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xterat/Run-Crail-on-Ubuntu-16.04.md

Last active February 5, 2018 02:47
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  1. xterat revised this gist Feb 5, 2018. 1 changed file with 1 addition and 3 deletions.
    4 changes: 1 addition & 3 deletions Run-Crail-on-Ubuntu-16.04.md
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    1. Set HugePages_Total by:

    ```bash
    sudo su
    echo 81920 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
    exit
    sudo bash -c "echo 81920 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages"
    ```

    Verify it by `cat /proc/meminfo`.
  2. xterat created this gist Jan 25, 2018.
    35 changes: 35 additions & 0 deletions Run-Crail-on-Ubuntu-16.04.md
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    # Run crail on Ubuntu 16.04

    1. Set HugePages_Total by:

    ```bash
    sudo su
    echo 81920 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
    exit
    ```

    Verify it by `cat /proc/meminfo`.

    2. Mount hugetlbfs:

    ```Bash
    sudo mount -t tmpfs -o size=10g tmpfs /media/crail
    ```

    3. Set up index path's mount point.

    ```Bash
    sudo mount -t hugetlbfs none /mnt
    ```

    4. Set up CRAIL_HOME.

    5. Change mount point's owner:

    ```Bash
    sudo chown -R hadoop:hadoop /mnt
    sudo chown -R hadoop:hadoop /media/crail
    ```

    6. Run crail's namenode & datanode.