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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1399) Allow users to annotate an application with multiple tags
Date Mon, 02 Dec 2013 22:38:36 GMT

    [ https://issues.apache.org/jira/browse/YARN-1399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13837020#comment-13837020

Zhijie Shen commented on YARN-1399:

bq. What is the concern for a tag being a valid unicode string? If queried via rest API the
values would be urlencoded, thus no harm.

For example, do we want to support the multiple words in a tag, such as "distributed systems"?
It doesn't have the problem when we do exact match for searching via tags? However, if we
want somewhat fuzzy match, we may need to take care of splitting word.

For user/queue/applicationType, we may want to them be lowercase/uppercase (or be converted
to lowercase/uppercase), thus being insensitive.

Also, it's good to ignore some characters, such as "?!/<={}" and etc. Thoughts?

> Allow users to annotate an application with multiple tags
> ---------------------------------------------------------
>                 Key: YARN-1399
>                 URL: https://issues.apache.org/jira/browse/YARN-1399
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
> Nowadays, when submitting an application, users can fill the applicationType field to
facilitate searching it later. IMHO, it's good to accept multiple tags to allow users to describe
their applications in multiple aspects, including the application type. Then, searching by
tags may be more efficient for users to reach their desired application collection. It's pretty
much like the tag system of online photo/video/music and etc.

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