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https://issues.apache.org/jira/browse/SOLR-5320?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anshum Gupta updated SOLR-5320:
-------------------------------

    Description: 
This would enable multi level routing as compared to the 2 level routing 
available as of now. On the usage bit, here's an example:

Document Id: myapp!dummyuser!doc
myapp!dummyuser! can be used as the shardkey for searching content for 
dummyuser.
myapp! can be used for searching across all users of myapp.

I am looking at either a 3 (or 4) level routing. The 32 bit hash would then 
comprise of 8X4 components from each part (in case of 4 level).

Usage:

Document Id: myapp!dummyuser!doc

To query all users for a particular app (default setup), the route key should 
be: 'myapp/8!'.
To query a particular user for a specific app, the route key should be: 
'myapp!dummyuser!'

The syntax for querying all users for a particular app is required because this 
router works at both 2 and 3 level of composite id.
A route key of 'myapp!' would technically translate to constructing the hash 
range with 16 bits coming from the key i.e. 2-level composite id.

  was:
This would enable multi level routing as compared to the 2 level routing 
available as of now. On the usage bit, here's an example:

Document Id: myapp!dummyuser!doc
myapp!dummyuser! can be used as the shardkey for searching content for 
dummyuser.
myapp! can be used for searching across all users of myapp.

I am looking at either a 3 (or 4) level routing. The 32 bit hash would then 
comprise of 8X4 components from each part (in case of 4 level).


> Multi level compositeId router
> ------------------------------
>
>                 Key: SOLR-5320
>                 URL: https://issues.apache.org/jira/browse/SOLR-5320
>             Project: Solr
>          Issue Type: New Feature
>          Components: SolrCloud
>            Reporter: Anshum Gupta
>         Attachments: SOLR-5320-refactored.patch, SOLR-5320.patch, 
> SOLR-5320.patch, SOLR-5320.patch, SOLR-5320.patch
>
>   Original Estimate: 336h
>  Remaining Estimate: 336h
>
> This would enable multi level routing as compared to the 2 level routing 
> available as of now. On the usage bit, here's an example:
> Document Id: myapp!dummyuser!doc
> myapp!dummyuser! can be used as the shardkey for searching content for 
> dummyuser.
> myapp! can be used for searching across all users of myapp.
> I am looking at either a 3 (or 4) level routing. The 32 bit hash would then 
> comprise of 8X4 components from each part (in case of 4 level).
> Usage:
> Document Id: myapp!dummyuser!doc
> To query all users for a particular app (default setup), the route key should 
> be: 'myapp/8!'.
> To query a particular user for a specific app, the route key should be: 
> 'myapp!dummyuser!'
> The syntax for querying all users for a particular app is required because 
> this router works at both 2 and 3 level of composite id.
> A route key of 'myapp!' would technically translate to constructing the hash 
> range with 16 bits coming from the key i.e. 2-level composite id.



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