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  • Setup Multi Hbase master on Hadoop Cluster

    Hbase

            Setup Multi Hbase master on Hadoop Cluster to avoid single point failure. When active master failed/down for some reason exceed timeout we expected, backup master will be active and take over the role of master, see the value of zookeeper.session.timeout.

    $cat /usr/lib/hbase/conf/hbase-site.xml
    <name>zookeeper.session.timeout</name>
    <value>180000</value>
    <description>ZooKeeper session timeout. HBase passes this to the zk quorum as suggested maximum time for a session.In milliseconds.</description>
    </property>

    • Test scenarios:

    hadoop01.cluster.2hei.net (Hbase master)
    hadoop02.cluster.2hei.net (Hbase backup master)

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    作者:2hei | 分类:hbase | 阅读:3,358 views | 标签:,
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  • hbase Daughter regiondir does not exist

    Hbase master logs: 12/05/14 13:33:44 INFO master.LoadBalancer: Skipping load balancing.  servers=10 regions=261 average=26.1 mostloaded=27 leastloaded=26 12/05/14 13:33:44 WARN master.CatalogJanitor: Daughter regiondir does not exist: hdfs://2hei.net:8020/hbase/RecSys_Catalog/7d100af9ac714d ...

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