// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package snap
import "github.com/coreos/etcd/Godeps/_workspace/src/github.com/prometheus/client_golang/prometheus"
var (
// TODO: save_fsync latency?
saveDurations = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "snapshot",
Name: "save_total_durations_seconds",
Help: "The total latency distributions of save called by snapshot.",
Buckets: prometheus.ExponentialBuckets(0.001, 2, 14),
})
marshallingDurations = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "snapshot",
Name: "save_marshalling_durations_seconds",
Help: "The marshalling cost distributions of save called by snapshot.",
Buckets: prometheus.ExponentialBuckets(0.001, 2, 14),
})
)
func init() {
prometheus.MustRegister(saveDurations)
prometheus.MustRegister(marshallingDurations)
}
pendingEventsGauge = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: "etcd",
Subsystem: "storage",
Name: "pending_events_total",
Help: "Total number of pending events to be sent.",
})
indexCompactionPauseDurations = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "storage",
Name: "index_compaction_pause_duration_milliseconds",
Help: "Bucketed histogram of index compaction puase duration.",
// 0.5ms -> 1second
Buckets: prometheus.ExponentialBuckets(0.5, 2, 12),
})
dbCompactionPauseDurations = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "storage",
Name: "db_compaction_pause_duration_milliseconds",
Help: "Bucketed histogram of db compaction puase duration.",
// 1ms -> 4second
Buckets: prometheus.ExponentialBuckets(1, 2, 13),
})
dbCompactionTotalDurations = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: "etcd",
requestsDropped = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "etcd",
Subsystem: "proxy",
Name: "dropped_total",
Help: "Counter of requests dropped on the proxy.",
}, []string{"method", "proxying_error"})
requestsHandlingTime = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "proxy",
Name: "handling_duration_seconds",
Help: "Bucketed histogram of handling time of successful events (non-watches), by method " +
"(GET/PUT etc.).",
Buckets: prometheus.ExponentialBuckets(0.0005, 2, 13),
}, []string{"method"})
)
type forwardingError string
const (
zeroEndpoints forwardingError = "zero_endpoints"
failedSendingRequest forwardingError = "failed_sending_request"
failedGettingResponse forwardingError = "failed_getting_response"
)
func init() {
prometheus.MustRegister(requestsIncoming)
prometheus.MustRegister(requestsHandled)
prometheus.MustRegister(requestsDropped)