namenode

常見例句

• The Datanodes also perform block creation, deletion, and replication upon instruction from the Namenode.
  數(shù)據(jù)節(jié)點(diǎn)執(zhí)行來自于名字節(jié)點(diǎn)的建立、刪除、復(fù)制指令.
• dfs.secondary.http.address ：The secondary namenode http server address and port.
  如果port為0，則端口就會(huì)使用隨機(jī)的可用port。
• 1.Replication of data blocks does not occur when the NameNode is in the Safemode state.
  并不是全部檢測完才退出安全模式，而是達(dá)到一個(gè)配置的比例的時(shí)候。
返回 namenode