On 7/7/10 3:12 PM, Byron Nevins wrote:
> GMS will handle updating the state of stand-alone instances? Perfectly?
That is my understanding. Joe / Bobby can confirm that.
Vijay
>
>
> On 7/7/2010 2:44 PM, Vijay Ramachandran wrote:
>> On 7/7/10 2:27 PM, Byron Nevins wrote:
>>> How are you guaranteeing that the cached state in InstanceStateImpl
>>> reflects reality? E.g. what if I "kill -9" an instance -- how does
>>> the cached state change to not-running?
>>
>> I will depend on GMS for that.
>>
>> Vijay
>>
>>>
>>>
>>> On 7/7/2010 10:02 AM, Vijay Ramachandran wrote:
>>>> For those CLI/module owners who want a way to get the state of an
>>>> instance at any time :
>>>>
>>>> A new service, InstanceState, has been introduced. You can use this
>>>> by doing the following in your code :
>>>>
>>>> @Inject InstanceState state;
>>>>
>>>> As of now, this service interacts with the command replication
>>>> framework and, hence, the state of an instance changes from RUNNING
>>>> to RESTART_REQUIRED only. Soon this service will interact with GMS
>>>> subsystem and every other instance state change will be reflected.
>>>>
>>>> You may want to consider using this instead doing other forms of
>>>> pinging an instance (like doing uptime / version / locations
>>>> command) to see if an instance is alive.
>>>>
>>>> Let me know if you have any feedback / comments / issues with this.
>>>>
>>>> Vijay
>>>>
>>>>
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>>>
>>
>>
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>