This section lists the metrics that Oracle Traffic Director tracks for origin server pools and origin servers. For each metric, the object name in the SNMP MIB and the names of the corresponding element and attribute in the stats-xml report are provided.
Table A-8 Origin Server Metrics
| Metric | Object Name in the SNMP MIB | stats-xml Element: Attribute |
|---|---|---|
|
Number of times a request was retried (to same or different origin server) |
serverPoolCountRetries |
server-pool: countRetries |
|
Type of the server pool |
server-pool:type |
|
|
Type of origin-server, whether a Weblogic server, a generic HTTP server or not unable to detect |
origin-server-bucket: type |
|
|
Flag indicating whether the node was dynamically discovered |
originServerDiscoveryStatus |
origin-server-bucket: flagDiscovered |
|
Flag indicating whether the node is fully ramped up |
originServerRampedupStatus |
origin-server-bucket: flagRampedUp |
|
Flag indicating whether the origin server is a backup node |
originServerBackupStatus |
origin-server-bucket: flagBackup |
|
Status indicating whether the origin server is currently marked online |
originServerRunningStatus |
origin-server-bucket: status |
|
Total time, in seconds, since the origin server was marked online |
originServerRunningTime |
origin-server-bucket: secondsOnline |
|
Total number of times the origin server was marked offline |
originServerCountOffline |
origin-server-bucket: countDetectedOffline |
|
Total number of bytes transmitted to the origin server |
originServerCountBytesTransmitted |
origin-server-bucket: countBytesTransmitted |
|
Total number of bytes received from the origin server |
originServerCountBytesReceived |
origin-server-bucket: countBytesReceived |
|
Total number of open connections to the origin server for which requests are getting processed |
originServerCountActiveConnections |
origin-server-bucket: countActiveConnections |
|
Total number of idle connections to the origin server |
originServerCountIdleConnections |
origin-server-bucket: countIdleConnections |
|
Total number of active connections belonging to sticky requests when time statistics were collected |
originServerCountActiveStickyConnections |
origin-server-bucket:countActiveStickyConnections |
|
Total number of times a connection to the origin server was attempted |
originServerCountConnectAttempts |
origin-server-bucket: countConnectAttempts |
|
Total number of times an attempt to connect to the origin server failed |
originServerCountConnectFailures |
origin-server-bucket: countConnectFailures |
|
Total number of requests that were aborted when proxying requests with this origin server |
originServerCountRequestsAborted |
origin-server-bucket: countRequestsAborted |
|
Total number of times the request timed out when sending or receiving data from the origin server |
originServerCountRequestsTimedout |
origin-server-bucket: countRequestsTimedout |
|
Total number of requests served by the origin server |
originServerCountRequests |
origin-server-bucket: countRequests |
|
Total number of health check requests |
originServerCountHealthCheckRequests |
origin-server-bucket:countHealthCheckRequests |
|
Total number of connections closed |
originServerCountConnectionsClosed |
origin-server-bucket:countConnectionsClosed |
|
Total number of keep-alive connections closed by the origin server |
originServerCountConnectionsClosedByOriginServer |
origin-server-bucket:countConnectionsClosedByOriginServer |
|
Dynamically calculated keep-alive timeout value for the origin server |
originServerSecondsKeepAliveTimeout |
origin-server-bucket:secondsKeepAliveTimeout |
|
Total number of sticky requests |
originServerCountStickyRequests |
origin-server-bucket:countStickyRequests |
|
Dynamic weight detected based on response time (applicable when algorithm is least-response-time) |
originServerWeightResponseTime |
origin-server-bucket:weightResponseTime |
|
Type of origin-server (generic/weblogic/undetected) |
originServerType |
origin-server-bucket:type |
|
Average duration of active time in milliseconds |
originServerMillisecondsConnectionActiveAverage |
origin-server-bucket:millisecondsConnectionActiveAverage |