dev@glassfish.java.net

Re: InstanceState service : getting the state of an instance

From: Vijay Ramachandran <vijay.ramachandran_at_oracle.com>
Date: Thu, 22 Jul 2010 09:51:27 -0700

On 7/22/10 9:42 AM, Marina Vatkina wrote:
> Did it work the same way in v2? Delegated transaction recovery won't
> be able to work if the state of both instances can't be reliably
> determined.

I do not know of a similar service that was available in v2.

> How will the CLI replication work when DAS is down?

DAS is the master and all commands go thro' DAS. Replication happens
from DAS and if DAS is down how will your command come in at all ?

Vijay

> These are my needs:
>
> 1. asadmin recover-transactions foo => should be sent to 'foo'
>
> 2. asadmin recover-transactions --target bar foo => should be sent to
> 'bar' *iff* 'foo' is down, it should fail if 'foo' is up.
>
> Regards,
> -marina
>
> Vijay Ramachandran wrote:
>> On 7/21/2010 4:16 PM, Marina Vatkina wrote:
>>> Will DAS be always running?
>>
>> May not be and when it is not running, the last know state will be
>> saved.
>>
>> I will be calling for a meeting to discuss this further - let me know
>> your use case then and we can decide if and how we can accommodate
>> your needs.
>>
>> Vijay
>>
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