hbase Region调优在hbase shell 中输入:balance_switch true
在滚动重启的时候 会有如下警告: The Load Balancer is not enabled which will eventually cause performance degrad
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yarn nodemanage 参数临时修改到100保证mapreduce shuffle阶段不会因为磁盘检测问题导致写入失败影响作业进度,cm默认配置为95%
报错如下:Directory /mnt/sdd1/yarn/nm error, used space above threshold of
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