为了验证存在不同的hdfs之间的hive的互操作(归根结底还是为了解决BUG)
需要在两个不同的hadoop集群的HDFS 能够在Hiveserver2上进行路由转发绕过一些坑。
就需要将某hdfs集群的配置文件改改。。
例如hdfs-site.xml
EG:
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!--
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you may not use this file except in compliance with the License.
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distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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limitations under the License. See accompanying LICENSE file.
-->
<!-- Put site-specific property overrides in this file. -->
<configuration>
<property>
<name>dfs.nameservices</name>
<value>sfbd,sfbdp1,oldsfbdp1,oldsfbd</value> <!--namespace用逗号隔开。。下面是每个namespace的参数,一定要dfs.client.failover.proxy.provider.sfbd不能少,,否则解析不到。-->
</property>
<!-- sfbd -->
<property>
<name>dfs.ha.namenodes.sfbd</name>
<value>nn1,nn2</value>
</property>
<property>
<name>dfs.namenode.rpc-address.sfbd.nn1</name>
<value>CNSZ17PL1782:8020</value>
</property>
<property>
<name>dfs.namenode.rpc-address.sfbd.nn2</name>
<value>CNSZ17PL1783:8020</value>
</property>
<property>
<name>dfs.namenode.http-address.sfbd.nn1</name>
<value>CNSZ17PL1782:50070</value>
</property>
<property>
<name>dfs.namenode.http-address.sfbd.nn2</name>
<value>CNSZ17PL1783:50070</value>
</property>
<property>
<name>dfs.client.failover.proxy.provider.sfbd</name>
<value>org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider</value>
</property>
<property>
<name>dfs.namenode.shared.edits.dir.sfbd</name>
<value>qjournal://CNSZ17PL1786:8485;CNSZ17PL1787:8485;CNSZ17PL1788:8485;CNSZ17PL1789:8485;CNSZ17PL1790:8485/sfbd</value>
</property>
<!-- sfbdp1 -->
<property>
<name>dfs.ha.namenodes.sfbdp1</name>
<value>nn1,nn2</value>
</property>
<property>
<name>dfs.namenode.rpc-address.sfbdp1.nn1</name>
<value>CNSZ17PL1784:8020</value>
</property>
<property>
<name>dfs.namenode.rpc-address.sfbdp1.nn2</name>
<value>CNSZ17PL1785:8020</value>
</property>
<property>
<name>dfs.namenode.http-address.sfbdp1.nn1</name>
<value>CNSZ17PL1784:50070</value>
</property>
<property>
<name>dfs.namenode.http-address.sfbdp1.nn2</name>
<value>CNSZ17PL1785:50070</value>
</property>
<property>
<name>dfs.client.failover.proxy.provider.sfbdp1</name>
<value>org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider</value>
</property>
<property>
<name>dfs.namenode.shared.edits.dir.sfbdp1</name>
<value>qjournal://CNSZ17PL1786:8485;CNSZ17PL1787:8485;CNSZ17PL1788:8485;CNSZ17PL1789:8485;CNSZ17PL1790:8485/sfbdp1</value>
</property>
<!-- Two nameservices config end -->
<!-- old sfbdp1 start -->
<property>
<name>dfs.client.failover.proxy.provider.oldsfbdp1</name>
<value>org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider</value>
</property>
<property>
<name>dfs.ha.namenodes.oldsfbdp1</name>
<value>namenode313,namenode411</value>
</property>
<property>
<name>dfs.namenode.rpc-address.oldsfbdp1.namenode313</name>
<value>cnsz17pl1206:8020</value>
</property>
<property>
<name>dfs.namenode.http-address.oldsfbdp1.namenode313</name>
<value>cnsz17pl1206:50070</value>
</property>
<property>
<name>dfs.namenode.rpc-address.oldsfbdp1.namenode411</name>
<value>cnsz17pl1207:8020</value>
</property>
<property>
<name>dfs.namenode.http-address.oldsfbdp1.namenode411</name>
<value>cnsz17pl1207:50070</value>
</property>
<!-- old sfbdp1 end -->
<!-- old sfbd start -->
<property>
<name>dfs.ha.namenodes.oldsfbd</name>
<value>nn1,nn2</value>
</property>
<!--NameNode1 的地址-->
<property>
<name>dfs.namenode.rpc-address.oldsfbd.nn1</name>
<value>cnsz23pl0090:8020</value>
</property>
<!--NameNode2 的地址-->
<property>
<name>dfs.namenode.rpc-address.oldsfbd.nn2</name>
<value>cnsz23pl0091:8020</value>
</property>
<property>
<name>dfs.namenode.http-address.oldsfbd.nn1</name>
<value>cnsz23pl0090:50070</value>
</property>
<property>
<name>dfs.namenode.http-address.oldsfbd.nn2</name>
<value>cnsz23pl0091:50070</value>
</property>
<property>
<name>dfs.client.failover.proxy.provider.oldsfbd</name>
<value>org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider</value>
</property>
<!-- old sfbd end -->
<property>
<name>dfs.namenode.name.dir</name>
<value>file:///data/dfs/nn/local</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>/HDATA/12/dfs/local,/HDATA/11/dfs/local,/HDATA/10/dfs/local,/HDATA/9/dfs/local,/HDATA/8/dfs/local,/HDATA/7/dfs/local,/HDATA/6/dfs/local,/HDATA/5/dfs/local,/HDATA/4/dfs/local,/HDATA/3/dfs/local,/HDATA/2/dfs/local,/HDATA/1/dfs/local</value>
</property>
<property>
<name>dfs.journalnode.edits.dir</name>
<value>/data/dfs/jn</value>
</property>
<property>
<name>dfs.qjournal.start-segment.timeout.ms</name>
<value>60000</value>
</property>
<property>
<name>dfs.qjournal.prepare-recovery.timeout.ms</name>
<value>240000</value>
</property>
<property>
<name>dfs.qjournal.accept-recovery.timeout.ms</name>
<value>240000</value>
</property>
<property>
<name>dfs.qjournal.finalize-segment.timeout.ms</name>
<value>240000</value>
</property>
<property>
<name>dfs.qjournal.select-input-streams.timeout.ms</name>
<value>60000</value>
</property>
<property>
<name>dfs.qjournal.get-journal-state.timeout.ms</name>
<value>240000</value>
</property>
<property>
<name>dfs.qjournal.new-epoch.timeout.ms</name>
<value>240000</value>
</property>
<property>
<name>dfs.qjournal.write-txns.timeout.ms</name>
<value>60000</value>
</property>
<property>
<name>dfs.namenode.acls.enabled</name>
<value>true</value>
<description>Number of replication for each chunk.</description>
</property>
<!--需要根据实际配置进行修改-->
<property>
<name>dfs.ha.fencing.methods</name>
<value>sshfence</value>
</property>
<property>
<name>dfs.ha.fencing.ssh.private-key-files</name>
<value>/home/hdfs/.ssh/id_rsa</value>
</property>
<property>
<name>dfs.ha.automatic-failover.enabled</name>
<value>true</value>
</property>
<property>
<name>dfs.permissions.superusergroup</name>
<value>hadoop</value>
</property>
<property>
<name>dfs.datanode.max.transfer.threads</name>
<value>8192</value>
</property>
<property>
<name>dfs.hosts.exclude</name>
<value>/app/hadoop-conf/exclude.list</value>
<description> List of nodes to decommission </description>
</property>
<property>
<name>dfs.datanode.fsdataset.volume.choosing.policy</name>
<value>org.apache.hadoop.hdfs.server.datanode.fsdataset.AvailableSpaceVolumeChoosingPolicy</value>
</property>
<property>
<name>dfs.datanode.available-space-volume-choosing-policy.balanced-space-threshold</name>
<value>10737418240</value>
</property>
<property>
<name>dfs.datanode.available-space-volume-choosing-policy.balanced-space-preference-fraction</name>
<value>0.75</value>
</property>
<property>
<name>dfs.client.read.shortcircuit.streams.cache.size</name>
<value>1000</value>
</property>
<property>
<name>dfs.client.read.shortcircuit.streams.cache.expiry.ms</name>
<value>10000</value>
</property>
<property>
<name>dfs.client.read.shortcircuit</name>
<value>true</value>
</property>
<property>
<name>dfs.domain.socket.path</name>
<value>/app/var/run/hadoop-hdfs/dn._PORT</value>
</property>
<property>
<name>dfs.client.read.shortcircuit.skip.checksum</name>
<value>false</value>
</property>
<property>
<name>dfs.block.size</name>
<value>134217728</value>
</property>
<property>
<name>dfs.replication</name>
<value>3</value>
</property>
<property>
<name>dfs.namenode.handler.count</name>
<value>300</value>
</property>
<property>
<name>dfs.datanode.handler.count</name>
<value>40</value>
</property>
<property>
<name>dfs.webhdfs.enabled</name>
<value>true</value>
</property>
<property>
<name>dfs.namenode.datanode.registration.ip-hostname-check</name>
<value>false</value>
</property>
</configuration>