Can you please file a bug (https://github.com/eBay/cassandra-river/issues)
or share the stacktrace?

Thanks,
-Utkarsh


On Tue, Feb 4, 2014 at 8:54 AM, AKhan <ansa...@gmail.com> wrote:

> cassandra-river is not working in my case too and I am getting exceptions
> on server side.
>
> elasticsearch.common.UUID;
>
> On Friday, March 29, 2013 10:01:14 PM UTC+1, utkar...@gmail.com wrote:
>>
>> Hello,
>>
>> I have been working on a cassandra river which triggers periodically and
>> indexes all data in a cassandra column family. The implementation for now
>> spawns 10 threads and processes 10k documents (with 13 columns)/thread.
>> The performance initially was very good. It indexed 1M documents in
>> 10mins. But after a 1hour, the indexing became very slow and it indexed
>> around 8M documents. I am trying to index a total of 50M documents.
>>
>> I have attached a screenshot of the memory and CPU usage. What I noticed
>> was, a lot of merge threads spawned up which reduced the speed considerably:
>> "elasticsearch[Doppelganger][[prodinfo][1]: Lucene Merge Thread #329]"
>> daemon prio=10 tid=0x2a630000 nid=0x4c28 runnable [0x246bd000]
>>
>> So, I believe this has to do with some configuration which I can tweak to
>> improve bulk indexing. I am running 1 node with 5 shared with 2GB of
>> ES_HEAP_SIZE and no replicas for now.
>>
>> Shay mentioned some tips here: https://groups.google.com/
>> forum/?fromgroups=#!topic/elasticsearch/APWxRLrMOeU in 2011.
>> Wanted to know if there are any bulk indexing performance improvements?
>>
>> I am also using: bulk.execute().addListener() (async) in place of
>> bulk.execute().actionGet() (sync)
>>
>> I am planning to share the cassandra-river as soon its achieves acceptable
>> performance.
>>
>>
>>
>> <https://lh5.googleusercontent.com/-G8kxNXFaUmc/UVYAPHN-NFI/AAAAAAAAAgw/rmcLu6P1Urg/s1600/bigdesk_ES.png>
>>
>>
>>
>>
>> <https://lh3.googleusercontent.com/-8RokQMwPSW0/UVYAJFwUvrI/AAAAAAAAAgo/GTEdX5MkTwA/s1600/visualvm_Es.png>
>>
>>
>> Thanks,
>> -Utkarsh
>>
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-- 
Thanks,
-Utkarsh

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