You can take a look at
"org.apache.spark.streaming.scheduler.ReceiverTracker#getExecutors"

On Thu, Mar 3, 2016 at 3:10 PM, Reynold Xin <r...@databricks.com> wrote:

> What do you mean by consistent? Throughout the life cycle of an app, the
> executors can come and go and as a result really has no consistency. Do you
> just need it for a specific job?
>
>
>
> On Thu, Mar 3, 2016 at 3:08 PM, Cody Koeninger <c...@koeninger.org> wrote:
>
>> I need getPreferredLocations to choose a consistent executor for a
>> given partition in a stream.  In order to do that, I need to know what
>> the current executors are.
>>
>> I'm currently grabbing them from the block manager master .getPeers(),
>> which works, but I don't know if that's the most reasonable way to do
>> it.
>>
>> Relevant code:
>>
>>
>> https://github.com/koeninger/spark-1/blob/aaef0fc6e7e3aae18e4e03271bc0707d09d243e4/external/kafka-beta/src/main/scala/org/apache/spark/streaming/kafka/KafkaRDD.scala#L107
>>
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>

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