> So, besides killing java process, how can I free this part of memory?



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