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From "Aleksey Shipilev" <aleksey.shipi...@gmail.com>
Subject Re: Good patch for NMM GSoC project --> Re: [jira] Created: (HARMONY-5684) [drlvm][memory] Native memory management and tuning
Date Fri, 04 Apr 2008 21:06:33 GMT
Thanks, Xiao-Feng, Andrey!

On Thu, Apr 3, 2008 at 5:39 PM, Xiao-Feng Li <xiaofeng.li@gmail.com> wrote:
> For students who apply for the Unified Native Memory Management
>  project, this patch can be a good start base.
>
>  Thanks,
>  xiaofeng
>
>  On Thu, Apr 3, 2008 at 7:16 PM, Andrey Yakushev (JIRA) <jira@apache.org> wrote:
>  > [drlvm][memory] Native memory management and tuning
>  >  ---------------------------------------------------
>  >
>  >                  Key: HARMONY-5684
>  >                  URL: https://issues.apache.org/jira/browse/HARMONY-5684
>  >              Project: Harmony
>  >           Issue Type: Improvement
>  >           Components: DRLVM
>  >             Reporter: Andrey Yakushev
>  >
>  >
>  >  There are several problems in DRLVM with native memory usage. For example:
>  >  - Native memory usage couldn't be monitored currently in details via java.lang.management
functionality
>  >  - No explicit way to replace system native memory allocator to other memory managers
in order to improve performance or footprint
>  >  - Too many variants of the native memory allocations in DRLVM
>  >  - Poor memory usage control (like leaks, double free calling, etc.)
>  >  - Potential crash in diagnostics when OutOfMemory occur
>  >  - Frequent native memory usage could cause OutOfMemory if GC wouldn't be timely
called
>  >  - No detail trace for the native memory usage
>  >
>  >  Adding of some functionality to solve these would be hepful I think?
>  >
>  >  --
>  >  This message is automatically generated by JIRA.
>  >  -
>  >  You can reply to this email to add a comment to the issue online.
>  >
>  >
>
>
>
>  --
>  http://xiao-feng.blogspot.com
>

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