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https://issues.apache.org/jira/browse/IOTDB-528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17048669#comment-17048669
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Julian Feinauer commented on IOTDB-528:
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[~hxd]I did a very first and very simple implementation. In the video attached
you see the speed that I have in clicking around. I have one sample each second
for the first 100 days of the year so it would take extremly long to show "this
year so far" wighout my little optimization".
[^autozoom.mov]
> [GRAFANA] Implicitly do GROUP BY to avoid sending to many data over the wire
> ----------------------------------------------------------------------------
>
> Key: IOTDB-528
> URL: https://issues.apache.org/jira/browse/IOTDB-528
> Project: Apache IoTDB
> Issue Type: Improvement
> Components: Connectors/Grafana
> Reporter: Julian Feinauer
> Priority: Major
> Labels: performance
> Attachments: autozoom.mov
>
>
> When using itodb-grafana integration through SimpleJson it seems like it does
> not do any aggregation at all.
> In situations where one selects a big time range it should do some
> subsampling with group by to limit the number of rows being sent.
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