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From "Keith Turner (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ACCUMULO-4779) Instantiating iterator accesses config in a very slow way
Date Thu, 11 Jan 2018 22:03:00 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-4779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Keith Turner updated ACCUMULO-4779:
-----------------------------------
    Summary: Instantiating iterator accesses config in a very slow way  (was: Instantiating
iterator access config in a very slow way)

> Instantiating iterator accesses config in a very slow way
> ---------------------------------------------------------
>
>                 Key: ACCUMULO-4779
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4779
>             Project: Accumulo
>          Issue Type: Bug
>    Affects Versions: 1.7.3, 1.8.1
>            Reporter: Keith Turner
>            Assignee: Keith Turner
>
> I noticed this will looking at profiling data.  When creating iterators all configuration
is put in a TreeMap just to get two keys out.
> The following code 
> https://github.com/apache/accumulo/blob/rel/1.8.1/start/src/main/java/org/apache/accumulo/start/classloader/vfs/ContextManager.java#L118
> calls the following code
> https://github.com/apache/accumulo/blob/rel/1.8.1/core/src/main/java/org/apache/accumulo/core/conf/AccumuloConfiguration.java#L153



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