I have been getting this error for a long now when trying to install hadoop on ubuntu.. :~/hadoop$ bin/hdfs namenode -format Unrecognized option: - Error: Could not create the Java Virtual Machine. Error: A fatal exception has occurred. Program will…
I am installing apache hadoop 3.2.4, 4 nodes cluster with Java 8 on Ubuntu machines. 3 machines have 16GB RAM and 1 have 8GB RAM. All of them are 16GB CPU. I have done most of the configuration but having…
I have Ubuntu installed. I have already set all of these but I get error. export JAVA_HOME=/home/imran/.sdkman/candidates/java/current export HDFS_NAMENODE_USER="root" export HDFS_DATANODE_USER="root" export HDFS_SECONDARYNAMENODE_USER="root" export YARN_RESOURCEMANAGER_USER="root" export YARN_NODEMANAGER_USER="root" Error: imran@Imran:~/Downloads/Compressed/hadoop-3.3.5/sbin$ ./start-all.sh WARNING: Attempting to start all Apache Hadoop daemons as imran…
In our place, we use AWS services for all our data infrastructure and services needs. Our hive tables are external tables and the actual data files are stored in S3. We use Apache Spark for Data ingestion and transformation. We…
My goal is to read file from hdfs in airflow and do further manipulations. After researching, I found that url I need to use is as follows: df = pd.read_parquet('http://localhost:9870/webhdfs/v1/hadoop_files/sample_2022_01.parquet?op=OPEN'), where localhost/172.20.80.1/computer-name.mshome.net can be interchangeably used, 9870 - namenode port,…
i want to extend the airflow on docker with providers hdfs: https://airflow.apache.org/docs/docker-stack/build.html#examples-of-image-extending the Dockerfile looks like: FROM apache/airflow:2.2.4 ARG DEV_APT_DEPS=" curl gnupg2 apt-transport-https apt-utils build-essential ca-certificates gnupg dirmngr freetds-bin freetds-dev gosu krb5-user ldap-utils libffi-dev libkrb5-dev libldap2-dev libpq-dev libsasl2-2 libsasl2-dev libsasl2-modules…
I am trying to stream and retrieve Twitter data using Flume but unable to do so because of some sort of error. When I try executing it using the command: flume-ng agent -n TwitterAgent -c conf -f /home/hadoop/Flume/conf/twitter.conf I get…