Joshua beat me to the reply, so now you have corroboration for his
correction :-)

On Mon, Oct 30, 2017 at 2:26 PM, Bill Farner <wfar...@apache.org> wrote:

> Clarification - shard and instance are (unfortunately) used
> interchangeably in some of our docs, despite the fact that shard can have a
> different meaning in other contexts.
>
> The meaning of batch_size doesn't match either rephrasing you offer,
> perhaps the docs need work!  batch_size effectively tells the updater what
> portion of your service may be down in the course of the update.  This
> becomes the size of a sliding window as the update proceeds across the
> instances of the service.
>
> i.e. if batch_size is 3, the updater will start updating 3 instances
> immediately, and proceed through all instances with 3 instances updating a
> any time until it reaches the end.
>
> Does that clarify?
>
> On Mon, Oct 30, 2017 at 2:01 PM, Mohit Jaggi <mohit.ja...@uber.com> wrote:
>
>> Folks,
>> Does the following doc mean A or B?
>>
>> *A*: batch_size is the number of instances in a given shard
>> *B:* batch_size is the number of shards. So every batch has (number of
>> instances)/(batch_size) tasks.
>>
>> Mohit.
>> UpdateConfig Objects
>>
>> Parameters for controlling the rate and policy of rolling updates.
>> objecttypedescription
>> batch_size Integer Maximum number of shards to be updated in one
>> iteration (Default: 1)
>>
>
>

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