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https://issues.apache.org/jira/browse/IOTDB-2279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17471630#comment-17471630
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Alima777 commented on IOTDB-2279:
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Hi, this seems not a problem... If this query is so large that timeout, you
should turn up the timeout parameter. By the way, what's the result if you
don't modify this `max_deduplicated_path_num` paremeter?
> Export a amount of data, report 500
> -----------------------------------
>
> Key: IOTDB-2279
> URL: https://issues.apache.org/jira/browse/IOTDB-2279
> Project: Apache IoTDB
> Issue Type: Bug
> Components: Tools/Others
> Affects Versions: 0.13.0-SNAPSHOT
> Reporter: xiaozhihong
> Assignee: Alima777
> Priority: Major
> Attachments: image-2022-01-06-14-15-53-958.png,
> image-2022-01-06-14-32-15-413.png
>
>
> 1、using benchmark to write data:
> GROUP_NUMBER=10
> DEVICE_NUMBER=10
> SENSOR_NUMBER=300
> LOOP=1000
> BATCH_SIZE_PER_WRITE=1000
> IS_OUT_OF_ORDER=true
> OUT_OF_ORDER_MODE=BATCH
> 2、In iotdb-engine.properties，modify a parameter：
> max_deduplicated_path_num=100000
> 3、execute csv export:
> !image-2022-01-06-14-15-53-958.png!
> !image-2022-01-06-14-32-15-413.png!
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