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Hadoop Datanode Decommission tuning process

Hadoop Datanode Decommission Tuning Process

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Before start the decommission of hadoop datanode we better to recheck some key points to avoid issues in middle of decommission.Here i am sharing hadoop datanode decommission tuning process steps based on...
Hadoo Datanode Decommission Common Issues

Hadoop Datanode Decommission Common Issues

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When we are start doing the datanode service decommission process the best choice is to go with 1 or 2 servers depends on your no. of servers and rack configuration. Here i...
How-to-Create-Delete-Update-Format-Disk-Partitioning-in-Linux

How to Create/Delete/Update/Format Disk Partitioning in Linux

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Partitioning is very important task and regular task for the Linux / Hadoop admins. Usually when we start doing the build activity when come to work with disks first tasks is to...
Luks-setup-in-linux.png

Luks Encryption Setup in Linux

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LUKS (Linux Unified Key Setup). It is a disk encryption specification created by Clemens Fruhwirth in 2004. It operates on Linux and is based on an enhanced version of cryptsetup.1. LUKS is...
Hadoop-hdfs-mapreduce-Smoketest

Hadoop Smoke Test Script For Hortonworks

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As a admin we will do lot of daily activities on our hadoop clusters. Some of them are minor/configuration changes and some are major changes like Patching / Upgrades. For the minor...

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