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https://issues.apache.org/jira/browse/IOTDB-943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17213607#comment-17213607
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Yuan Tian commented on IOTDB-943:
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Fix in [this PR|https://github.com/apache/iotdb/pull/1783]
> MManager and MTree Lock cause the cpu usage too high
> ----------------------------------------------------
>
> Key: IOTDB-943
> URL: https://issues.apache.org/jira/browse/IOTDB-943
> Project: Apache IoTDB
> Issue Type: Bug
> Components: Core/Engine
> Affects Versions: 0.10.0, 0.10.1
> Reporter: Yuan Tian
> Priority: Major
> Labels: cpu-usage
> Fix For: 0.11.0
>
> Attachments: image-2020-10-14-12-46-16-614.png,
> image-2020-10-14-12-46-38-273.png
>
>
> When we've already created timeseries, each time we want to insert data of
> any timeseries, we first need to acquire the lock in MManager to get the
> schema of that timeseries.
> And as the experiment shows that, this will cause the cpu usage be too high
> while inserting data.
> !image-2020-10-14-12-46-16-614.png!
> !image-2020-10-14-12-46-38-273.png!
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