工作相关问题记录帖

1、hadoop2.2.0多集群间更新数据出现Operation category READ is not supported in state standby错误，考虑采用如下方式处理：

http://slaytanic.blog.51cto.com/2057708/1423227

2、写journalnode时超时导致那么弄的挂掉

http://caiguangguang.blog.51cto.com/1652935/1418895

3、Djava.io.tmpdir=/home/xxx

4、http://www.aboutyun.com/forum.php?mod=viewthread&tid=10670&highlight=hue

5、http://blog.csdn.net/xiaohai0504/article/details/8028079

6、export HADOOP_COMMON_LIB_NATIVE_DIR=${HADOOP_PREFIX}/lib/native  

      export HADOOP_OPTS="-Djava.library.path=$HADOOP_PREFIX/lib"

7、distcp tcp方式 hadoop distcp 源路径 目标路径（一致） 

8、UAWEI+C8813%0D) AppleWebKi  数据截断问题  0|D

9、响应式 http://blog.csdn.net/hfahe/article/details/7082718/