Resource scheduling in Yarn

Three Scheduling Strategies FIFO Scheduler, Capacity Scheduler and Fair Scheduler policies are listed from left to right. These three policies are introduced below FIFO Scheduler: first in, first out scheduling strategy Tasks are carried out in turn. Resources can only be released after the execution of previous tasks. This is unreasona ...

Posted by ConnorSBB on Sat, 08 Jan 2022 04:07:34 +0100

spring boot integrates spark and runs and submits spark task spark on yarn based on yarn

preface The previous project was based on springboot and integrated spark, running on standalone. I once wrote a blog, link: https://blog.csdn.net/qq_41587243/article/details/112918052?spm=1001.2014.3001.5501 The same scheme is used now, but spark is submitted on the production environment yarn cluster, and kerbores verification is required, ...

Posted by not_john on Mon, 03 Jan 2022 23:15:07 +0100

Yan web page port 8088 is not accessible in Windows browser

Problem description After configuring the Hadoop Namenode, secondarynode, and datanode nodes, configure mapred site in the hadoop /etc directory xml,yarn-site.xml file. After configuration, start resource manager and nodemanager. Among them, yen site The XML configuration is as follows: <property> <name>yarn.node ...

Posted by matbennett on Sun, 19 Dec 2021 13:56:35 +0100