Open Stack

Hello All,
I hane an openstack queens installation with centos and since some days
gnocchi api serice reports:


connect_to_tcp()/socket(): Too many open files [core/socket.c line 462]
Tue Sep 24 08:36:24 2019 - *** uWSGI listen queue of socket "127.0.0.1:40000"
(fd: 10) full !!! (101/100) ***
connect_to_tcp()/socket(): Too many open files [core/socket.c line 462]
connect_to_tcp()/socket(): Too many open files [core/socket.c line 462]
Tue Sep 24 08:36:25 2019 - *** uWSGI listen queue of socket "127.0.0.1:40000"
(fd: 10) full !!! (101/100) ***
Tue Sep 24 08:36:26 2019 - *** uWSGI listen queue of socket "127.0.0.1:40000"
(fd: 10) full !!! (101/100) ***
Tue Sep 24 08:36:27 2019 - *** uWSGI listen queue of socket "127.0.0.1:40000"
(fd: 10) full !!! (101/100) ***
Tue Sep 24 08:36:28 2019 - *** uWSGI listen queue of socket "127.0.0.1:40000"
(fd: 10) full !!! (101/100) ***

Please, must I change some limits ?
Where ?
I hahe noy found any uwsgi configuration file for gnocchi api service .
Regards
Ignazio
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