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StandBy NameNode 合并并回传FSImage_standby namenode会定期合并edits和fsimage,并返回给-CSDN博客

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文章浏览阅读336次。文章目录启动StandbyCheckpointerdoCheckpointsave FSImage文件启动独立线程,SNN 向NN PUT FSImageImageServlet 接收 FSImage启动StandbyCheckpointer// 接上篇StandbyState public void enterState(HAContext context)NameNodeHAConte..._standby namenode会定期合并edits和fsimage,并返回给