flink-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Flavio Pompermaier <pomperma...@okkam.it>
Subject Re: Tuple model project
Date Thu, 30 Jul 2015 08:43:31 GMT
Any thought about this (move tuples classes in a separate self-contained
project with no transitive dependencies so that to be easily used in other
external projects)?

On Mon, Jul 6, 2015 at 11:09 AM, Flavio Pompermaier <pompermaier@okkam.it>
wrote:

> Do you think it could be a good idea to extract Flink tuples in a separate
> project so that to allow simpler dependency management in Flin-compatible
> projects?
>
> On Mon, Jul 6, 2015 at 11:06 AM, Fabian Hueske <fhueske@gmail.com> wrote:
>
>> Hi,
>>
>> at the moment, Tuples are more efficient than POJOs, because POJO fields
>> are accessed via Java reflection whereas Tuple fields are directly accessed.
>> This performance penalty could be overcome by code-generated seriliazers
>> and comparators but I am not aware of any work in that direction.
>>
>> Best, Fabian
>>
>> 2015-07-06 11:01 GMT+02:00 Flavio Pompermaier <pompermaier@okkam.it>:
>>
>>> Hi to all,
>>> I was thinking to write my own flink-compatible library and I need
>>> basically a Tuple5.
>>>
>>> Is there any performace loss in using a POJO with 5 String fields vs a
>>> Tuple5?
>>> If yes, wouldn't be a good idea to extract flink tuples in a separate
>>> simple project (e.g. flink-java-tuples) that has no other dependency to
>>> enable other libs to write their flink-compatible logic without the need to
>>> exclude all the transitive dependency of flink-java?
>>>
>>> Best,
>>> Flavio
>>>
>>
>>
>
>

Mime
View raw message