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https://issues.apache.org/jira/browse/AMBARI-12868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14718301#comment-14718301
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Andrii Tkach commented on AMBARI-12868:
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+1 for the patch
> Improve calls to the localStorage
> ---------------------------------
>
> Key: AMBARI-12868
> URL: https://issues.apache.org/jira/browse/AMBARI-12868
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.1.1
> Reporter: Oleg Nechiporenko
> Assignee: Oleg Nechiporenko
> Fix For: 2.1.2
>
> Attachments: AMBARI-12868.patch, AMBARI-12868_2.patch,
> AMBARI-12868_3.patch
>
>
> methods like {{setDBProperty}} and {{getDBProperty}} work slow, if are used
> several times one after another. Example:
> {code:javascript}
> var a = this.getDBProperty('a');
> var b = this.getDBProperty('b');
> var c = this.getDBProperty('c');
> {code}
> Each getDBProperty-call does {{localStorage.getObject}} which may be slow if
> readable object is too big (it may take 100-150 ms). So, it's better to read
> list of values with one call, like:
> {code:javascript}
> this.getDBProperties(['a', 'b', 'c']);
> {code}
> And same for {{setDBProperties}}.
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