Changes between Version 1 and Version 2 of waue/2009/0402


Ignore:
Timestamp:
Apr 2, 2009, 9:18:19 AM (16 years ago)
Author:
waue
Comment:

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  • waue/2009/0402

    v1 v2  
    11= Hadoop分佈式文件系統使用指南二 =
    22
     3= 升級 =
     4 * 先看狀態
     5{{{
     6$ bin/hadoop dfsadmin -upgradeProgress status
     7
     8There are no upgrades in progress.
     9}}}
     10
     11 * 停止集群並部署新版本的Hadoop
     12
     13 * 啟動
     14{{{
     15$ bin/start-dfs.sh -upgrade
     16}}}
     17
     18= 退回 =
     19
     20 * 停止集群並且部署老版本的Hadoop
     21
     22 * 退回之前版本
     23{{{
     24$ bin/start-dfs.h -rollback
     25}}}