Member since
10-24-2015
207
Posts
18
Kudos Received
4
Solutions
My Accepted Solutions
Title | Views | Posted |
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4444 | 03-04-2018 08:18 PM | |
4333 | 09-19-2017 04:01 PM | |
1809 | 01-28-2017 10:31 PM | |
977 | 12-08-2016 03:04 PM |
10-20-2017
06:13 PM
Hi, I have tables in hive. some are text format, some are orc... what are the best compression methods to compress the text file so that i can still query on the table?
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Apache Hive
09-20-2017
02:59 PM
@raouia Check the number of data disks you are using in Ambari (under HDFS configs look for dfs.datanode.data.dir) or if you havent installed yet, do a "df -h" on the node to count number of data disks - usually looks like data01, data02 ..
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09-19-2017
04:01 PM
@Geoffrey Shelton Okot Its resolved. I just recomissioned the datanode and started it and then decomissioned again.... now the node is completely decomissioned. Thank you for your time.
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09-19-2017
03:40 PM
@Geoffrey Shelton Okot I cannot restart ambari-server right away. But i was thinking this is not the issue with ambari, even at hadoop level it is showing decomission is in progress, like when i do hdfs dfsadmin -report Decommission Status : Decommission in progress
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09-19-2017
03:22 PM
@Geoffrey Shelton Okot Thanks for the reply. I stopped ambari-agent and waited almost 15-20 min but still it says decomissioning on the hdfs dashboard summary.
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09-19-2017
01:54 PM
Hi all, I tried to decomission a datanode because of some hardware failures but during decommission process the host rebooted by itself, so now when i click Hosts(ambari) and see the status, the datanode is decomissioned but when i see HDFS dashboard it shows 1 dead and 1 decomissioning.. how can i change this status and how to confirm the node is decomissioned correctly? Do i need to restart namenode? Thanks.
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Apache Ambari
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HDFS
09-18-2017
03:34 PM
i stil dint find logs for start and stopping nodemanager but my nodemanager is running now after i restarted yarn components.
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09-18-2017
03:21 PM
Hi, one of my nodemanager shuts down because my /var directory was full. I cleared it and restarted it but it is still shutting down. I dont seem to find anywhere why my nodemanager is shutting down soon after restart... i went to the node that has issue at /var/log/hadoop-yarn/yarnyarn-yarn-nodemanager-xxxx.log but nothing seems to be there. Where can i look for the logs?
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Apache Hadoop
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Apache YARN
09-12-2017
03:24 PM
@gsharma can you please advise on this issue I am having: https://community.hortonworks.com/questions/136870/balancer-no-block-has-been-moved-for-5-iterations.html
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08-23-2017
09:56 PM
@Timothy Spann Thank you so much for your reply. I followed your suggestion and installed on my desktop VM. I started the runserver too and i see this: superset runserver
Starting server with command:
gunicorn -w 2 --timeout 60 -b 0.0.0.0:8088 --limit-request-line 0 --limit-request-field_size 0 superset:app
[2017-08-23 14:47:08 +0000] [50614] [INFO] Starting gunicorn 19.7.1
[2017-08-23 14:47:08 +0000] [50614] [INFO] Listening at: http://0.0.0.0:8088 (50614)
[2017-08-23 14:47:08 +0000] [50614] [INFO] Using worker: sync
[2017-08-23 14:47:08 +0000] [50619] [INFO] Booting worker with pid: 50619
[2017-08-23 14:47:08 +0000] [50621] [INFO] Booting worker with pid: 50621 Nothing happens or shows up after the above, i then go to my chrome and type in the vm ip with 8088 port but it says the page cannot be displayed .. httpd is running too..
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