Load Balancer as a Service(LBaaS),负载均衡即服务,是OpenStack在其网络组件Neutron中提供的一种将负载均衡器/软件/设备纳入到Neutron体系中的框架,纳入到Neutron中的负载均衡以服务的形态供用户使用。用户可以在OpenStack中自行创建负载均衡器,进行相关配置,并对自己在OpenStack上的instance进行负载均衡。 ...
使用hbase hbck 检查报如下错误: ERROR: (region actionlog3_201206,\xF5\xD71338640520048441900060910,1340796362317.938f47b2a853094f434a2efe71c51f59.) Multiple regions have the same startkey: \xF5\xD71338640520048441900060910 ERROR: (region actionlog3_201206,\xF5\xD71338640520 ...
hadoop1和hadoop2在线文档汇总 http://hadoop.apache.org/docs/ HDFS API http://hadoop.apache.org/hdfs/docs/r0.21.0/api/index.html http://hadoop.apache.org/hdfs/docs/current/api/index.html HADOOP API http://hadoop.apache.org/common/docs/current ...
注: -Dversion:编译的版本 -Declipse.home:系统安装的Eclipse的目录 -DHadoop.home:系统安装的Hadoop的目录 (注意上面用的是hadoop-2.2.0,因为我在用hadoop-2.5.1的时候出现了奇葩的错误: Could not find file /home/tang/hadoop-2.5.1/share/hadoop/common/lib/commons-lang-2.5.jar to copy. 后来查看确实只 ...
日志中打印了以下内容: 2014-01-30 20:53:19,137 WARN org.apache.hadoop.hbase.util.Sleeper: We slept 49779ms instead of 10000ms, this is likely due to a long garbage collecting pause and it's usually bad, see http://hbase.apache.org/book.html#trouble.rs.runtime.zkexpired ... 2014-01-30 20 ...