Re: LoadBalancer
Re: LoadBalancer
- Subject: Re: LoadBalancer
- From: Michael Kondratov via Webobjects-dev <email@hidden>
- Date: Tue, 24 Sep 2019 10:02:36 -0400
Yes
Sent from my iPhone
> On Sep 24, 2019, at 4:52 AM, Mark Gowdy <email@hidden> wrote:
>
> Does that work across multiple machines?
>
>> On 10 Sep 2019, at 20:53, Michael Kondratov via Webobjects-dev
>> <email@hidden> wrote:
>>
>> Daniel,
>> It is pretty easy. It is worth looking into enabling
>> ERJGroupsSynchronizer.
>>
>> er.extensions.remoteSynchronizer=er.jgroups.ERJGroupsSynchronizer
>> er.extensions.jgroupsSynchronizer.multicastAddress=230.0.0.1
>> jgroups.udp.mcast_port=9755
>>
>> That will synchronize changes across instances.
>>
>> Michael
>>
>>
>>> On Sep 10, 2019, at 3:44 AM, daniel.bietenbeck--- via Webobjects-dev
>>> <email@hidden> wrote:
>>>
>>> Hi there,
>>>
>>> small side question to the topic.
>>>
>>> Is there a good tutorial for upgrading an application from single instance
>>> to multi instance? common pitfalls etc.?
>>>
>>> Best regards,
>>> Daniel Bietenbeck
>>> Leiter IT
>>> ...fröbus
>>> Medien. Dienst. Leistung.
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>>>> Am 09.09.2019 um 23:48 schrieb Morris, Mark via Webobjects-dev
>>>> <email@hidden>:
>>>>
>>>> Hi André,
>>>>
>>>> If in reality the situation is as simple as your example, perhaps you
>>>> could just create a separate single instance with a distinct name for your
>>>> “defined instance", and use that for requests that require it. We do
>>>> something like that for certain special situations.
>>>>
>>>> Regards,
>>>> Mark
>>>>
>>>>> On Sep 9, 2019, at 3:06 PM, André Rothe via Webobjects-dev
>>>>> <email@hidden> wrote:
>>>>>
>>>>> Hello,
>>>>>
>>>>> In the JavaMonitor I found the LoadBalancer properties. We use "Round
>>>>> Robin" for our application, but I asked myself, how I could implement a
>>>>> custom scheduler for a specific problem (multiple instances of an
>>>>> application, but some requests should always use a defined instance, all
>>>>> all other requests should be redirected and balanced between the other
>>>>> instances). Is there an interface, which my scheduler has to implement?
>>>>>
>>>>> Thank you
>>>>> André
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