Ozone SCM的Container状态转化分析

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发布时间：2019-03-05

本文共 1141 字，大约阅读时间需要 3 分钟。

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????????Ozone SCM?Pipeline??????????????????????????Container???Ozone SCM??????????Container?????????????????????????HDFS??NameNode?Block???????????Container?????????Container???????????????????

SCM?Datanode???Container????

Ozone SCM??Container Report???Datanode?????????????????????????????????? 1. Datanode????????Container??????????????SCM??? 2. SCM??????????????Container???????????????????????miss??? 3. SCM??ReplicationManager????Container????????????????????????????Container????? 4. Stale/Dead Handler????????inactive Pipeline??Container?????

SCM Container????

?????????Container???????????????6???? - **OPEN**???????????????? - **CLOSING**???????? - **QUASI_CLOSED**????????? - **CLOSED**?????????????? - **DELETING**???????? - **DELETED**??????????admin????????????

?????

QUASI_CLOSED?CLOSED??????

QUASI_CLOSED?CLOSED??????????????????????????

???????????QUASI_CLOSED?SCM???????CLOSED?

????????

[?1]

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[1]. Apache JIRA HDDS-2794?Failed to close QUASI_CLOSED container [2]. Apache JIRA HDDS-1561?Mark OPEN containers as QUASI_CLOSED as part of Ratis groupRemove [3]. Apache JIRA HDDS-737?Introduce Incremental Container Report

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