[hibernate-dev] A synchronous JGroups backend for Hibernate Search

[Sanne Grinovero]

Applies to all backends:
"hibernate.search.default.worker.execution" "async"

Then override the above per specific index which needs to be sync :
"hibernate.search.books.worker.execution" "sync"


On 15 April 2013 22:37, Ales Justin <ales.justin at gmail.com> wrote:
> What's (again) the magic property to set all indexes backends in a cache to async?
>
> -Ales
>
> On Apr 15, 2013, at 7:00 PM, Sanne Grinovero <sanne at hibernate.org> wrote:
>
>> In my first draft for HSEARCH-1296 I was automatically enabling the
>> blocking behaviour on JGroups if the worker backend was configured to
>> be synchronous (which is the default for workers),
>> but Emmanuel didn't like that and I think he has a good point:
>>
>> The JGroups behaviour and the workers behaviour are two different
>> things; so I just separated this into a new configuration property
>>
>> "block_waiting_ack" (boolean)
>>
>> which of course applies only to the JGroups backends.
>>
>> I agree it's important to keep the two separate, but also if the user
>> is configuring an ASYNC worker, he should set this option to false as
>> there is no benefit in waiting for the delivery.
>> Likewise, if SYNC is required, you would probably want to set this to true.
>>
>> So I'm suggesting we make the default value ot "block_waiting_ack"
>> dependant on the worker execution, exposing the property as an
>> override.
>>
>> Thoughts?
>>
>> I guess it's much easier to understand the default behaviour if we
>> keep them separate, still I don't see much use for configuring the two
>> independently.
>>
>> Cheers,
>> Sanne
>>
>> https://hibernate.atlassian.net/browse/HSEARCH-1296
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>
>
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