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Zookeeper >> mail # user >> Question about Barrier tutorial


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Re: Question about Barrier tutorial
The one in the tutorial is not optimized, so the way to differentiate  
the nodes is by appending the node name, and not sequential identifiers.

-Flavio

On Feb 22, 2011, at 10:07 AM, ChingShen wrote:

> Hi Flavio,
>
>   I think I got it, I get the Barrier code from (http://zookeeper.apache.org/doc/r3.3.1/zookeeperTutorial.html#sc_barriers
> ) that create a EPHEMERAL_SEQUENTIAL znode rather than EPHEMERAL  
> znode, it's maybe a documentation bug.
>
> Shen
>
> On Tue, Feb 22, 2011 at 4:24 PM, Flavio Junqueira <fpj@yahoo-
> inc.com> wrote:
> Hi Shen, I'm not sure why you say that it does not synchronize the  
> end of the computation. The leave() method serves that purpose. Are  
> we looking at the same page?
>
> https://cwiki.apache.org/confluence/display/ZOOKEEPER/Tutorial
>
> -Flavio
>
> On Feb 22, 2011, at 7:53 AM, ChingShen wrote:
>
>> Hi all,
>>
>>  I run a Barrier example from ZooKeeper Tutorial(
>> http://zookeeper.apache.org/doc/r3.3.1/zookeeperTutorial.html#sc_barriers)
>> ,
>> but I have a question about that does the example just enables a  
>> group of
>> processes to synchronize the beginning of a computation? does it  
>> not ensure
>> that the end of a computation? or is it a bug?
>>
>> Thanks.
>>
>> Shen
>
> flavio
> junqueira
>
> research scientist
>
> [EMAIL PROTECTED]
> direct +34 93-183-8828
>
> avinguda diagonal 177, 8th floor, barcelona, 08018, es
> phone (408) 349 3300    fax (408) 349 3301
>
>
>
>

flavio
junqueira

research scientist

[EMAIL PROTECTED]
direct +34 93-183-8828

avinguda diagonal 177, 8th floor, barcelona, 08018, es
phone (408) 349 3300    fax (408) 349 3301

NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB