Hadoop Namenode恢复
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2023-09-02
21:19:37
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1.修改 conf/core-site.xml,增加
Xml 代码
1. <property>
2. <name>fs.checkpoint.period</name>
3. <value>3600</value>
4. <description>The number of seconds between two periodic checkpoints.
</description>
5. </property>
6. <property>
7. <name>fs.checkpoint.size</name>
8. <value>67108864</value>
9. <description>The size of the current edit log (in bytes) that trigge
rs a periodic checkpoint even if the fs.checkpoint.period hasn't expir
ed. </description>
10. </property>
11.
12. <property>
13. <name>fs.checkpoint.dir</name>
14. <value>/data/work/hdfs/namesecondary</value>
15. <description>Determines where on the local filesystem the DFS second
ary name node should store the temporary images to merge. If this
is a comma-delimited list of directories then the image is replicated i
n all of the directories for redundancy. </description>
16. </property>
fs.checkpoint.period 表示多长时间记录一次 hdfs 的镜像。默认是 1 小时。
fs.checkpoint.size 表示一次记录多大的 size，默认 64M
2.修改 conf/hdfs-site.xml,增加
Xml 代码
1. <property>
2. <name>dfs.http.address</name>
3. <value>master:50070</value>
4. <description> The address and the base port where the dfs namenod
e web ui will listen on. If the port is 0 then the server will start on a
free port. </description>
5. </property>
0.0.0.0 改为 namenode 的 IP 地址
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