Hmm, not sure, I am not an expert in Nova. By the way the link I gave you is for Grizzly. If you are running a different release, take a look at that release doc as configuration might look different here.
Dmitry 2013/12/5 Arindam Choudhury <[email protected]> > Hi, > > I introduced this in my nova api-paste.ini: > > [pipeline:openstack_compute_api_v2] > pipeline = faultwrap authtoken keystonecontext ratelimit > osapi_compute_app_v2 > > [pipeline:openstack_volume_api_v1] > pipeline = faultwrap authtoken keystonecontext ratelimit > osapi_volume_app_v1 > > [filter:ratelimit] > paste.filter_factory = > nova.api.openstack.compute.limits:RateLimitingMiddleware.factory > limits =(POST, "*", .*, 100, MINUTE);(POST, "*/servers", ^/servers, 500, > DAY);(PUT, "*", .*, 100, MINUTE);(GET, "*changes-since*", > .*changes-since.*, 30, MINUTE);(DELETE, "*", .*, 100, MINUTE) > > I am getting this error when I try to restart openstack-nova-api: > > > 2013-12-05 12:51:20.035 2350 ERROR nova.wsgi [-] Ambiguous section names > ['composite:openstack_compute_api_v2', 'pipeline:openstack_compute_api_v2'] > for section 'openstack_compute_api_v2' (prefixed by 'app' or 'application' > or 'composite' or 'composit' or 'pipeline' or 'filter-app') found in config > /etc/nova/api-paste.ini > 2013-12-05 12:51:20.044 2549 INFO nova.ec2.wsgi.server [-] (2549) wsgi > starting up on http://0.0.0.0:8773/ > > 2013-12-05 12:51:20.045 2350 CRITICAL nova [-] Could not load paste app > 'osapi_compute' from /etc/nova/api-paste.ini > 2013-12-05 12:51:20.045 2350 TRACE nova Traceback (most recent call last): > 2013-12-05 12:51:20.045 2350 TRACE nova File "/usr/bin/nova-api", line > 61, in <module> > 2013-12-05 12:51:20.045 2350 TRACE nova server = > service.WSGIService(api, use_ssl=should_use_ssl) > 2013-12-05 12:51:20.045 2350 TRACE nova File > "/usr/lib/python2.6/site-packages/nova/service.py", line 598, in __init__ > 2013-12-05 12:51:20.045 2350 TRACE nova self.app = > self.loader.load_app(name) > 2013-12-05 12:51:20.045 2350 TRACE nova File > "/usr/lib/python2.6/site-packages/nova/wsgi.py", line 485, in load_app > 2013-12-05 12:51:20.045 2350 TRACE nova raise > exception.PasteAppNotFound(name=name, path=self.config_path) > 2013-12-05 12:51:20.045 2350 TRACE nova PasteAppNotFound: Could not load > paste app 'osapi_compute' from /etc/nova/api-paste.ini > 2013-12-05 12:51:20.045 2350 TRACE nova > 2013-12-05 12:51:20.407 2549 INFO nova.service [-] Parent process has died > unexpectedly, exiting > > > Regards, > > Arindam > > ------------------------------ > Date: Thu, 5 Dec 2013 15:37:21 +0400 > From: [email protected] > To: [email protected] > Subject: Re: [openstack-dev] [savanna] This request was rate-limited. > (HTTP 413) > > > Hello Arindam, > > While deploying Hadoop cluster Savanna does pretty many API requests to > Nova. Naturally, the number of requests is directly proportional to the > size of the cluster. > > On the other hand Nova has a protection agains users abusing API with too > many requests. It is called rate limiting. You need to set limits higher > than they are right now if you want to spin-up a cluster of that size. You > can find details in the Nova docs: > > http://docs.openstack.org/grizzly/openstack-compute/admin/content//configuring-compute-API.html > > Dmitry > > > 2013/12/5 Arindam Choudhury <[email protected]> > > Hi, > > When I try to create a big hadoop cluster (21 nodes), sometimes I am > getting this error: > > 2013-12-05 12:17:57.920 29553 ERROR savanna.context [-] Thread > 'cluster-creating-8d093d9b-c675-4222-b53a-3319d54bc61f' fails with > exception: 'This request was rate-limited. (HTTP 413)' > 2013-12-05 12:17:57.920 29553 TRACE savanna.context Traceback (most recent > call last): > 2013-12-05 12:17:57.920 29553 TRACE savanna.context File > "/root/savanna/savanna/context.py", line 128, in wrapper > 2013-12-05 12:17:57.920 29553 TRACE savanna.context func(*args, > **kwargs) > 2013-12-05 12:17:57.920 29553 TRACE savanna.context File > "/root/savanna/savanna/service/api.py", line 123, in _provision_cluster > 2013-12-05 12:17:57.920 29553 TRACE savanna.context > i.create_cluster(cluster) > 2013-12-05 12:17:57.920 29553 TRACE savanna.context File > "/root/savanna/savanna/service/instances.py", line 56, in create_cluster > 2013-12-05 12:17:57.920 29553 TRACE savanna.context > _rollback_cluster_creation(cluster, ex) > 2013-12-05 12:17:57.920 29553 TRACE savanna.context File > "/usr/lib64/python2.6/contextlib.py", line 23, in __exit__ > 2013-12-05 12:17:57.920 29553 TRACE savanna.context self.gen.next() > 2013-12-05 12:17:57.920 29553 TRACE savanna.context File > "/root/savanna/savanna/service/instances.py", line 36, in create_cluster > 2013-12-05 12:17:57.920 29553 TRACE savanna.context > _create_instances(cluster) > 2013-12-05 12:17:57.920 29553 TRACE savanna.context File > "/root/savanna/savanna/service/instances.py", line 111, in _create_instances > 2013-12-05 12:17:57.920 29553 TRACE savanna.context > _run_instance(cluster, node_group, idx, aa_groups, userdata) > 2013-12-05 12:17:57.920 29553 TRACE savanna.context File > "/root/savanna/savanna/service/instances.py", line 173, in _run_instance > 2013-12-05 12:17:57.920 29553 TRACE savanna.context > key_name=cluster.user_keypair_id) > 2013-12-05 12:17:57.920 29553 TRACE savanna.context File > "/root/savanna/.tox/venv/lib/python2.6/site-packages/novaclient/v1_1/servers.py", > line 658, in create > 2013-12-05 12:17:57.920 29553 TRACE savanna.context **boot_kwargs) > 2013-12-05 12:17:57.920 29553 TRACE savanna.context File > "/root/savanna/.tox/venv/lib/python2.6/site-packages/novaclient/base.py", > line 402, in _boot > 2013-12-05 12:17:57.920 29553 TRACE savanna.context > return_raw=return_raw, **kwargs) > 2013-12-05 12:17:57.920 29553 TRACE savanna.context File > "/root/savanna/.tox/venv/lib/python2.6/site-packages/novaclient/base.py", > line 145, in _create > 2013-12-05 12:17:57.920 29553 TRACE savanna.context _resp, body = > self.api.client.post(url, body=body) > 2013-12-05 12:17:57.920 29553 TRACE savanna.context File > "/root/savanna/.tox/venv/lib/python2.6/site-packages/novaclient/client.py", > line 232, in post > 2013-12-05 12:17:57.920 29553 TRACE savanna.context return > self._cs_request(url, 'POST', **kwargs) > 2013-12-05 12:17:57.920 29553 TRACE savanna.context File > "/root/savanna/.tox/venv/lib/python2.6/site-packages/novaclient/client.py", > line 213, in _cs_request > 2013-12-05 12:17:57.920 29553 TRACE savanna.context **kwargs) > 2013-12-05 12:17:57.920 29553 TRACE savanna.context File > "/root/savanna/.tox/venv/lib/python2.6/site-packages/novaclient/client.py", > line 195, in _time_request > 2013-12-05 12:17:57.920 29553 TRACE savanna.context resp, body = > self.request(url, method, **kwargs) > 2013-12-05 12:17:57.920 29553 TRACE savanna.context File > "/root/savanna/.tox/venv/lib/python2.6/site-packages/novaclient/client.py", > line 189, in request > 2013-12-05 12:17:57.920 29553 TRACE savanna.context raise > exceptions.from_response(resp, body, url, method) > 2013-12-05 12:17:57.920 29553 TRACE savanna.context OverLimit: This > request was rate-limited. (HTTP 413) > 2013-12-05 12:17:57.920 29553 TRACE savanna.context > > How I can prevent this to happen? Any help will be highly appreciated. > > Regards, > > Arindam > > _______________________________________________ > OpenStack-dev mailing list > [email protected] > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > > > _______________________________________________ OpenStack-dev mailing list > [email protected] > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > _______________________________________________ > OpenStack-dev mailing list > [email protected] > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > >
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