YANG WEIWEI

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A deep dive into YARN CGroups

Cgroups is a Linux kernel feature that limits resource usage for various processes, and Apache YARN leverages this feature to provide CPU isolation for Hadoop...

How to use HDFS archival storage

The HDFS Archival Storage feature gives you the option to reduce cost by keeping rarely used data on less expensive but higher density storage. Unlike...

HDFS Trash

HDFS trash is just like the Recycle Bin in Windows operating systems. Its purpose is to prevent you from unintentionally deleting something. This article teaches...

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