
Neutron-metadata-agent can cause big load on the RPC bus and neutron-server by asking for port details very often. And this can be optimized by simple using cache mechanism provided by oslo.cache module. This feature wasn't really described in our docs so this patch adds short document about why and when use cache in metadata agent, why it's not needed in the neutron-ovn-metadata-agent and how to enable it. Closes-Bug: #2024581 Change-Id: I2c7e496f4c0588eebc1fbf42a43473101f67032f
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Configuration
config-services-agent config-ml2 config-address-scopes config-auto-allocation config-az config-bgp-dynamic-routing config-dhcp-ha config-dns-int config-dns-int-ext-serv config-dns-res config-dvr-ha-snat config-experimental-framework config-fip-port-forwardings config-ipam config-ipv6 config-logging config-macvtap config-metadata-caching config-metadata-rate-limiting config-mtu config-ndp-proxy config-network-segment-ranges config-ovs-dpdk config-ovs-offload config-ovsfwdriver config-qos config-qos-min-bw config-qos-min-pps config-rbac config-routed-networks config-sfc config-sriov config-subnet-pools config-subnet-onboard config-service-subnets config-bgp-floating-ip-over-l2-segmented-network config-trunking config-wsgi
Note
For general configuration, see the Configuration Reference.