[infinispan-dev] Infinispan URL format

Radim Vansa rvansa at redhat.com
Wed Jun 1 03:02:46 EDT 2016

On 05/31/2016 01:33 PM, Galder Zamarreño wrote:
> Comments inline:
> --
> Galder Zamarreño
> Infinispan, Red Hat
>> On 30 May 2016, at 09:46, Tristan Tarrant <ttarrant at redhat.com> wrote:
>> In the past there has been talk of representing a connection to
>> Infinispan using a URL, in particular for HotRod.
>> The Hibernate OGM team is now working on adding NoSQL datasources to
>> WildFly, and they've asked for they should represent connections to
>> various of these.
> ^ What's this trying to solve exactly?
>> For Hot Rod:
>> infinispan:hotrod://[host1][:port1][,[host2][:port2]]...[/cachemanager]
>> The [cachemanager] part is for multi-tenant servers (Hot Rod doesn't
>> currently support this, so this is forward-looking).
>> Obviously we will support all of the HotRod properties for specifying
>> things like security, etc.
> ^ Hmmm, all properties? Do you envision potentially putting all HR client config inside a URL?
>> For Embedded:
>> infinispan:embedded:file://path/to/config.xml (for specifying an
>> external config file)
>> infinispan:embedded:jndi://path/to/jndi (for referencing a cachemanager
>> in JNDI)
>> infinispan:embedded: (configuration specified as properties)
>> For the latter, we also need to be able to represent an infinispan
>> configuration using properties with a simple mapping to XML
>> elements/attributes, e.g.
>> cache-manager.local-cache.mycache.eviction.size=1000
> ^ Why 'local-cache' in property name? cachemanager.mycache...etc would be enough since there can't be duplicate cache names inside a given cache manager. So, is 'local-cache' merely a hint?

The first idea would be to make the left-hand side XPath expressions, so 
it would be


As we probably want to select only on the name attribute, this could be 
sufficient and less verbose:


I wouldn't mix 'schema' of the property with user-defined identifiers - 
those brackets clearly separate them for good.

There are cases where you have multiple children in one element - custom 
interceptors, groups, persistence (though the current schema tells me I 
can have only one store defined)... and there is no clear identifier (as 
cache name, or backup site). I would suggest that there a custom 
identifier that is not present in configuration would help user identify 
this, e.g.


My 2c


> Cheers,
>> Comments are welcome
>> Tristan
>> -- 
>> Tristan Tarrant
>> Infinispan Lead
>> JBoss, a division of Red Hat
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>> infinispan-dev at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/infinispan-dev
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Radim Vansa <rvansa at redhat.com>
JBoss Performance Team

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