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https://issues.apache.org/jira/browse/IOTDB-4517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17612824#comment-17612824
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FengQingxin commented on IOTDB-4517:
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!image-2022-10-05-08-01-42-440.png|width=578,height=281!
性能检测发现有恢复现象，但是跨空间合并普通时间序列原本耗时低于对齐时间序列，目前却高于了对齐时间序列的合并耗时；因此还有部分优化空间。
> [Atmos]Cross_space and unseq_space compaction are slower at common timeseries
> and template timeseries
> -----------------------------------------------------------------------------------------------------
>
> Key: IOTDB-4517
> URL: https://issues.apache.org/jira/browse/IOTDB-4517
> Project: Apache IoTDB
> Issue Type: Bug
> Components: Core/Compaction
> Affects Versions: 0.14.0-SNAPSHOT
> Reporter: FengQingxin
> Assignee: Liuxuxin
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.14.0
>
> Attachments: image-2022-09-23-17-42-33-888.png,
> image-2022-10-05-08-01-42-440.png
>
>
> [Atmos]Cross_space and unseq_space compaction are slower at common timeseries
> and template timeseries
> [http://111.202.73.147:13000/d/ta84fXYnz/atm-biao-zhun-da-qi-ya-huan-jing-he-bing?orgId=1]
> !image-2022-09-23-17-42-33-888.png|width=781,height=380!
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