[Apiman-user] Rate-limit policy does not work in APIMan cluster

Eric Wittmann eric.wittmann at redhat.com
Tue Jan 19 08:56:39 EST 2016


Are you 100% sure that the Gateway on Node1 and Node2 are sharing the 
same Elasticsearch instance?  From your description it sounds like 
perhaps they are not (e.g. the rateBucket being initialized after the 
request to Node2).

Perhaps you could send us the apiman.properties files from *each* of 
your two nodes?

Regards,

Eric

On 1/18/2016 9:03 AM, Vax, Uri wrote:
> The cluster:
>
> Two Linux machines
>
> *Node1*: Gateway + Manager + Elastic Search
>
> *Node2*: Gateway
>
> Node1 and Node2 share same Elastic Search.
>
> Maybe I missing something?
>
> By the way… not sure, but I noticed that the value of *rateBucket* has
> been initialized after the request to Node2
>
> {
>
>          "_index": "apiman_gateway",
>
>          "_type": "rateBucket",
>
>          "_id": "UFVCTElDfHx8fGxvY2FsfHxzfHwxLjA=",
>
>          "_score": 1,
>
>          "_source": {
>
>            "count": 1,
>
>            "last": 1453115651374
>
>          }
>
> *From:*Jakub Čecháček [mailto:jcechace at gmail.com]
> *Sent:* Monday, January 18, 2016 3:33 PM
> *To:* Vax, Uri
> *Cc:* apiman-user at lists.jboss.org
> *Subject:* Re: [Apiman-user] Rate-limit policy does not work in APIMan
> cluster
>
> Hello,
>
> could you please describe the setup/topology of your "cluster"?  The HA
> setup of apiman takes advantage of the fact that state is shared only
> inside ES -- so you should be good as long as you share one ES cluster
> among all gateways. Thus it is not really a cluster.
>
> Jakub.
>
> On Mon, Jan 18, 2016 at 1:10 PM, Vax, Uri <uvax at informatica.com
> <mailto:uvax at informatica.com>> wrote:
>
> Hi
>
> I’m using APIMan 1.1.9.
>
> It seems like Rate-limit policy does not work properly when there are
> several nodes (node1, node2).
>
> *_The scenario:_*
>
> ·Setup up an APIMan cluster with two nodes (node1 , node2).
>
> ·Create a service with a rate-limit policy of 5 request per minute
>
> ·Send requests to the service using postman (or any other http client):
>
> oSend requests to node1 until rate limit is exceeded
>
> oSend another request to node2 – APIMan will pass the request to the
> service end-point API instead of returning the “Rate limit exceeded”
> response
>
> Thanks,
>
> Uri
>
>
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