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From "Isuru Udana Loku Narangoda (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SYNAPSE-998) Memory leak in VFS
Date Sun, 25 Dec 2016 07:23:58 GMT

     [ https://issues.apache.org/jira/browse/SYNAPSE-998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Isuru Udana Loku Narangoda resolved SYNAPSE-998.
------------------------------------------------
       Resolution: Fixed
         Assignee: Isuru Udana Loku Narangoda  (was: Hiranya Jayathilaka)
    Fix Version/s: 3.0

Slightly modified fix committed with revision 1775996.

> Memory leak in VFS
> ------------------
>
>                 Key: SYNAPSE-998
>                 URL: https://issues.apache.org/jira/browse/SYNAPSE-998
>             Project: Synapse
>          Issue Type: Bug
>            Reporter: Vanjikumaran Sivajothy
>            Assignee: Isuru Udana Loku Narangoda
>            Priority: Critical
>             Fix For: 3.0
>
>         Attachments: AfterPatchMemoryPattern.png, CreateDir.py, CreateProxy.py, HitHard.py,
MemoryUsagePatternWithoutpatch1.png, MemoryUsagePatternWithoutpatch2.png, MemoryUsagePatternWithoutpatch3.png,
SYNAPSE-998.diff, synapse_Leak_Suspects.zip, synapse_Top_Consumers.zip
>
>
> Hi, 
> I have tested the VFS functionality with 500 proxies and each proxy pointed to different
500 folders. Then send around 300 concurrent HTTP request to each proxy. With the time i was
able to notice memory growth and Synapse get Memory leak.
> Therefore, i run the 300 concurrent HTTP request again the Synapse and killed client
in the middle. I was able to clearly observe in Jconsole, memory was not released even when
i try to perform GC manually.
> To reproduce this, I have attached the python scripts that i have used to create Directories,
Proxies and Requests.



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