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https://issues.apache.org/jira/browse/HTRACE-362?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15444072#comment-15444072
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Nisala Mendis commented on HTRACE-362:
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Hi Colin,
In following commit [1] I have addressed the following,
1. Kudu table open happens only one time, we dont open it for each receiving
span. However I couldn't find a place where I could close separate table. I
guess session and client close would handle that thing. This is handled
correctly when we close span receiver.
2. I have added separate table for store parents of all child spans. Added span
id of child as foreign key so that we can correlate parent spans of a child
spans. Now we can have all the parents of a child span not just one.
Please let me know if you are happy with the data model here, so that I could
apply to span viewer classes as well.
[1]
https://github.com/apache/incubator-htrace/pull/11/commits/641d05bfe3b65e4df7c9097d7f3a3c8f76179f9b
Regards
Nisala
> Apache KUDU Span receiver implementation for Apache HTrace
> ----------------------------------------------------------
>
> Key: HTRACE-362
> URL: https://issues.apache.org/jira/browse/HTRACE-362
> Project: HTrace
> Issue Type: Bug
> Reporter: Nisala Mendis
> Assignee: Nisala Mendis
> Attachments: HTRACE-362.001.patch, HTRACE-362.002.patch,
> HTRACE-362.003.patch, HTRACE-362.004.patch, HTRACE-362.005.patch,
> kudu_receiver.patch, kudu_span_receiver_basic_design.pdf
>
>
> Implementation should be carried two components as span receiver that writes
> kudu back end and span viewer to view written span/traces.
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