Ok, thanks for both responses - agreed on the "bigger fish" part too,
but for this one I wanted to make sure I wasn't overlooking something.
Now that I know it's a "reasonable" approach, I'll give some more
thought.

Thanks.
Tim

On Sun, Apr 21, 2013 at 11:59 AM, Erick Erickson
<erickerick...@gmail.com> wrote:
> Same reply as your other question I think.... It's on the drawing
> board but hasn't percolated up past other urgent issues...
>
> Erick
>
> On Sun, Apr 21, 2013 at 1:28 PM, Timothy Potter <thelabd...@gmail.com> wrote:
>> Today is my day for conceptual questions ;-)
>>
>> From what I understand, CloudSolrServer is "smart" because it uses
>> cluster state information pulled from Zookeeper to send update
>> requests to leaders instead of replicas. This provides a slight
>> benefit in that the update request will land on the correct leader 1/S
>> times on avg. where S is the shard count, which is better than 1/N
>> where N is the total node count in the cluster. The benefit increases
>> as replication factor goes up.
>>
>> My question is whether the document ID-based routing logic could be
>> done in CloudSolrServer too? It has the document ID right there in the
>> request and knows the hash-ranges of each shard (from Zk).
>>
>> Any background information you can share on why routing is done on the
>> server-side and not in CloudSolrServer? I understand that it would
>> need to be done on the server too to support clients that don't have
>> CloudSolrServer, but seems like a nice optimization to be able to do
>> it on the client.
>>
>> Thanks.
>> Tim

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