1 ###############################################################################
2 # ============LICENSE_START=======================================================
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21 ###############################################################################
22 ###############################################################################
24 ## Cambria API Server config
26 ## - Default values are shown as commented settings.
30 ###############################################################################
34 ## - 3904 is standard as of 7/29/14.
35 ## - At this time, Cambria always binds to 0.0.0.0
37 cambria.service.port=${CAMBRIA_SERVICE_PORT}
39 ###############################################################################
43 ## The Cambria server can run either as a memory-only implementation, meant
44 ## for testing, or against Kafka. For a memory-only server, use "memory" for
45 ## the broker.type setting.
47 broker.type=${CAMBRIA_BROKER_TYPE}
49 ###############################################################################
51 ## Zookeeper Connection
53 ## Both Cambria and Kafka make use of Zookeeper.
55 config.zk.servers=${CAMBRIA_ZOOKEEPER_NODES}
56 config.zk.root=/fe3c/cambria/config
59 ###############################################################################
63 ## Items below are passed through to Kafka's producer and consumer
64 ## configurations (after removing "kafka.")
66 kafka.metadata.broker.list=${KAFKA_BROKER_LIST}
67 kafka.client.zookeeper=${CAMBRIA_ZOOKEEPER_NODES}
69 ###############################################################################
73 ## Some data stored in the config system is sensitive -- API keys and secrets,
74 ## for example. to protect it, we use an encryption layer for this section
77 ## The key is a base64 encode AES key. This must be created/configured for
79 #cambria.secureConfig.key=
81 ## The initialization vector is a 16 byte value specific to the secured store.
82 ## This must be created/configured for each installation.
83 #cambria.secureConfig.iv=
85 ###############################################################################
89 ## Kafka expects live connections from the consumer to the broker, which
90 ## obviously doesn't work over connectionless HTTP requests. The Cambria
91 ## server proxies HTTP requests into Kafka consumer sessions that are kept
92 ## around for later re-use. Not doing so is costly for setup per request,
93 ## which would substantially impact a high volume consumer's performance.
95 ## This complicates Cambria server failover, because we often need server
96 ## A to close its connection before server B brings up the replacement.
99 ## The consumer cache is normally enabled.
100 cambria.consumer.cache.enabled=true
102 ## Cached consumers are cleaned up after a period of disuse. The server inspects
103 ## consumers every sweepFreqSeconds and will clean up any connections that are
104 ## dormant for touchFreqMs.
105 cambria.consumer.cache.sweepFreqSeconds=15
106 cambria.consumer.cache.touchFreqMs=120000
108 ## The cache is managed through ZK. The default value for the ZK connection
109 ## string is the same as config.zk.servers.
110 cambria.consumer.cache.zkConnect=${CAMBRIA_ZOOKEEPER_NODES}
113 ## Shared cache information is associated with this node's name. The default
114 ## name is the hostname plus the HTTP service port this host runs on. (The
115 ## hostname is determined via InetAddress.getLocalHost ().getCanonicalHostName(),
116 ## which is not always adequate.) You can set this value explicitly here.
118 #cambria.api.node.identifier=<use-something-unique-to-this-instance>
120 ###############################################################################
124 ## This server can report its metrics periodically on a topic.
126 metrics.send.cambria.enabled=true
127 metrics.send.cambria.baseUrl=localhost:${CAMBRIA_SERVICE_PORT}
128 metrics.send.cambria.topic=cambria.apinode.metrics
129 metrics.send.cambria.sendEverySeconds=60