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From "Erik Holstad (JIRA)" <j...@apache.org>
Subject [jira] Commented: (ZOOKEEPER-472) Making DataNode not instantiate a HashMap when the node is ephmeral
Date Wed, 11 Nov 2009 19:10:39 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12776580#action_12776580
] 

Erik Holstad commented on ZOOKEEPER-472:
----------------------------------------

Sounds good to me.

> Making DataNode not instantiate a HashMap when the node is ephmeral
> -------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-472
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-472
>             Project: Zookeeper
>          Issue Type: Improvement
>          Components: server
>    Affects Versions: 3.1.1, 3.2.0
>            Reporter: Erik Holstad
>            Assignee: Erik Holstad
>            Priority: Minor
>             Fix For: 3.3.0
>
>         Attachments: zookeeper-472.patch, zookeeper-472.patch, zookeeper-472.patch, zookeeper-472.patch,
zookeeper-472.patch, zookeeper-472.patch
>
>
> Looking at the code, there is an overhead of a HashSet object for that nodes children,
even though the node might be an ephmeral node and cannot have children.

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