Hi Venkatesh,

On Tue, Dec 11, 2012 at 11:22 PM, Venki Yedidha
<[email protected]> wrote:
> Hi All,
>     I am getting error:timeout when I am trying to run an m/r job on 9600
> bucket/key pairs..I am writing m/r in javascript..I would like to know how I
> can improve the performance of an m/r job in general..I tried increasing
> timeout factor to 150000  but still the same error..I am running on a 3 node
> riak cluster.
>

Can we get a look at the js code? There might be a prebuilt erlang job
[1] or m/r util [2] that can do the same thing you're attempting.
There's also a 5s hardcoded timeout for any JS invocation that you
might be hitting.

Mark

[1] https://github.com/basho/riak_kv/blob/master/src/riak_kv_mapreduce.erl
[2] https://github.com/whitenode/riak_mapreduce_utils

> Also, on what factor I need to multiply on :
>
>  {map_js_vm_count, 8 },
>  {reduce_js_vm_count, 6 },
>  {hook_js_vm_count, 2 }
>
> for better performance.
>
> Thanks,
> Venkatesh
>
>
>
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  • M/R timeout Venki Yedidha
    • Re: M/R timeout Mark Phillips

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