Yes it happened with jdbc river. Thanks for clarification.

Am Montag, 23. Februar 2015 17:16:09 UTC+1 schrieb Jörg Prante:
>
> Is this with JDBC river? If so, you can increase the number of bulk 
> actions per request, to decrease the concurrent bulk actions, to remedy 
> situations where many rivers are active.
>
> Jörg
>
> On Mon, Feb 23, 2015 at 9:40 AM, Abid Hussain <hus...@novacom.mygbiz.com 
> <javascript:>> wrote:
>
>> Hi all,
>>
>> last restart of our cluster caused a heavy load as a couple of rivers are 
>> triggered which load alltogether about 40 GB of data into the (single-node) 
>> cluster.
>>
>> This lead to massive exceptions like shown in the logs:
>> [6726]: index [my_index], type [my_doc_type], id [2390342], message 
>> [EsRejectedExecutionException[rejected execution (queue capacity 50) on 
>> org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$AsyncShardOperationAction$1@4a94944]]
>>
>> We didn't change any of the threadpools queue size settings (like 
>> threadpool.bulk.queue_size). AFAIK in this case the queue size is 
>> unlimited.
>>
>> So how is it possible that the exception above can occur? Why does the 
>> log message indicate a queue size of 50?
>>
>> Regards,
>>
>> Abid
>>
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