Re: Kryo registration for Tuples?

2016-06-08 Thread Reynold Xin
Yes you can :)


On Wed, Jun 8, 2016 at 6:00 PM, Alexander Pivovarov 
wrote:

> Can I just enable spark.kryo.registrationRequired and look at error
> messages to get unregistered classes?
>
> On Wed, Jun 8, 2016 at 5:52 PM, Reynold Xin  wrote:
>
>> Due to type erasure they have no difference, although watch out for Scala
>> tuple serialization.
>>
>>
>> On Wednesday, June 8, 2016, Ted Yu  wrote:
>>
>>> I think the second group (3 classOf's) should be used.
>>>
>>> Cheers
>>>
>>> On Wed, Jun 8, 2016 at 4:53 PM, Alexander Pivovarov <
>>> apivova...@gmail.com> wrote:
>>>
 if my RDD is RDD[(String, (Long, MyClass))]

 Do I need to register

 classOf[MyClass]
 classOf[(Any, Any)]

 or

 classOf[MyClass]
 classOf[(Long, MyClass)]
 classOf[(String, (Long, MyClass))]

 ?


>>>
>


Re: Kryo registration for Tuples?

2016-06-08 Thread Alexander Pivovarov
Can I just enable spark.kryo.registrationRequired and look at error
messages to get unregistered classes?

On Wed, Jun 8, 2016 at 5:52 PM, Reynold Xin  wrote:

> Due to type erasure they have no difference, although watch out for Scala
> tuple serialization.
>
>
> On Wednesday, June 8, 2016, Ted Yu  wrote:
>
>> I think the second group (3 classOf's) should be used.
>>
>> Cheers
>>
>> On Wed, Jun 8, 2016 at 4:53 PM, Alexander Pivovarov > > wrote:
>>
>>> if my RDD is RDD[(String, (Long, MyClass))]
>>>
>>> Do I need to register
>>>
>>> classOf[MyClass]
>>> classOf[(Any, Any)]
>>>
>>> or
>>>
>>> classOf[MyClass]
>>> classOf[(Long, MyClass)]
>>> classOf[(String, (Long, MyClass))]
>>>
>>> ?
>>>
>>>
>>


Re: Kryo registration for Tuples?

2016-06-08 Thread Reynold Xin
Due to type erasure they have no difference, although watch out for Scala
tuple serialization.

On Wednesday, June 8, 2016, Ted Yu  wrote:

> I think the second group (3 classOf's) should be used.
>
> Cheers
>
> On Wed, Jun 8, 2016 at 4:53 PM, Alexander Pivovarov  > wrote:
>
>> if my RDD is RDD[(String, (Long, MyClass))]
>>
>> Do I need to register
>>
>> classOf[MyClass]
>> classOf[(Any, Any)]
>>
>> or
>>
>> classOf[MyClass]
>> classOf[(Long, MyClass)]
>> classOf[(String, (Long, MyClass))]
>>
>> ?
>>
>>
>


Re: Kryo registration for Tuples?

2016-06-08 Thread Ted Yu
I think the second group (3 classOf's) should be used.

Cheers

On Wed, Jun 8, 2016 at 4:53 PM, Alexander Pivovarov 
wrote:

> if my RDD is RDD[(String, (Long, MyClass))]
>
> Do I need to register
>
> classOf[MyClass]
> classOf[(Any, Any)]
>
> or
>
> classOf[MyClass]
> classOf[(Long, MyClass)]
> classOf[(String, (Long, MyClass))]
>
> ?
>
>