From 578ac5b348fa3e9c7d0d05e3a0f579839ecd79dd Mon Sep 17 00:00:00 2001 From: Peter Portante Date: Fri, 13 Oct 2017 11:04:49 -0400 Subject: Use "requests" for CPU resources instead of limits We now use a CPU request to ensure logging infrastructure pods are not capped by default for CPU usage. It is still important to ensure we have a minimum amount of CPU. We keep the use of the variables *_cpu_limit so that the existing behavior is maintained. Note that we don't want to cap an infra pod's CPU usage by default, since we want to be able to use the necessary resources to complete it's tasks. Bug 1501960 (https://bugzilla.redhat.com/show_bug.cgi?id=1501960) --- roles/openshift_logging/defaults/main.yml | 34 ++++++++++++++++++++----------- 1 file changed, 22 insertions(+), 12 deletions(-) (limited to 'roles/openshift_logging/defaults/main.yml') diff --git a/roles/openshift_logging/defaults/main.yml b/roles/openshift_logging/defaults/main.yml index 6e7e2557f..3dc792691 100644 --- a/roles/openshift_logging/defaults/main.yml +++ b/roles/openshift_logging/defaults/main.yml @@ -18,20 +18,24 @@ openshift_logging_curator_run_minute: 0 openshift_logging_curator_run_timezone: UTC openshift_logging_curator_script_log_level: INFO openshift_logging_curator_log_level: ERROR -openshift_logging_curator_cpu_limit: 100m -openshift_logging_curator_memory_limit: null +openshift_logging_curator_cpu_limit: null +openshift_logging_curator_memory_limit: 256Mi +openshift_logging_curator_cpu_request: 100m openshift_logging_curator_nodeselector: {} -openshift_logging_curator_ops_cpu_limit: 100m -openshift_logging_curator_ops_memory_limit: null +openshift_logging_curator_ops_cpu_limit: null +openshift_logging_curator_ops_memory_limit: 256Mi +openshift_logging_curator_ops_cpu_request: 100m openshift_logging_curator_ops_nodeselector: {} openshift_logging_kibana_hostname: "{{ 'kibana.' ~ (openshift_master_default_subdomain | default('router.default.svc.cluster.local', true)) }}" openshift_logging_kibana_cpu_limit: null openshift_logging_kibana_memory_limit: 736Mi +openshift_logging_kibana_cpu_request: 100m openshift_logging_kibana_proxy_debug: false openshift_logging_kibana_proxy_cpu_limit: null openshift_logging_kibana_proxy_memory_limit: 256Mi +openshift_logging_kibana_proxy_cpu_request: 100m openshift_logging_kibana_replica_count: 1 openshift_logging_kibana_edge_term_policy: Redirect @@ -53,9 +57,11 @@ openshift_logging_kibana_ca: "" openshift_logging_kibana_ops_hostname: "{{ 'kibana-ops.' ~ (openshift_master_default_subdomain | default('router.default.svc.cluster.local', true)) }}" openshift_logging_kibana_ops_cpu_limit: null openshift_logging_kibana_ops_memory_limit: 736Mi +openshift_logging_kibana_ops_cpu_request: 100m openshift_logging_kibana_ops_proxy_debug: false openshift_logging_kibana_ops_proxy_cpu_limit: null openshift_logging_kibana_ops_proxy_memory_limit: 256Mi +openshift_logging_kibana_ops_proxy_cpu_request: 100m openshift_logging_kibana_ops_replica_count: 1 #The absolute path on the control node to the cert file to use @@ -71,13 +77,14 @@ openshift_logging_kibana_ops_key: "" openshift_logging_kibana_ops_ca: "" openshift_logging_fluentd_nodeselector: {'logging-infra-fluentd': 'true'} -openshift_logging_fluentd_cpu_limit: 100m +openshift_logging_fluentd_cpu_limit: null openshift_logging_fluentd_memory_limit: 512Mi +openshift_logging_fluentd_cpu_request: 100m openshift_logging_fluentd_journal_source: "" openshift_logging_fluentd_journal_read_from_head: "" openshift_logging_fluentd_hosts: ['--all'] -openshift_logging_fluentd_buffer_queue_limit: 1024 -openshift_logging_fluentd_buffer_size_limit: 1m +openshift_logging_fluentd_buffer_queue_limit: 32 +openshift_logging_fluentd_buffer_size_limit: 8m openshift_logging_es_host: logging-es openshift_logging_es_port: 9200 @@ -85,7 +92,8 @@ openshift_logging_es_ca: /etc/fluent/keys/ca openshift_logging_es_client_cert: /etc/fluent/keys/cert openshift_logging_es_client_key: /etc/fluent/keys/key openshift_logging_es_cluster_size: 1 -openshift_logging_es_cpu_limit: 1000m +openshift_logging_es_cpu_limit: null +openshift_logging_es_cpu_request: "1" # the logging appenders for the root loggers to write ES logs. Valid values: 'file', 'console' openshift_logging_es_log_appenders: ['file'] openshift_logging_es_memory_limit: "8Gi" @@ -126,8 +134,9 @@ openshift_logging_es_ops_ca: /etc/fluent/keys/ca openshift_logging_es_ops_client_cert: /etc/fluent/keys/cert openshift_logging_es_ops_client_key: /etc/fluent/keys/key openshift_logging_es_ops_cluster_size: "{{ openshift_logging_elasticsearch_ops_cluster_size | default(1) }}" -openshift_logging_es_ops_cpu_limit: 1000m -openshift_logging_es_ops_memory_limit: "8Gi" +openshift_logging_es_ops_cpu_limit: null +openshift_logging_es_ops_memory_limit: 8Gi +openshift_logging_es_ops_cpu_request: "1" openshift_logging_es_ops_pv_selector: "{{ openshift_loggingops_storage_labels | default('') }}" openshift_logging_es_ops_pvc_dynamic: "{{ openshift_logging_elasticsearch_ops_pvc_dynamic | default(False) }}" openshift_logging_es_ops_pvc_size: "{{ openshift_logging_elasticsearch_ops_pvc_size | default('') }}" @@ -160,8 +169,9 @@ openshift_logging_mux_allow_external: False openshift_logging_use_mux: "{{ openshift_logging_mux_allow_external | default(False) }}" openshift_logging_mux_hostname: "{{ 'mux.' ~ (openshift_master_default_subdomain | default('router.default.svc.cluster.local', true)) }}" openshift_logging_mux_port: 24284 -openshift_logging_mux_cpu_limit: 500m -openshift_logging_mux_memory_limit: 1Gi +openshift_logging_mux_cpu_limit: null +openshift_logging_mux_memory_limit: 512Mi +openshift_logging_mux_cpu_request: 100m # the namespace to use for undefined projects should come first, followed by any # additional namespaces to create by default - users will typically not need to set this openshift_logging_mux_default_namespaces: ["mux-undefined"] -- cgit v1.2.1