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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-1241) Add typing to trace annotations
Date Fri, 06 Mar 2015 18:26:38 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-1241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14350670#comment-14350670
] 

James Taylor commented on PHOENIX-1241:
---------------------------------------

If metics aren't typed, then I'd go back to the solution I proposed above to declare a metric
name in the SYSTEM.STATS table and convert it as it's upserted. The "inferring type based
on byte[]" is not viable IMHO.

I'll file an HTrace JIRA too - I think it's valuable to type metrics. After all, it's mostly
numeric data, so why take the number->string->number hit?

> Add typing to trace annotations
> -------------------------------
>
>                 Key: PHOENIX-1241
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1241
>             Project: Phoenix
>          Issue Type: Sub-task
>    Affects Versions: 5.0.0, 4.1.1
>            Reporter: Jesse Yates
>             Fix For: 5.0.0, 4.1.1
>
>
> Currently traces only support storing string valued annotations - this works for known
trace sources. However, phoenix will have trace annotations with specific types. We can improve
the storage format to know about these custom types, rather than just storing strings, making
the query interface more powerful.
> See PHOENIX-1226 for more discussion



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