Hi Costin:

elasticsearch-hadoop 2.0.0
cascading 2.5.4
scalding 0.10.0

Thanks,
Zach


On Tuesday, September 30, 2014 10:25:10 AM UTC-5, Costin Leau wrote:
>
> What version of es-hadoop/es/cascading are you using? 
>
> On 9/30/14 6:16 PM, Zach Cox wrote: 
> > Hi - we're having problems with one of our map-reduce jobs that writes 
> to Elasticsearch. Lots of map tasks are failing 
> > due to ES being "unavailable", with logs like this: 
> > 
> > 
> https://gist.githubusercontent.com/zcox/3d6cf4329d49ca03271b/raw/57c46a5e4c9ea04d5c4209414d6f847492d16c0d/gistfile1.txt
>  
> > 
> > Seems like elasticsearch-hadoop tries talking to an ES node, it times 
> out, tries the next one, it times out, etc until 
> > all nodes in the cluster are exhausted and then it gives up. 
> > 
> > As far as I can tell, the ES cluster is healthy while this is occurring. 
> May map tasks are succeeding - probably about 
> > 10% of the attempts are killed due to this issue. The main problem is 
> that these killed tasks waste a lot of time, and 
> > slow down the overall job execution. 
> > 
> > I'm not sure where to troubleshoot this next. Does anyone have any idea 
> what would cause all of these time outs & failures? 
> > 
> > I'm also curious about the lines like this: 
> > 
> > 2014-09-30 12:49:20,469 WARN 
> org.apache.commons.httpclient.SimpleHttpConnectionManager: 
> SimpleHttpConnectionManager being used incorrectly.  Be sure that 
> HttpMethod.releaseConnection() is always called and that only one thread 
> and/or method is using this connection manager at a time. 
> > 
> > 
> > Would that be related to the timeout problem we're seeing? 
> > 
> > Thanks, 
> > Zach 
> > 
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> -- 
> Costin 
>

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