HBase 永久RIT(Region-In-Transition)问题:异常关机导致HBase表损坏和丢失,大量Regions 处于Offline状态,无法上线。 问题1:启动HBase时,HBase Regionserver Web UI,一直停留在The RegionServer is initializing! 界面。 故障排查及解决思路 查看HBase日志 hbase日志里多次出现,再次深入发现其已经RIT # 查看hdfs safe m...
The Load Balancer is not enabled which will eventually cause performance degradation in HBase as Regions will not be distributed across all RegionServers. The balancer is only expected to be disabled during rolling upgrade scenarios. 关闭balance,防止在停掉服务后,原先节点上的分片会迁移到其他节点上,...
2.http://node3:60030/rs-status The RegionServer is initializing! 在hbase-hadoop-master-node3.log中, 报异常是: 2016-10-12 09:45:04,616 DEBUG [main-EventThread] master.ActiveMasterManager: A master is now available 2016-10-12 09:59:10,484 WARN [master:node3:60000] retry.RetryInvocatio...
2.http://node3:60030/rs-status The RegionServer is initializing! 在hbase-hadoop-master-node3.log中, 报异常是: 2016-10-12 09:45:04,616 DEBUG [main-EventThread] master.ActiveMasterManager: A master is now available 2016-10-12 09:59:10,484 WARN [master:node3:60000] retry.RetryInvocatio...
网上关于master is initalizing的问题解决都没有相应的问题。于是针对这个问题,只能仔细去摸一下Region的内核。 特别是从http://hbasefly.com/2016/09/08/hbase-rit/这篇博客中看到了整个region的状态迁移原理。 整个unassign操作是一个比较复杂的过程,涉及HMaster、RegionServer和Zookeeper三个组件: ...
不同的Region分布到不同的RegionServer上。 Region由一个或者多个Store组成, 每个Store保存一个column family, 每个Store又由一个MemStore(存储在内存中)和0到多个StoreFile(存储在HDFS上)组成 列族column family 列族是每个子列的父级,每个子列都属于一个列族,一个列族包含一个或者多个相关列,创建表的时候需要...
| [HBASE-26609](https://issues.apache.org/jira/browse/HBASE-26609) | Round the size to MB or KB at the end of calculation in HRegionServer.createRegionLoad | Major | regionserver || [HBASE-26598](https://issues.apache.org/jira/browse/HBASE-26598) | Fix excessive connections in ...
| [HBASE-25553](https://issues.apache.org/jira/browse/HBASE-25553) | It is better for ReplicationTracker.getListOfRegionServers to return ServerName instead of String | Major | . | | [HBASE-25620](https://issues.apache.org/jira/browse/HBASE-25620) | Increase timeout value for pre co...
HBase异常 -- hbase list报错 ERROR: org.apache.hadoop.hbase.PleaseHoldException: Master is initializing 2019-12-04 16:10 − ## 解决方案 时间跟系统不一致 ntpdate 0.cn.pool.ntp.org //命令更新时间 是否启动regionserver 先启动regionserver,然后在启动Hmaster ``` ./hbase-daemon.sh start region...
base.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:3273)atorg.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:3250)atorg.apache.hadoop.hbase.regionserver.RSRpcServices.getRegion(RSRpcServices.java:1414)atorg.apache.hadoop.hbase.regionserver.RSRpcServices....