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mike_bronson7
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ERROR datanode.DataNode + error processing WRITE_B...

by Guru in Support Questions
‎12-03-2018 05:16 PM
‎12-03-2018 05:16 PM
hi all, from the datanodes machines ( we have 8 datanodes machine in the ambari cluster ) we can see the following errors we check the DNS of the hostname's and the resolving of the IP's and they are ok any suggestion what else need to check here ? 2018-12-02 16:41:59,608 ERROR datanode.DataNode (DataXceiver.java:run(278)) - DATANODE01.sys54.com:50010:DataXceiver error processing WRITE_BLOCK operation src: /192.23.12.179:39418 dst: /192.23.12.179:50010 2018-12-02 16:41:59,609 ERROR datanode.DataNode (DataXceiver.java:run(278)) - DATANODE01.sys54.com:50010:DataXceiver error processing WRITE_BLOCK operation src: /192.23.12.179:39664 dst: /192.23.12.179:50010 2018-12-02 16:42:24,018 ERROR datanode.DataNode (DataXceiver.java:writeBlock(787)) - DataNode{data=FSDataset{dirpath='[/grid/sdb/hadoop/hdfs/data/current, /grid/sdc/hadoop/hdfs/data/current, /grid/sdd/hadoop/hdfs/data/current, /grid/sde/hadoop/hdfs/data/current, /grid/sdf/hadoop/hdfs/data/current]'}, localName='DATANODE01.sys54.com:50010', datanodeUuid='83024a74-8fa4-4cc4-ad09-82c5b065f8ad', xmitsInProgress=0}:Exception transfering block BP-1378391652-192.23.12.165-1531291408940:blk_1203178897_129440081 to mirror 192.23.12.181:50010: java.net.SocketTimeoutException: 65000 millis timeout while waiting for channel to be ready for read. ch : java.nio.channels.SocketChannel[connected local=/192.23.12.179:35834 remote=/192.23.12.181:50010] 2018-12-02 16:42:24,018 ERROR datanode.DataNode (DataXceiver.java:run(278)) - DATANODE01.sys54.com:50010:DataXceiver error processing WRITE_BLOCK operation src: /192.23.12.180:34342 dst: /192.23.12.179:50010 2018-12-02 16:42:30,637 ERROR datanode.DataNode (DataXceiver.java:run(278)) - DATANODE01.sys54.com:50010:DataXceiver error processing WRITE_BLOCK operation src: /192.23.12.179:38120 dst: /192.23.12.179:50010 ... View more

Re: REST API + how to verify the max value for eac...

by Guru in Support Questions
‎11-18-2018 11:27 PM
‎11-18-2018 11:27 PM
Jay another example . you can see that BAR ended on - 32 so can we create some API that will give this value ( 32 ) ? ... View more

Re: REST API + how to verify the max value for eac...

by Guru in Support Questions
‎11-18-2018 11:23 PM
‎11-18-2018 11:23 PM
@Jay as you know some parameters in ambari have scroll bar ( with max bar value ) , what we want is to know the MAX of the BAR by REST API ... View more

Re: REST API + how to verify the max value for eac...

by Guru in Support Questions
‎11-18-2018 11:22 PM
‎11-18-2018 11:22 PM
@Jay , first thank you , actually what we want is the value of the MAX BAR ( as displayed 15.508 ) , is it posible to get this value by REST API , ? ... View more

Re: REST API + how to get the number of CPU on eac...

by Guru in Support Questions
‎11-18-2018 11:06 PM
‎11-18-2018 11:06 PM
@Jay chould you please help me with the follwing thred - https://community.hortonworks.com/questions/226622/rest-api-how-to-verify-the-max-value-for-each-para.html ... View more

REST API + how to get the number of CPU on each da...

by Guru in Support Questions
‎11-18-2018 07:07 PM
‎11-18-2018 07:07 PM
hi all how to get the number of CPU on each data node by REST API? I also tried this but get error about: [root@master02 ~]# curl -u admin:admin -sS -G "https://master02:8080/api/v1/clusters/HDP/services/HDFS/components/DATANODE" curl: (35) SSL received a record that exceeded the maximum permissible length. ... View more
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REST API + how to verify the max value for each pa...

by Guru in Support Questions
‎11-18-2018 05:45 PM
‎11-18-2018 05:45 PM
hi all as all know each value in ambari have MAX value example lets take for example the - NameNode Java heap size in ambari we can see that max value is 15.5G while the current value is 9.75 we want to create REST API that will set the value to the max - 15.5G is it possible ? by API ? or other solution ? note - the value - 15.5G is unknown value , the target of the quastion is to set the MAX value , without to know the value ... View more
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Re: how to get by API ambari alarm on services

by Guru in Support Questions
‎11-05-2018 08:37 PM
‎11-05-2018 08:37 PM
@Jay thank you I will check this API on my cluster , meenhile can you please advice about my thred - https://community.hortonworks.com/questions/227204/avoid-kafka-disk-to-became-100-by-cron-job.html ... View more

how to get by API ambari alarm on services

by Guru in Support Questions
‎11-05-2018 06:44 PM
‎11-05-2018 06:44 PM
we have ambari cluster - version 2.6.1 is it posible to get by API all ambari alarms on the services by REST API? ... View more
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Re: Alerts for ZooKeeper Server

by Guru in Support Questions
‎10-23-2018 01:48 AM
‎10-23-2018 01:48 AM
[zk: localhost:2181(CONNECTING) 0] ls / Exception in thread "main" org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for / at org.apache.zookeeper.KeeperException.create(KeeperException.java:99) at org.apache.zookeeper.KeeperException.create(KeeperException.java:51) at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1472) at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1500) at org.apache.zookeeper.ZooKeeperMain.processZKCmd(ZooKeeperMain.java:723) at org.apache.zookeeper.ZooKeeperMain.processCmd(ZooKeeperMain.java:591) at org.apache.zookeeper.ZooKeeperMain.executeLine(ZooKeeperMain.java:363) at org.apache.zookeeper.ZooKeeperMain.run(ZooKeeperMain.java:323) at org.apache.zookeeper.ZooKeeperMain.main(ZooKeeperMain.java:282) You have mail in /var/spool/mail/root [root@master01 ~]# ... View more
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