Cloudera

Cloudera Scripts & Utils

Cloudera Data Flow

We have one script in the install folder called setup_cdf.sh with a configuration file called setup_cdf.cfg.

Configuration file

We need to setup a configuration file, the following is a sample we we need to define variables that will define the installation of the CDF cluster with all the necessary parcels.

CLOUDERA_REPO=<PAYWALL_URL>/cloudera-manager.repo

NIFI_CSD_JAR=<PAYWALL_URL>/NIFI-1.9.0.1.0.1.0-12.jar
NIFI_CA_CSD_JAR=<PAYWALL_URL>/NIFICA-1.9.0.1.0.1.0-12.jar
NIFI_REGISTRY_CSD_JAR=<PAYWALL_URL>/NIFIREGISTRY-0.3.0.1.0.1.0-12.jar
SMM_CSD_JAR=<PAYWALL_URL>/STREAMS_MESSAGING_MANAGER-2.1.0.jar
SRM_CSD_JAR=<PAYWALL_URL>/STREAMS_REPLICATION_MANAGER-1.0.0.jar
FLINK_CSD_JAR=<PAYWALL_URL>/FLINK-1.9.0-csa0.1.1-cdh6.3.0-1420238.jar

CFM_PARCEL=<PAYWALL_URL>/1.0.1.0/CFM-1.0.1.0-el7.parcel
CFM_PARCEL_SHA=<PAYWALL_URL>/1.0.1.0/CFM-1.0.1.0-el7.parcel.sha
SMM_PARCEL=<PAYWALL_URL>/STREAMS_MESSAGING_MANAGER-2.1.0.2.0.0.0-135-el7.parcel
SMM_PARCEL_SHA=<PAYWALL_URL>/STREAMS_MESSAGING_MANAGER-2.1.0.2.0.0.0-135-el7.parcel.sha
SRM_PARCEL=<PAYWALL_URL>/STREAMS_REPLICATION_MANAGER-1.0.0.2.0.0.0-135-el7.parcel
SRM_PARCEL_SHA=<PAYWALL_URL>/STREAMS_REPLICATION_MANAGER-1.0.0.2.0.0.0-135-el7.parcel.sha
FLINK_PARCEL=<PAYWALL_URL>/FLINK-1.9.0-csa0.1.1-cdh6.3.0-1512347-el7.parcel
FLINK_PARCEL_SHA=<PAYWALL_URL>/FLINK-1.9.0-csa0.1.1-cdh6.3.0-1512347-el7.parcel.sha

Troubleshooting

Swappiness alerts

You need to set the vm.swappiness in all nodes to 1. However, if the alarm persists, you can additionally change other parameters for the vm based on the reference article. Usually works fine.

sudo sysctl -w vm.min_free_kbytes=5242880
sudo sysctl -w vm.vfs_cache_pressure=50
sudo sysctl vm.swappiness=1

• http://datavelo.com/en/2018/04/10/kernel-swapping-vm-swappiness-1/