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Re-tune ETCD performance params

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Reduce election timeout to 5000ms (was 10000ms)
Raise heartbeat interval to 250ms (was 100ms)
Remove etcd cpu share (was 300)
Make etcd_cpu_limit and etcd_memory_limit optional.
This commit is contained in:
Matthew Mosesohn
2017-02-07 17:46:02 +03:00
parent 4f13043d14
commit 71e14a13b4
3 changed files with 14 additions and 3 deletions
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3
roles/etcd/templates/etcd.j2
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@@ -4,7 +4,8 @@ ETCD_INITIAL_ADVERTISE_PEER_URLS={{ etcd_peer_url }}
ETCD_INITIAL_CLUSTER_STATE={% if etcd_cluster_is_healthy.rc != 0 | bool %}new{% else %}existing{% endif %}
ETCD_LISTEN_CLIENT_URLS=https://{{ etcd_address }}:2379,https://127.0.0.1:2379
ETCD_ELECTION_TIMEOUT=10000
ETCD_ELECTION_TIMEOUT={{ etcd_election_timeout }}
ETCD_HEARTBEAT_INTERVAL={{ etcd_heartbeat_interval }}
ETCD_INITIAL_CLUSTER_TOKEN=k8s_etcd
ETCD_LISTEN_PEER_URLS=https://{{ etcd_address }}:2380
ETCD_NAME={{ etcd_member_name }}