This tutorial will helps you to remove unused / dead node from the cassandra cluster ring. Run the following command in console to list the cluster node ring formation. [code] nodetool -h <cluster-ip1> ring [/code] Results of the command it list details as like below: [code] Note: Ownership information does not include topology, please specify …
Category: Hadoop
Permanent link to this article: https://blog.openshell.in/2013/05/how-to-remove-dead-node-out-of-the-cassandra-cluster/
Mar 26
Hadoop Error: Shuffle Error: Exceeded MAX_FAILED_UNIQUE_FETCHES; bailing-out.
If we face the following error while running hadoop jobs http://<masternode ip>:50030/jobtracker.jsp Error: “Shuffle Error: Exceeded MAX_FAILED_UNIQUE_FETCHES; bailing-out.” Description: Respective box name <machine name> is not updated in all the cluster configuration files (hadoop and /etc/hosts) Steps to resolve: Step 1: Stop all the hadoop services in master node hduser: /usr/local/hadoop/bin/stop-all.sh Step 2: Edit the …
Permanent link to this article: https://blog.openshell.in/2013/03/hadoop-error-shuffle-error-exceeded-max_failed_unique_fetches-bailing-out/