wiki:jazz/Hadoop_Update

紀錄一些 hadoop 叢集的修改

  • 改用 DRBL SSI 模式 (2010-10-19)
  • /etc/sysctl.conf (2010-10-19)
    # reboot while kernal panic
    kernel.panic = 6
    
  • /etc/rc.local (2010-11-14)
    # 避免記憶體 cache 用太凶
    echo 1 > /proc/sys/vm/drop_caches
    # 避免 java 程序跑太久的警告
    echo 0 > /proc/sys/kernel/hung_task_timeout_secs
    
Last modified 13 years ago Last modified on Dec 27, 2010, 2:24:29 PM

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