Member since
09-15-2015
294
Posts
764
Kudos Received
81
Solutions
My Accepted Solutions
Title | Views | Posted |
---|---|---|
1412 | 07-27-2017 04:12 PM | |
3739 | 06-29-2017 10:50 PM | |
1814 | 06-21-2017 06:29 PM | |
1984 | 06-20-2017 06:22 PM | |
1762 | 06-16-2017 06:46 PM |
12-20-2017
10:51 PM
1 Kudo
Today the HDFS balancer doesn't balance disks within a DataNode This is a pretty known and talked about issue with HDFS balancer. See apache jira - https://issues.apache.org/jira/browse/HDFS-1312 The apache documentation is - https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/HDFSDiskbalancer.html This tracks and resolve this issue.
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07-27-2017
04:12 PM
5 Kudos
@ashutosh bajpai-Sorry to hear that your experience was not good. I would recommend for answers specific to your particular exam, please send email to certification@hortonworks.com
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06-29-2017
10:50 PM
12 Kudos
@Saurab Dahal - As in the other answers the change in hdfs-site.xml will only affect the newly created files with the new replication factor. If you want to change replication factor for already existing files. You can run the hdfs cli commands like below: hdfs dfs -setrep -w 1 /myfile
hdfs dfs -setrep -w 1 /mydir
Hope this helps !
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06-21-2017
08:32 PM
1 Kudo
Yes, that is correct
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06-21-2017
06:29 PM
9 Kudos
You can simply run hdfs cli commands to delete objects on S3 hdfs dfs -rm -r -f -skipTrash s3a://S3_BUCKET_NAME/S3_PATH This however will only works if you have specified S3 properties (fs.s3a.access.key, fs.s3a.secret.key) in core-site.xml
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06-21-2017
06:15 PM
2 Kudos
Ping @Arpit Agarwal
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06-20-2017
06:45 PM
2 Kudos
Ping @Kshitij Badani
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06-20-2017
06:22 PM
6 Kudos
@Kareem Amin - Sorry to hear that your experience was not good. There are few below threads related to your experience: https://community.hortonworks.com/questions/33690/hdpcd-exam-network-issues.html#answer-33724 https://community.hortonworks.com/questions/82013/hdpcd-spark-when-can-i-expect-result.html#answer-82024 Also, for answers specific to your particular exam, please send email to certification@hortonworks.com
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06-20-2017
04:59 AM
8 Kudos
The below post also talks about similar issue: https://community.hortonworks.com/questions/75377/zeppelin-livy-interpreter-not-working-with-kerbero.html Please see if this helps.
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06-16-2017
06:46 PM
3 Kudos
@mayki wogno - I think you accidentally posted the same question twice: https://community.hortonworks.com/questions/107715/nifi-130-getftp-read-timed-out.htm
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