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Posted to notifications@iotdb.apache.org by "ZhaoXin (Jira)" <ji...@apache.org> on 2022/09/01 00:23:00 UTC

[jira] [Commented] (IOTDB-3216) Persistence Schema: Efficient Segment Implements

    [ https://issues.apache.org/jira/browse/IOTDB-3216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17598667#comment-17598667 ] 

ZhaoXin commented on IOTDB-3216:
--------------------------------

目前已解决绝大部分测试提出的问题，遗留两点待完成：
 # issue 3753 中 OOM 显示海量序列时内存占用过高，需抽样确定各模块内存占比
 # 序列的 tag 及 attribute 尚不支持海量序列场景，留待分布式版本中重构支持

> Persistence Schema: Efficient Segment Implements
> ------------------------------------------------
>
>                 Key: IOTDB-3216
>                 URL: https://issues.apache.org/jira/browse/IOTDB-3216
>             Project: Apache IoTDB
>          Issue Type: Improvement
>            Reporter: ZhaoXin
>            Assignee: ZhaoXin
>            Priority: Major
>              Labels: pull-request-available
>   Original Estimate: 32h
>  Remaining Estimate: 32h
>
> Refactor Schema File so that segments belong to one parent form a B+ Tree structure rather than a list. This refactor will makes it reasonable time cost even with a node containing massive children.



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