Recent questions tagged cassandra

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nodetool: Failed to connect to '127.0.0.1:7199' - ConnectException: 'Connection refused (Connection refused)'.

Dec 4, 2020 in Others by Manjima
 • 120 points • 748 views
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How to insert data into Cassandra table using Spark DataFrame?

Sep 21, 2020 in Apache Spark by akhtar
 • 38,230 points • 3,450 views
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I want to read .csv file from S3 and load/write the same data to cassandra.

Sep 4, 2020 in AWS by Raj
 • 120 points • 4,421 views
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How to set pssword based authentication in cassandra?

Apr 1, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 444 views
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InvalidRequest: Error from server: code=2200 [Invalid query] message="Cannot execute this query as it might involve data filtering and thus may have unpredictable performance.

Apr 1, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 7,719 views
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How to create table in cassandra?

Apr 1, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 396 views
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ConfigurationException: replication_factor is an option for SimpleStrategy, not NetworkTopologyStrategy

Apr 1, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 895 views
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SyntaxException: line 1:67 no viable alternative at input ',' (... University with replication={'class':[SimpleStrategy],...)

Apr 1, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 6,437 views
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nodetool: Failed to connect to '127.0.0.1:7199' - ConnectException: 'Connection refused (Connection refused)'.

Apr 1, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 16,462 views
0 votes
1 answer

configure Cassendra in Linux system?

Apr 1, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 597 views
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1 answer

Cassandra: time out when using select * or copy command

Aug 1, 2019 in Big Data Hadoop by Tina
 • 1,186 views
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Unable to run Sqoop scirpt to copy data to Cassandra

Jul 23, 2019 in Big Data Hadoop by Tina
 • 997 views
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Differences between Cassandra and Hadoop, Real-time Processing v/s Batch Processing

Jun 18, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 693 views
+1 vote
1 answer

Error saying "Error in .jfindClass(as.character(driverClass)[1]) : class not found " in R

Dec 12, 2018 in Data Analytics by Ali
 • 11,360 points • 1,685 views
0 votes
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Data Modelling for IoT based application in Apache Cassandra

Dec 4, 2018 in IoT (Internet of Things) by Bharani
 • 4,660 points • 1,520 views
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How to choose between Cassandra, Membase, Hadoop, MongoDB and RDBMS?

Sep 18, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 644 views
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Secondary index in Cassandra

Aug 21, 2018 in Database by shams
 • 3,670 points • 760 views
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Management Tools in Cassandra

Aug 21, 2018 in Database by shams
 • 3,670 points • 848 views
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Tunable Consistencies in Cassandra

Aug 21, 2018 in Database by Ashish
 • 2,650 points • 733 views
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How do I update configuration of a Cassandra cluster ?

Jul 26, 2018 in DevOps Tools by Damon Salvatore
 • 5,980 points • 485 views
0 votes
2 answers

How do I integrate Kdb+ and hadoop?

Jul 12, 2018 in Big Data Hadoop by shubham
 • 7,340 points • 1,423 views
0 votes
2 answers

Durable Writes in Cassandra

Jul 2, 2018 in Database by Data_Nerd
 • 2,390 points • 6,869 views
0 votes
1 answer

Python Stress Test

Jun 29, 2018 in Database by shams
 • 3,670 points • 1,530 views
0 votes
1 answer

Logging Levels in Cassandra

Jun 28, 2018 in Database by Ashish
 • 2,650 points • 557 views
0 votes
1 answer

Database Repair Options in Cassandra

Jun 28, 2018 in Database by shams
 • 3,670 points • 1,922 views
0 votes
1 answer

Different partitoners in Cassandra

Jun 27, 2018 in Big Data Hadoop by shams
 • 3,670 points • 427 views
0 votes
1 answer

Gossip Protocol features.

Jun 26, 2018 in Big Data Hadoop by shams
 • 3,670 points • 418 views
0 votes
1 answer

cqlsh queries fial if tombstones are present

Jun 18, 2018 in DevOps Tools by shubham
 • 7,340 points • 511 views
0 votes
1 answer

Cassandra for datawarehouse

Apr 20, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,320 views
0 votes
1 answer

Hadoop on cassandra database

Mar 26, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 491 views

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