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syntax = "proto3"; | ||
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package envoy.config.cluster.v3; | ||
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import "google/protobuf/duration.proto"; | ||
import "google/protobuf/wrappers.proto"; | ||
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import "udpa/annotations/status.proto"; | ||
import "udpa/annotations/versioning.proto"; | ||
import "validate/validate.proto"; | ||
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option java_package = "io.envoyproxy.envoy.config.cluster.v3"; | ||
option java_outer_classname = "OutlierDetectionProto"; | ||
option java_multiple_files = true; | ||
option go_package = "github.com/envoyproxy/go-control-plane/envoy/config/cluster/v3;clusterv3"; | ||
option (udpa.annotations.file_status).package_version_status = ACTIVE; | ||
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// [#protodoc-title: Outlier detection] | ||
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// See the :ref:`architecture overview <arch_overview_outlier_detection>` for | ||
// more information on outlier detection. | ||
// [#next-free-field: 24] | ||
message OutlierDetection { | ||
option (udpa.annotations.versioning).previous_message_type = | ||
"envoy.api.v2.cluster.OutlierDetection"; | ||
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// The number of consecutive server-side error responses (for HTTP traffic, | ||
// 5xx responses; for TCP traffic, connection failures; for Redis, failure to | ||
// respond PONG; etc.) before a consecutive 5xx ejection occurs. Defaults to 5. | ||
google.protobuf.UInt32Value consecutive_5xx = 1; | ||
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// The time interval between ejection analysis sweeps. This can result in | ||
// both new ejections as well as hosts being returned to service. Defaults | ||
// to 10000ms or 10s. | ||
google.protobuf.Duration interval = 2 [(validate.rules).duration = {gt {}}]; | ||
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// The base time that a host is ejected for. The real time is equal to the | ||
// base time multiplied by the number of times the host has been ejected and is | ||
// capped by :ref:`max_ejection_time<envoy_v3_api_field_config.cluster.v3.OutlierDetection.max_ejection_time>`. | ||
// Defaults to 30000ms or 30s. | ||
google.protobuf.Duration base_ejection_time = 3 [(validate.rules).duration = {gt {}}]; | ||
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// The maximum % of an upstream cluster that can be ejected due to outlier | ||
// detection. Defaults to 10% but will eject at least one host regardless of the value. | ||
google.protobuf.UInt32Value max_ejection_percent = 4 [(validate.rules).uint32 = {lte: 100}]; | ||
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// The % chance that a host will be actually ejected when an outlier status | ||
// is detected through consecutive 5xx. This setting can be used to disable | ||
// ejection or to ramp it up slowly. Defaults to 100. | ||
google.protobuf.UInt32Value enforcing_consecutive_5xx = 5 [(validate.rules).uint32 = {lte: 100}]; | ||
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// The % chance that a host will be actually ejected when an outlier status | ||
// is detected through success rate statistics. This setting can be used to | ||
// disable ejection or to ramp it up slowly. Defaults to 100. | ||
google.protobuf.UInt32Value enforcing_success_rate = 6 [(validate.rules).uint32 = {lte: 100}]; | ||
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// The number of hosts in a cluster that must have enough request volume to | ||
// detect success rate outliers. If the number of hosts is less than this | ||
// setting, outlier detection via success rate statistics is not performed | ||
// for any host in the cluster. Defaults to 5. | ||
google.protobuf.UInt32Value success_rate_minimum_hosts = 7; | ||
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// The minimum number of total requests that must be collected in one | ||
// interval (as defined by the interval duration above) to include this host | ||
// in success rate based outlier detection. If the volume is lower than this | ||
// setting, outlier detection via success rate statistics is not performed | ||
// for that host. Defaults to 100. | ||
google.protobuf.UInt32Value success_rate_request_volume = 8; | ||
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// This factor is used to determine the ejection threshold for success rate | ||
// outlier ejection. The ejection threshold is the difference between the | ||
// mean success rate, and the product of this factor and the standard | ||
// deviation of the mean success rate: mean - (stdev * | ||
// success_rate_stdev_factor). This factor is divided by a thousand to get a | ||
// double. That is, if the desired factor is 1.9, the runtime value should | ||
// be 1900. Defaults to 1900. | ||
google.protobuf.UInt32Value success_rate_stdev_factor = 9; | ||
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// The number of consecutive gateway failures (502, 503, 504 status codes) | ||
// before a consecutive gateway failure ejection occurs. Defaults to 5. | ||
google.protobuf.UInt32Value consecutive_gateway_failure = 10; | ||
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// The % chance that a host will be actually ejected when an outlier status | ||
// is detected through consecutive gateway failures. This setting can be | ||
// used to disable ejection or to ramp it up slowly. Defaults to 0. | ||
google.protobuf.UInt32Value enforcing_consecutive_gateway_failure = 11 | ||
[(validate.rules).uint32 = {lte: 100}]; | ||
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// Determines whether to distinguish local origin failures from external errors. If set to true | ||
// the following configuration parameters are taken into account: | ||
// :ref:`consecutive_local_origin_failure<envoy_v3_api_field_config.cluster.v3.OutlierDetection.consecutive_local_origin_failure>`, | ||
// :ref:`enforcing_consecutive_local_origin_failure<envoy_v3_api_field_config.cluster.v3.OutlierDetection.enforcing_consecutive_local_origin_failure>` | ||
// and | ||
// :ref:`enforcing_local_origin_success_rate<envoy_v3_api_field_config.cluster.v3.OutlierDetection.enforcing_local_origin_success_rate>`. | ||
// Defaults to false. | ||
bool split_external_local_origin_errors = 12; | ||
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// The number of consecutive locally originated failures before ejection | ||
// occurs. Defaults to 5. Parameter takes effect only when | ||
// :ref:`split_external_local_origin_errors<envoy_v3_api_field_config.cluster.v3.OutlierDetection.split_external_local_origin_errors>` | ||
// is set to true. | ||
google.protobuf.UInt32Value consecutive_local_origin_failure = 13; | ||
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// The % chance that a host will be actually ejected when an outlier status | ||
// is detected through consecutive locally originated failures. This setting can be | ||
// used to disable ejection or to ramp it up slowly. Defaults to 100. | ||
// Parameter takes effect only when | ||
// :ref:`split_external_local_origin_errors<envoy_v3_api_field_config.cluster.v3.OutlierDetection.split_external_local_origin_errors>` | ||
// is set to true. | ||
google.protobuf.UInt32Value enforcing_consecutive_local_origin_failure = 14 | ||
[(validate.rules).uint32 = {lte: 100}]; | ||
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// The % chance that a host will be actually ejected when an outlier status | ||
// is detected through success rate statistics for locally originated errors. | ||
// This setting can be used to disable ejection or to ramp it up slowly. Defaults to 100. | ||
// Parameter takes effect only when | ||
// :ref:`split_external_local_origin_errors<envoy_v3_api_field_config.cluster.v3.OutlierDetection.split_external_local_origin_errors>` | ||
// is set to true. | ||
google.protobuf.UInt32Value enforcing_local_origin_success_rate = 15 | ||
[(validate.rules).uint32 = {lte: 100}]; | ||
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// The failure percentage to use when determining failure percentage-based outlier detection. If | ||
// the failure percentage of a given host is greater than or equal to this value, it will be | ||
// ejected. Defaults to 85. | ||
google.protobuf.UInt32Value failure_percentage_threshold = 16 | ||
[(validate.rules).uint32 = {lte: 100}]; | ||
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// The % chance that a host will be actually ejected when an outlier status is detected through | ||
// failure percentage statistics. This setting can be used to disable ejection or to ramp it up | ||
// slowly. Defaults to 0. | ||
// | ||
// [#next-major-version: setting this without setting failure_percentage_threshold should be | ||
// invalid in v4.] | ||
google.protobuf.UInt32Value enforcing_failure_percentage = 17 | ||
[(validate.rules).uint32 = {lte: 100}]; | ||
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// The % chance that a host will be actually ejected when an outlier status is detected through | ||
// local-origin failure percentage statistics. This setting can be used to disable ejection or to | ||
// ramp it up slowly. Defaults to 0. | ||
google.protobuf.UInt32Value enforcing_failure_percentage_local_origin = 18 | ||
[(validate.rules).uint32 = {lte: 100}]; | ||
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// The minimum number of hosts in a cluster in order to perform failure percentage-based ejection. | ||
// If the total number of hosts in the cluster is less than this value, failure percentage-based | ||
// ejection will not be performed. Defaults to 5. | ||
google.protobuf.UInt32Value failure_percentage_minimum_hosts = 19; | ||
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// The minimum number of total requests that must be collected in one interval (as defined by the | ||
// interval duration above) to perform failure percentage-based ejection for this host. If the | ||
// volume is lower than this setting, failure percentage-based ejection will not be performed for | ||
// this host. Defaults to 50. | ||
google.protobuf.UInt32Value failure_percentage_request_volume = 20; | ||
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// The maximum time that a host is ejected for. See :ref:`base_ejection_time<envoy_v3_api_field_config.cluster.v3.OutlierDetection.base_ejection_time>` | ||
// for more information. If not specified, the default value (300000ms or 300s) or | ||
// :ref:`base_ejection_time<envoy_v3_api_field_config.cluster.v3.OutlierDetection.base_ejection_time>` value is applied, whatever is larger. | ||
google.protobuf.Duration max_ejection_time = 21 [(validate.rules).duration = {gt {}}]; | ||
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// The maximum amount of jitter to add to the ejection time, in order to prevent | ||
// a 'thundering herd' effect where all proxies try to reconnect to host at the same time. | ||
// See :ref:`max_ejection_time_jitter<envoy_v3_api_field_config.cluster.v3.OutlierDetection.base_ejection_time>` | ||
// Defaults to 0s. | ||
google.protobuf.Duration max_ejection_time_jitter = 22; | ||
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// If active health checking is enabled and a host is ejected by outlier detection, a successful active health check | ||
// unejects the host by default and considers it as healthy. Unejection also clears all the outlier detection counters. | ||
// To change this default behavior set this config to ``false`` where active health checking will not uneject the host. | ||
// Defaults to true. | ||
google.protobuf.BoolValue successful_active_health_check_uneject_host = 23; | ||
} |
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