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From Kaliyug Antagonist <kaliyugantagon...@gmail.com>
Subject Re: Change the tmp directory
Date Fri, 23 Oct 2015 08:01:59 GMT
Then, I think I can keep the /tmp dir. configs unchanged :)

The only concern I had/have is that if someone does a rm -r * inside the
/tmp, will it hamper the cluster ? In past with the Apache Hadoop distros,
we had this problem.

On Thu, Oct 22, 2015 at 1:44 PM, Dmitry Sen <dsen@hortonworks.com> wrote:

> Hi,
>
>
> There few possible problems with /tmp directory:
>
> - it's cleaned up after reboot. All the services keep this in mind and
> never use any files in tmp directory after their restart, so no need to
> keep these files after server reboot
>
> - /tmp might be mounted to a small/slow partition. That's the reason for
> thinking about updating the configuration.
>
>
> 1. /tmp is a good choice :) Your tmp-dont-del should be on a fast and
> preferably large partition
>
> 2. It's ok, but the service accounts must have RW access to the
> corresponding directories. If you set hive.exec.scratchdir=/mnt/fastdrive/
> tmp-dont-del/hive , you have to make sure, that hive user has RW
> permissions to /mnt/fastdrive/tmp-dont-del/hive
>
>
> BR,
>
> Dmytro Sen
>
>
> ------------------------------
> *From:* Kaliyug Antagonist <kaliyugantagonist@gmail.com>
> *Sent:* Thursday, October 22, 2015 2:21 PM
> *To:* user@ambari.apache.org
> *Subject:* Change the tmp directory
>
> I am planning to install HDP 2.3 using Ambari 2.1.0.
>
> I have installed Ambari using the root privileges.
>
> In the configurations, I found several places where the path is /tmp/*.
>
> e.g:
> hive.exec.scratchdir /tmp/hive HBase tmp directory /tmp/hbase-${user.name}
> dev.zookeeper.path /tmp/dev-storm-zookeeper
>
> I wish to replace the default /tmp path with some custom temp
> directory(say 'tmp-dont-del')
>
>
>    1. Which is the recommended directory path for the new tmp ?
>    2. Is it fine to create this new temp. directory using root
>    credentials ?
>
>

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