Is there a reason to use Guava cache to aggregate over just a plain old
Map?  Curious as aggregation is a common use case for us and never thought
to look to Guava for it.

Thanks!

On Fri, Dec 22, 2017 at 1:50 PM, Manish Sharma <[email protected]> wrote:

> We added a guava cache in the bolt's execute method to aggregate tuples and 
> wait for the tick signal.
>
> You can control the tick frequency with TOPOLOGY_TICK_TUPLE_FREQ_SECS in the 
> main topology.
>
>
> This is a Spark use case IMO.
>
>
> cheers, /Manish
>
>
>
>
> On Wed, Dec 20, 2017 at 9:09 PM, Jinhua Luo <[email protected]> wrote:
>
>> Hi All,
>>
>> The window may buffer many tuples before evaluation, does storm
>> support incremental aggregation upon the window, just like flink does?
>>
>
>

Reply via email to