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https://issues.apache.org/jira/browse/IOTDB-2651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liuxuxin reassigned IOTDB-2651:
-------------------------------
Assignee: Liuxuxin
> [compaction level-2] The write performance deteriorates severely
> ----------------------------------------------------------------
>
> Key: IOTDB-2651
> URL: https://issues.apache.org/jira/browse/IOTDB-2651
> Project: Apache IoTDB
> Issue Type: Bug
> Components: Core/Compaction
> Affects Versions: 0.13.0
> Reporter: 刘珍
> Assignee: Liuxuxin
> Priority: Major
> Attachments: image-2022-03-02-17-47-06-196.png,
> image-2022-03-02-17-50-45-149.png, image-2022-03-02-17-51-49-608.png,
> image-2022-03-02-17-52-06-148.png, level-2_log_all.log.gz
>
>
> 测试版本master-pre3
> 测试环境：私有云2台，8C32G
> 问题描述：
> 长测配置，对齐序列，无乱序，运行5小时40分钟，发生合并2层文件，随之出现写入性能下降严重，同时GC上升。
> 测试结果：
> 1. 写入性能，绿色的线：
> !image-2022-03-02-17-47-06-196.png!
> 2. 查询耗时
> !image-2022-03-02-17-50-45-149.png!
> 3.磁盘IO
> !image-2022-03-02-17-51-49-608.png!
> 4.GC
> !image-2022-03-02-17-52-06-148.png!
> 5.log见附件
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