FAQ
Hi All,

I want to install Oozie and I wonder if it is OK to install it on the name
node or maybe I need to install dedicated server to it.

I have a very small Hadoop cluster (4 datanodes + namenode + secondary
namenode).

Thanks for your help.



Avi

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  • Harsh J at Aug 29, 2011 at 11:21 am
    Avi,

    Should be OK to do so at this stage. However, keep monitoring loads on
    the machines to determine when to move things out to their own
    dedicated boxes.
    On Mon, Aug 29, 2011 at 3:20 PM, Avi Vaknin wrote:
    Hi All,

    I want to install Oozie and I wonder if it is OK to install it on the name
    node or maybe I need to install dedicated server to it.

    I have a very small Hadoop cluster (4 datanodes + namenode + secondary
    namenode).

    Thanks for your help.



    Avi


    --
    Harsh J
  • Avi Vaknin at Aug 29, 2011 at 11:45 am
    Thanks a lot.
    I think I'll install it on the namenode.

    -----Original Message-----
    From: Harsh J
    Sent: Monday, August 29, 2011 2:20 PM
    To: common-user@hadoop.apache.org
    Subject: Re: Oozie on the namenode server

    Avi,

    Should be OK to do so at this stage. However, keep monitoring loads on
    the machines to determine when to move things out to their own
    dedicated boxes.
    On Mon, Aug 29, 2011 at 3:20 PM, Avi Vaknin wrote:
    Hi All,

    I want to install Oozie and I wonder if it is OK to install it on the name
    node or maybe I need to install dedicated server to it.

    I have a very small Hadoop cluster (4 datanodes + namenode + secondary
    namenode).

    Thanks for your help.



    Avi


    --
    Harsh J
    -----
    No virus found in this message.
    Checked by AVG - www.avg.com
    Version: 10.0.1392 / Virus Database: 1520/3864 - Release Date: 08/28/11
  • Avi Vaknin at Aug 29, 2011 at 11:58 am
    Hi,
    I have one more question about Oozie,
    Is there any suggested high availability solution for Oozie ?
    Something like active/passive or active/active solution.
    Thanks.

    Avi

    -----Original Message-----
    From: Harsh J
    Sent: Monday, August 29, 2011 2:20 PM
    To: common-user@hadoop.apache.org
    Subject: Re: Oozie on the namenode server

    Avi,

    Should be OK to do so at this stage. However, keep monitoring loads on
    the machines to determine when to move things out to their own
    dedicated boxes.
    On Mon, Aug 29, 2011 at 3:20 PM, Avi Vaknin wrote:
    Hi All,

    I want to install Oozie and I wonder if it is OK to install it on the name
    node or maybe I need to install dedicated server to it.

    I have a very small Hadoop cluster (4 datanodes + namenode + secondary
    namenode).

    Thanks for your help.



    Avi


    --
    Harsh J
    -----
    No virus found in this message.
    Checked by AVG - www.avg.com
    Version: 10.0.1392 / Virus Database: 1520/3864 - Release Date: 08/28/11
  • Alejandro Abdelnur at Aug 29, 2011 at 2:10 pm
    [Moving thread to Oozie aliases and hadoop's alias to BCC]

    Avi,

    Currently you can have a cold standby solution.

    An Oozie setup consists of 2 systems, a SQL DB (storing all Oozie jobs
    state) and a servlet container (running Oozie proper). You need you DB to be
    high available. You need to have a second installation of Oozie configured
    identically to the running on stand by. If the running Oozie fails, you
    start the second one.

    The idea (we once did a prototype using Zookeeper) is to eventually support
    a multithreaded Oozie server, that would give both high-availability and
    horizontal scalability. Still you'll need a High Available DB.

    Thanks.

    Alejandro

    On Mon, Aug 29, 2011 at 4:57 AM, Avi Vaknin wrote:

    Hi,
    I have one more question about Oozie,
    Is there any suggested high availability solution for Oozie ?
    Something like active/passive or active/active solution.
    Thanks.

    Avi

    -----Original Message-----
    From: Harsh J
    Sent: Monday, August 29, 2011 2:20 PM
    To: common-user@hadoop.apache.org
    Subject: Re: Oozie on the namenode server

    Avi,

    Should be OK to do so at this stage. However, keep monitoring loads on
    the machines to determine when to move things out to their own
    dedicated boxes.
    On Mon, Aug 29, 2011 at 3:20 PM, Avi Vaknin wrote:
    Hi All,

    I want to install Oozie and I wonder if it is OK to install it on the name
    node or maybe I need to install dedicated server to it.

    I have a very small Hadoop cluster (4 datanodes + namenode + secondary
    namenode).

    Thanks for your help.



    Avi


    --
    Harsh J
    -----
    No virus found in this message.
    Checked by AVG - www.avg.com
    Version: 10.0.1392 / Virus Database: 1520/3864 - Release Date: 08/28/11

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