Careful!
You are browsing documentation for a version of Kuma that is not the latest release.
Looking for even older versions? Learn more.
CircuitBreaker
-
sources
(required, repeated)List of selectors to match dataplanes that are sources of traffic.
-
destinations
(required, repeated)List of selectors to match services that are destinations of traffic.
-
conf
(required)Child properties:
-
interval
(optional)Time interval between ejection analysis sweeps
-
baseejectiontime
(optional)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
-
maxejectionpercent
(optional)The maximum percent of an upstream cluster that can be ejected due to outlier detection, has to be in [0 - 100] range
-
splitexternalandlocalerrors
(optional)Enables Split Mode in which local and external errors are distinguished
-
detectors
(optional)Child properties:
-
totalerrors
(optional)Errors with status code 5xx and locally originated errors, in Split Mode - just errors with status code 5xx
Child properties:
consecutive
(optional)
-
gatewayerrors
(optional)Subset of ‘total’ related to gateway errors (502, 503 or 504 status code)
Child properties:
consecutive
(optional)
-
localerrors
(optional)Takes into account only in Split Mode, number of locally originated errors
Child properties:
consecutive
(optional)
-
standarddeviation
(optional)Child properties:
-
requestvolume
(optional)Ignore hosts with less number of requests than ‘requestVolume’
-
minimumhosts
(optional)Won’t count success rate for cluster if number of hosts with required ‘requestVolume’ is less than ‘minimumHosts’
-
factor
(optional)Resulting threshold = mean - (stdev * factor)
-
-
failure
(optional)Child properties:
-
requestvolume
(optional)Ignore hosts with less number of requests than ‘requestVolume’
-
minimumhosts
(optional)Won’t count success rate for cluster if number of hosts with required ‘requestVolume’ is less than ‘minimumHosts’
-
threshold
(optional)Eject host if failure percentage of a given host is greater than or equal to this value, has to be in [0 - 100] range
-
-
-
thresholds
(optional)Child properties:
-
maxconnections
(optional)The maximum number of connections that Envoy will make to the upstream cluster. If not specified, the default is 1024.
-
maxpendingrequests
(optional)The maximum number of pending requests that Envoy will allow to the upstream cluster. If not specified, the default is 1024.
-
maxretries
(optional)The maximum number of parallel retries that Envoy will allow to the upstream cluster. If not specified, the default is 3.
-
maxrequests
(optional)The maximum number of parallel requests that Envoy will make to the upstream cluster. If not specified, the default is 1024.
-
-