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Tag
Hadoop
Recent questions tagged hadoop
0
votes
0
answers
What are the pros and cons of parquet format compared to other formats?
Dec 21, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
134
views
hadoop
big-data
parquet
0
votes
0
answers
What is the difference between partitioning and bucketing a table in Hive ?
Dec 20, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
127
views
hadoop
big-data
hive
0
votes
1
answer
What is the purpose of shuffling and sorting phase in the reducer in Map Reduce?
Dec 20, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
233
views
hadoop
big-data
mapreduce
+1
vote
1
answer
ssh: connect to host localhost port 22: Connection refused in Hadoop.
Dec 18, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
588
views
hadoop
big-data
hadoop-admin
0
votes
1
answer
How to show all partitions of a table in Hive?
Dec 18, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
95
views
big-data
apache-hive
hadoop
hive-table
0
votes
2
answers
How to delete and update a record in Hive?
Dec 8, 2020
in
Big Data Hadoop
by
Rajiv
•
8,880
points
•
84
views
big-data
apache-hive
hadoop
hadoop-admin
0
votes
1
answer
Is there any way to get the column name along with the output while execute any query in Hive?
Dec 8, 2020
in
Big Data Hadoop
by
Rajiv
•
8,880
points
•
76
views
big-data
hadoop
hive
0
votes
1
answer
Where does hive stores its table?
Dec 7, 2020
in
Big Data Hadoop
by
Rajiv
•
8,880
points
•
70
views
hadoop
big-data
hdfs
bigdata
hdfs-commands
0
votes
1
answer
How input splits are done when 2 blocks are spread across different nodes?
Dec 7, 2020
in
Big Data Hadoop
by
Rajiv
•
8,880
points
•
44
views
hadoop
big-data
bigdata
mapreduce
0
votes
1
answer
How do I split a string on a delimiter in Bash?
Dec 7, 2020
in
Big Data Hadoop
by
Roshni
•
10,420
points
•
59
views
big-data
hadoop
0
votes
1
answer
How does Hadoop process records split across block boundaries?
Dec 7, 2020
in
Big Data Hadoop
by
Roshni
•
10,420
points
•
44
views
hadoop
big-data
mapreduce
0
votes
1
answer
Name node is in safe mode. Not able to leave
Dec 7, 2020
in
Big Data Hadoop
by
Roshni
•
10,420
points
•
88
views
hadoop
big-data
bigdata
0
votes
1
answer
If i enable zookeeper secrete manager getting java file not found
Nov 21, 2020
in
Big Data Hadoop
by
Shilpa S
•
450
points
•
66
views
hadoop
big-data
hadoop-daemons
ranger
devops
0
votes
2
answers
How do I output the results of a HiveQL query to CSV?
Nov 20, 2020
in
Big Data Hadoop
by
anonymous
•
8,880
points
•
83
views
apache-hive
hadoop
big-data
hive
hiveql
0
votes
2
answers
How to know Hive and Hadoop versions from command prompt?
Nov 20, 2020
in
Big Data Hadoop
by
Rajiv
•
8,880
points
•
96
views
hadoop
big-data
hive
apache-hive
0
votes
1
answer
How to set variables in HIVE scripts
Nov 20, 2020
in
Big Data Hadoop
by
anonymous
•
10,420
points
•
148
views
hadoop
big-data
hive
apache-hive
+1
vote
1
answer
When to use Hadoop, HBase, Hive and Pig?
Nov 20, 2020
in
Big Data Hadoop
by
anonymous
•
10,420
points
•
104
views
hadoop
big-data
hive
bigdata
sqoop
spark
0
votes
1
answer
Difference between Pig and Hive? Why have both? [closed]
Nov 20, 2020
in
Big Data Hadoop
by
Roshni
•
10,420
points
•
55
views
hadoop
big-data
hive
bigdata
sqoop
0
votes
1
answer
How to start working with scala?
Nov 16, 2020
in
Big Data Hadoop
by
anonymous
•
10,420
points
•
38
views
apache-scala
scala
big-data
hadoop
0
votes
1
answer
Moving historyserver to another instance using curl command
Nov 9, 2020
in
Big Data Hadoop
by
Shilpa S
•
450
points
•
84
views
hadoop
big-data
mapreduce-java
mapreduce
0
votes
1
answer
Zookeeper server going down frequently.
Nov 9, 2020
in
Big Data Hadoop
by
B
•
210
points
•
101
views
big-data
zookeeper
hadoop
0
votes
1
answer
HDP Upgrade Issue in 2.6.5.
Nov 7, 2020
in
Big Data Hadoop
by
B
•
210
points
•
66
views
hdb
apache-hbase
hadoop
big-data
bigdata
0
votes
1
answer
Validating HA for ranger KMS
Nov 6, 2020
in
Big Data Hadoop
by
Shilpa S
•
450
points
•
75
views
hadoop-daemons
hadoop-admin
kerbose
hadoop
big-data
ranger-kms
0
votes
1
answer
Map reduce history moving instance using curl .
Nov 6, 2020
in
Big Data Hadoop
by
Shilpa S
•
450
points
•
65
views
mapreduce
hadoop
big-data
job-history-server
+1
vote
1
answer
Not able to create kms key using ambari.
Nov 4, 2020
in
Big Data Hadoop
by
Shilpa S
•
450
points
•
102
views
hadoop-daemons
hadoop
big-data
devops
0
votes
1
answer
Ranger Kms having multiple instance enabled.
Oct 22, 2020
in
Big Data Hadoop
by
Shilpa S
•
450
points
•
114
views
hadoop
big-data
kerbose
ambari
0
votes
1
answer
How to display the Access Control Lists (ACLs) of files and directories in HDFS?
Oct 19, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
90
views
hadoop
big-data
hadoop-admin
hadoop-daemons
0
votes
1
answer
Copy a directory from one node in the cluster to another in HDFS.
Oct 19, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
236
views
hadoop
big-data
hadoop-admin
hadoop-daemons
+1
vote
1
answer
How to copy file from Local file system to HDFS?
Oct 19, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
206
views
hadoop
big-data
hdfs
bigdata
developer
0
votes
1
answer
Drop an index from a Hive table.
Oct 19, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
144
views
hive
hadoop
big-data
apache-hive
0
votes
1
answer
How to create an index on Hive table?
Oct 19, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
117
views
hive
hadoop
big-data
apache-hive
0
votes
1
answer
Drop a table in Hive.
Oct 18, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
54
views
hive
apache-hive
hadoop
big-data
0
votes
1
answer
How to add a column in Hive table?
Oct 18, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
160
views
hive
hive-metastore
apache-hive
hadoop
big-data
0
votes
1
answer
How to rename the Hive table?
Oct 18, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
62
views
hive
hadoop
big-data
apache-hive
0
votes
1
answer
Ranger kms is not coming up
Oct 18, 2020
in
Big Data Hadoop
by
Shilpa S
•
450
points
•
151
views
kerbose
hadoop-daemons
hadoop
big-data
0
votes
1
answer
How to write a HDF file from a DataFrame?
Oct 17, 2020
in
Python
by
akhtar
•
38,170
points
•
48
views
hdfs
hadoop
big-data
hdfs-commands
pandas
0
votes
1
answer
How to write Reducer code for Hadoop?
Oct 16, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
61
views
hadoop
big-data
hadoop-admin
reducer
0
votes
1
answer
How to write mapper code for Hadoop in Python?
Oct 16, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
67
views
hadoop
big-data
mapper
hadoop-admin
0
votes
1
answer
How to find the status of MapReduce Job?
Oct 16, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
50
views
hadoop
big-data
mapreduce
hadoop-admin
0
votes
1
answer
Create hive table with location.
Oct 15, 2020
in
Big Data Hadoop
by
MD
•
95,060
points
•
40
views
hadoop
big-data
apache-hive
hadoop-admin
0
votes
1
answer
How to create hive table without location?
Oct 15, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
46
views
hadoop
big-data
hadoop-admin
apache-hive
0
votes
1
answer
Error: Could not create the Java Virtual Machine in Hadoop.
Oct 15, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
223
views
hadoop
big-data
hadoop-admin
hadoop-daemons
0
votes
1
answer
How to update the existing record in HDFS?
Oct 15, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
139
views
hadoop
big-data
hadoop-admin
hadoop-daemons
0
votes
1
answer
IOException: All datanodes are bad.
Oct 15, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
77
views
hadoop
big-data
hadoop-daemons
hadoop-admin
0
votes
1
answer
ERROR: Cannot set priority of datanode process
Oct 15, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
915
views
hadoop
big-data
hadoop-daemons
hadoop-admin
0
votes
1
answer
Checksum verification in Hadoop.
Oct 15, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
146
views
big-data
hadoop
hadoop-admin
0
votes
1
answer
How to start Hadoop daemons?
Oct 15, 2020
in
Big Data Hadoop
by
MD
•
95,060
points
•
52
views
hadoop
big-data
hadoop-daemons
0
votes
1
answer
Enable HA for ranger KMS.
Oct 14, 2020
in
Big Data Hadoop
by
anonymous
•
450
points
•
63
views
big-data
hadoop-daemons
hadoop
kerbose
0
votes
1
answer
HA ranger KMS ,
Oct 14, 2020
in
Big Data Hadoop
by
Shilpa S
•
450
points
•
64
views
hadoop
big-data
hadoop-daemons
0
votes
1
answer
How to store datasets from Pig to HDFS?
Oct 14, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
81
views
hadoop
big-data
hadoop-admin
apache-pig
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