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From "yair ogen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CONFIGURATION-530) AbstractFileConfiguration.getProperty(String key) locking causes thread halt
Date Sun, 17 Mar 2013 13:13:14 GMT

     [ https://issues.apache.org/jira/browse/CONFIGURATION-530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

yair ogen updated CONFIGURATION-530:
------------------------------------

    Summary: AbstractFileConfiguration.getProperty(String key) locking causes thread halt
 (was: AbstractFileConfiguration.getProperty(String key) locking causes thread hault)
    
> AbstractFileConfiguration.getProperty(String key) locking causes thread halt
> ----------------------------------------------------------------------------
>
>                 Key: CONFIGURATION-530
>                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-530
>             Project: Commons Configuration
>          Issue Type: Bug
>          Components: File reloading
>    Affects Versions: 1.9
>            Reporter: yair ogen
>            Priority: Critical
>
> Every call to getProperty causes a lock (related to the reload functionality). In a near
real-time system where we have many concurrent threads this affects heavily on the application
TPS. 
> Possible solution will be: getProperty only returns current value. Reload when needed
occurs in a background thread that updates the in-memory map (perhaps by using CopyOnWrite
collections?).

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