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Tag
Big-data
Recent questions tagged big-data
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
•
158
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
•
135
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
•
265
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
•
650
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
•
109
views
big-data
apache-hive
hadoop
hive-table
0
votes
1
answer
Code for converting multiple .xml files to .json file format
Dec 18, 2020
in
Talend
by
Aaron
•
160
points
•
123
views
xml
json
big-data
0
votes
1
answer
How to use HDFStore to hold large datasets?
Dec 17, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
56
views
big-data
hdfstore
0
votes
0
answers
How to export all collections in MongoDB?
Dec 17, 2020
in
Big Data Hadoop
by
akhtar
•
38,170
points
•
34
views
big-data
mongodb
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
•
90
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
•
79
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
•
73
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
•
46
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
•
63
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
•
45
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
•
93
views
hadoop
big-data
bigdata
0
votes
1
answer
How to list all Kafka topics?
Dec 7, 2020
in
Apache Kafka
by
akhtar
•
38,170
points
•
369
views
kafka
kafka-topic
big-data
0
votes
1
answer
What is a broker in Kafka Cluster?
Dec 7, 2020
in
Apache Kafka
by
akhtar
•
38,170
points
•
44
views
kafka
kafka-broker
big-data
0
votes
1
answer
What is a producer in Kafka Cluster?
Dec 7, 2020
in
Apache Kafka
by
akhtar
•
38,170
points
•
35
views
kafka
kafka-producer
big-data
0
votes
1
answer
How to create a Kafka producer?
Dec 7, 2020
in
Apache Kafka
by
MD
•
95,060
points
•
38
views
kafka
kafka-producer
big-data
0
votes
1
answer
How to create a Kafka topic in a broker?
Dec 7, 2020
in
Apache Kafka
by
akhtar
•
38,170
points
•
72
views
kafka
kafka-topic
big-data
0
votes
1
answer
How to start Kafka server?
Dec 7, 2020
in
Apache Kafka
by
akhtar
•
38,170
points
•
72
views
kafka
kafka-server
big-data
0
votes
1
answer
How to start Zookeeper service?
Dec 7, 2020
in
Apache Kafka
by
akhtar
•
38,170
points
•
66
views
kafka
zookeeper
big-data
0
votes
1
answer
I am getting this log4j:ERROR setFile(null,true) call failed. java.io.FileNotFoundException: /ozone.log (Read-only file system)
Dec 4, 2020
in
Big Data Hadoop
by
Raj
•
120
points
•
356
views
bigdata
big-data
0
votes
1
answer
Spark Core How to fetch max n rows of an RDD function without using Rdd.max()
Dec 3, 2020
in
Apache Spark
by
Prashant
•
120
points
•
133
views
apache-spark
big-data
spark
0
votes
1
answer
In AWS, if user wants to run spark, then on top of which one of the following can the user do it?
Nov 25, 2020
in
Apache Spark
by
ritu
•
980
points
•
87
views
aws
devops-tools
devops
amazon-emr
aws-analytics
amazon-web-services
apache-spark
big-data
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
•
70
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
•
89
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
•
104
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
•
163
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
•
114
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
•
56
views
hadoop
big-data
hive
bigdata
sqoop
0
votes
1
answer
error: value update is not a member of scala.collection.immutable.Map[String, Int]
Nov 17, 2020
in
Big Data Hadoop
by
anonymous
•
8,880
points
•
225
views
apache-scala
big-data
apache-spark
spark-partition
0
votes
1
answer
How to start working with scala?
Nov 16, 2020
in
Big Data Hadoop
by
anonymous
•
10,420
points
•
40
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
•
87
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
•
103
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
•
68
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
•
77
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
•
69
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
•
103
views
hadoop-daemons
hadoop
big-data
devops
0
votes
1
answer
How to read Avro Partition Data?
Nov 4, 2020
in
Apache Spark
by
akhtar
•
38,170
points
•
144
views
big-data
apache-spark
spark-avro
+1
vote
1
answer
How to write Spark DataFrame to Avro Data File?
Nov 4, 2020
in
Apache Spark
by
akhtar
•
38,170
points
•
326
views
big-data
apache-spark
spark-dataframe
spark-sql
0
votes
1
answer
How to read a dataframe based on an avro schema?
Oct 29, 2020
in
Apache Spark
by
anonymous
•
120
points
•
432
views
apache-spark
big-data
spark-dataframe
spark-sql
pyspark
0
votes
1
answer
Ranger Kms having multiple instance enabled.
Oct 22, 2020
in
Big Data Hadoop
by
Shilpa S
•
450
points
•
116
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
•
92
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
•
255
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
•
215
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
•
145
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
•
121
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
•
55
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
•
166
views
hive
hive-metastore
apache-hive
hadoop
big-data
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