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https://issues.apache.org/jira/browse/HDFS-15448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoqiao He updated HDFS-15448:
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Summary: Remove duplicate BlockPoolManager starting when run DataNode
(was: When starting a DataNode, call BlockPoolManager#startAll() twice.)
> 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
> Affects Versions: 3.1.1
> Reporter: jianghua zhu
> Assignee: jianghua zhu
> Priority: Major
> 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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