I've been thinking about aliases for a while as well. Seem very handy and 
fairly easy to implement. So far there has just always been higher priority 
things (need to finish collection api responses this week…) but this is 
something I'd def help work on.

- Mark

On Dec 25, 2012, at 1:49 AM, Otis Gospodnetic <otis.gospodne...@gmail.com> 
wrote:

> Hi,
> 
> Right, this is not really about routing in ElasticSearch-sense.
> What's handy for indexing logs are index aliases.... which I thought I had
> added to JIRA a while back, but it looks like I have not.
> Index aliases would let you keep a "last 7 days" alias fixed while
> underneath you push and pop an index every day without the client app
> having to adjust.
> 
> Otis
> --
> Performance Monitoring - http://sematext.com/spm/index.html
> Search Analytics - http://sematext.com/search-analytics/index.html
> 
> 
> 
> On Mon, Dec 24, 2012 at 4:30 AM, Per Steffensen <st...@designware.dk> wrote:
> 
>> I believe it is a misunderstandig to use custom routing (or sharding as
>> Erick calls it) for this kind of stuff. Custom routing is nice if you want
>> to control which slice/shard under a collection a specific document goes to
>> - mainly to be able to control that two (or more) documents are indexed on
>> the same slice/shard, but also just to be able to control on which
>> slice/shard a specific document is indexed. Knowing/controlling this kind
>> of stuff can be used for a lot of nice purposes. But you dont want to move
>> slices/shards around among collection or delete/add slices from/to a
>> collection - unless its for elasticity reasons.
>> 
>> I think you should fill a collection every week/month and just keep those
>> collections as is. Instead of ending up with a big "historic" collection
>> containing many slices/shards/cores (one for each historic week/month), you
>> will end up with many historic collections (one for each historic
>> week/month). Searching historic data you will have to cross-search those
>> historic collections, but that is no problem at all. If Solr Cloud is made
>> at it is supposed to be made (and I believe it is) it shouldnt require more
>> resouces or be harder in any way to cross-search X slices across many
>> collections, than it is to cross-search X slices under the same collection.
>> 
>> Besides that see my answer for topic "Will SolrCloud always slice by ID
>> hash?" a few days back.
>> 
>> Regards, Per Steffensen
>> 
>> 
>> On 12/24/12 1:07 AM, Erick Erickson wrote:
>> 
>>> I think this is one of the primary use-cases for custom sharding. Solr 4.0
>>> doesn't really lend itself to this scenario, but I _believe_ that the
>>> patch
>>> for custom sharding has been committed...
>>> 
>>> That said, I'm not quite sure how you drop off the old shard if you don't
>>> need to keep old data. I'd guess it's possible, but haven't implemented
>>> anything like that myself.
>>> 
>>> FWIW,
>>> Erick
>>> 
>>> 
>>> On Fri, Dec 21, 2012 at 12:17 PM, Upayavira <u...@odoko.co.uk> wrote:
>>> 
>>> I'm working on a system for indexing logs. We're probably looking at
>>>> filling one core every month.
>>>> 
>>>> We'll maintain a short term index containing the last 7 days - that one
>>>> is easy to handle.
>>>> 
>>>> For the longer term stuff, we'd like to maintain a collection that will
>>>> query across all the historic data, but that means every month we need
>>>> to add another core to an existing collection, which as I understand it
>>>> in 4.0 is not possible.
>>>> 
>>>> How do people handle this sort of situation where you have rolling new
>>>> content arriving? I'm sure I've heard people using SolrCloud for this
>>>> sort of thing.
>>>> 
>>>> Given it is logs, distributed IDF has no real bearing.
>>>> 
>>>> Upayavira
>>>> 
>>>> 
>> 

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