[Yanel-dev] Fwd: Cluster documentation

Wed Feb 2 18:27:40 CET 2011

I don't worry regarding the "read only" clustered version, or the "write by
master only",
I just don't see a clear solution yet for the "all ready, all can write"
clustered setup.
Cheers
Balz

On Wed, Feb 2, 2011 at 6:21 PM, Michael Wechner
<michael.wechner at wyona.com>wrote:

>  Hi Balz
>
>
> On 2/2/11 5:55 PM, Balz Schreier wrote:
>
> Hi Michael,
> interesting point is mentioned in the restrictions:
>
>
>    - Only one cluster node writes to the repository. This means that the
>    authoring environment is only accessible on one dedicated cluster node,
>    which is called the *master* node.
>
>
>  For the project I'm working for this is not a solution as each node must
> have write access to the repository as well as to the Lucene index.
>
>
> agreed and I don't think you need to worry
>
>
>  This is what I wanted to highlight in today's workshop that Yanel/Yarep
> should come up with a concept of a single "write" instance which gets used
> by all members in the cluster so that writing is also possible for other
> nodes... to be continued....
>
>
> wyona.com is running within a cluster and so far we didn't have any
> problems.
> Also please see Cedric's tests, whereas to be fair these tests were done
> only with concurrent read access.
> But we will also do concurrent write/read.
>
> Cheers
>
> Michael
>
>
>  Cheers
> Balz
>
> On Wed, Feb 2, 2011 at 5:40 PM, Michael Wechner <michael.wechner at wyona.com
> > wrote:
>
>>  Maybe interesting to compare (please see below).
>>
>> Cheers
>>
>> Michael
>>
>> -------- Original Message --------  Subject: Cluster documentation  Date:
>> Wed, 02 Feb 2011 16:04:38 +0100  From: Andreas Hartmann
>> <andreas at apache.org> <andreas at apache.org>  Reply-To:
>> user at lenya.apache.org  To: user at lenya.apache.org
>>
>> I have added documentation for the cluster setup:
>> https://lenya.zones.apache.org/cms/docu/live/docu20/reference/cluster.html
>>
>> -- Andreas
>>
>>
>> Am 05.01.11 16:30, schrieb Martin Dominguez:
>> >
>> > Great new year news! Thanks Felix!
>> >
>> >
>> > Felix Roethenbacher wrote:
>> >>
>> >> Hi Florent
>> >>
>> >> You can check it out: there is a configuration file in
>> >> lenya/config/cluster/cluster.xconf in your webapp.
>> >>
>> >> If you enable clustering and set the Lenya instance to
>> >> slave it will check for external modifications to the
>> >> live sitetree and reload all necessary resources.
>> >>
>> >> Please note that only the live area can be run in clustered mode
>> >> and that there should be only one instance running as
>> >> master (which is the authoring instance).
>> >>
>> >> Cheers, Felix
>> >>
>> >>
>> >> Am 04.01.11 16:14, schrieb florent andré:
>> >>> Hi froethenbacher,
>> >>>
>> >>> Can you confirm if this good old commit message solve the cluster issue
>> >>> reported by Martin on 20101215 ?
>> >>>
>> >>> Thanks
>> >>>
>> >>> On 01/03/2011 06:33 PM, froethenbacher at apache.org wrote:
>> >>>> Author: froethenbacher
>> >>>> Date: Mon Jan  3 17:33:50 2011
>> >>>> New Revision: 1054691
>> >>>>
>> >>>> URL: http://svn.apache.org/viewvc?rev=1054691&view=rev
>> >>>> Log:
>> >>>> Added cluster manager.
>> >>>>
>> >>>> Added:
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/impl/java/org/apache/lenya/cms/cluster/
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/impl/java/org/apache/lenya/cms/cluster/impl/
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/impl/java/org/apache/lenya/cms/cluster/impl/ClusterManagerImpl.java
>> >>>>       lenya/branches/BRANCH_2_1_X/src/java/org/apache/lenya/cms/cluster/
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/java/org/apache/lenya/cms/cluster/ClusterConfigurationException.java
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/java/org/apache/lenya/cms/cluster/ClusterManager.java
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/java/org/apache/lenya/cms/cluster/ClusterMode.java
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/modules/sourcerepository/config/cocoon-xconf/sourcenodercmlfactory.xconf
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/modules/sourcerepository/java/src/org/apache/lenya/cms/repository/impl/
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/modules/sourcerepository/java/src/org/apache/lenya/cms/repository/impl/SourceNodeRcmlFactoryImpl.java
>> >>>>       lenya/branches/BRANCH_2_1_X/src/webapp/lenya/config/cluster/
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/webapp/lenya/config/cluster/cluster.xconf
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/webapp/lenya/config/cocoon-xconf/cluster/
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/webapp/lenya/config/cocoon-xconf/cluster/cluster.xconf
>> >>>> Modified:
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/java/org/apache/lenya/cms/repository/RepositoryManagerImpl.java
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/java/org/apache/lenya/cms/repository/SessionImpl.java
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/modules/sitetree/java/src/org/apache/lenya/cms/site/tree2/SiteTreeImpl.java
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/modules/sitetree/java/src/org/apache/lenya/cms/site/tree2/SiteTreeMonitorImpl.java
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/modules/sitetree/java/src/org/apache/lenya/cms/site/tree2/TreeSiteManager.java
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/modules/sourcerepository/java/src/org/apache/lenya/cms/repository/SourceNode.java
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/modules/sourcerepository/java/src/org/apache/lenya/cms/repository/SourceNodeRCML.java
>> >>>>
>> >>>> lenya/branches/BRANCH_2_1_X/src/modules/sourcerepository/java/src/org/apache/lenya/cms/repository/SourceNodeRcmlFactory.java
>> >>>>
>> >>> ...
>> >>>
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>> >>>
>> >>
>> >>
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>> >>
>> >>
>> >>
>> >
>>
>>
>> --
>> Andreas Hartmann, CTO
>> BeCompany GmbHhttp://www.becompany.ch
>> Tel.: +41 (0) 43 818 57 01
>>
>>
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>>
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