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Posted to notifications@iotdb.apache.org by "Hai Liu (Jira)" <ji...@apache.org> on 2021/09/30 09:22:00 UTC

[jira] [Assigned] (IOTDB-1372) TsFileResource memory control

     [ https://issues.apache.org/jira/browse/IOTDB-1372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hai Liu reassigned IOTDB-1372:
------------------------------

    Assignee: Yuan Tian  (was: Haiming Zhu)

> TsFileResource memory control
> -----------------------------
>
>                 Key: IOTDB-1372
>                 URL: https://issues.apache.org/jira/browse/IOTDB-1372
>             Project: Apache IoTDB
>          Issue Type: Improvement
>          Components: Core/Engine
>            Reporter: Jialin Qiao
>            Assignee: Yuan Tian
>            Priority: Major
>              Labels: pull-request-available
>   Original Estimate: 16h
>  Remaining Estimate: 16h
>
> For each data file TsFile, we generate a TsFileResource, which contains the time interval of paths in this file.  The TsFileResource is used as a time filter to locate data.
> Currently, all TsFileResources with device-level indexes are cached in memory (TsFileManagement.java).
> This may cause OOM. We need to control its memory.
>  
> 设计文档见[https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=184617885]



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