[jira] [Updated] (HDFS-15448) Remove duplicate BlockPoolManager starting when run DataNode

["Shilun Fan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-15448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shilun Fan updated HDFS-15448:
------------------------------
         Component/s: datanode
    Target Version/s: 3.4.0

> Remove duplicate BlockPoolManager starting when run DataNode
> ------------------------------------------------------------
>
>                 Key: HDFS-15448
>                 URL: https://issues.apache.org/jira/browse/HDFS-15448
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>    Affects Versions: 3.1.1
>            Reporter: JiangHua Zhu
>            Assignee: JiangHua Zhu
>            Priority: Major
>             Fix For: 3.4.0
>
>         Attachments: HDFS-15448.001.patch, HDFS-15448.002.patch, HDFS-15448.003.patch, method_invoke_path.jpg
>
>
> When starting a DataNode, call BlockPoolManager#startAll() twice.
> The first call:
> BlockPoolManager#doRefreshNamenodes()
> private void doRefreshNamenodes(
>  Map<String, Map<String, InetSocketAddress>> addrMap,
>  Map<String, Map<String, InetSocketAddress>> lifelineAddrMap)
>  throws IOException {
>  ...
> startAll();
> ...
> }
> The second call:
> DataNode#runDatanodeDaemon()
> public void runDatanodeDaemon() throws IOException {
> blockPoolManager.startAll();
> ...
> }



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