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metrics_monitoring.clj
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metrics_monitoring.clj
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(ns onyx.monitoring.metrics-monitoring
(:require [metrics.core :refer [new-registry]]
[metrics.meters :as m :refer [meter rates]]
[metrics.histograms :as h]
[metrics.timers :as t]
[metrics.gauges :as g]
[onyx.static.default-vals :refer [arg-or-default]]
[onyx.extensions :as extensions]
[metrics.counters :as c]
[onyx.protocol.task-state :as task]
[onyx.static.util :refer [ns->ms]]
[taoensso.timbre :refer [warn info]]
[com.stuartsierra.component :as component])
(:import [com.codahale.metrics JmxReporter]
[java.util.concurrent.atomic AtomicLong AtomicInteger]
[com.codahale.metrics Gauge]
[java.util.concurrent TimeUnit]))
(defn job-metric->metric-str [s attribute value]
(let [[t job task lifecycle] (-> s
(clojure.string/replace #"^name=" "")
(clojure.string/split #"[.]"))
lifecycle (clojure.string/replace lifecycle #"-" "_")
tags (format "{job=\"%s\", task=\"%s\",}" job task)]
(format "onyx_job_task_%s_%s%s %s" lifecycle (name attribute) tags value)))
(defn update-timer! [^com.codahale.metrics.Timer timer ms]
(.update timer ms TimeUnit/MILLISECONDS))
(defn update-timer-ns! [^com.codahale.metrics.Timer timer ns]
(.update timer ns TimeUnit/NANOSECONDS))
(defrecord Monitoring []
extensions/IEmitEvent
(extensions/registered? [this event-type]
(get this event-type))
(extensions/emit [this event]
(when-let [f (get this (:event event))]
(f this event)))
component/Lifecycle
(component/start [component]
(let [reg (new-registry)
write-log-entry-bytes (h/histogram reg ["zookeeper" "write-log-entry" "bytes"])
write-log-entry-latency (t/timer reg ["zookeeper" "write-log-entry" "latency"])
write-catalog-bytes (h/histogram reg ["zookeeper" "write-catalog" "bytes"])
write-catalog-latency (t/timer reg ["zookeeper" "write-catalog" "latency"])
write-workflow-bytes (h/histogram reg ["zookeeper" "write-workflow" "bytes"])
write-workflow-latency (t/timer reg ["zookeeper" "write-workflow" "latency"])
write-flow-conditions-bytes (h/histogram reg ["zookeeper" "write-flow-conditions" "bytes"])
write-flow-conditions-latency (t/timer reg ["zookeeper" "write-flow-conditions" "latency"])
write-lifecycles-bytes (h/histogram reg ["zookeeper" "write-lifecycles" "bytes"])
write-lifecycles-latency (t/timer reg ["zookeeper" "write-lifecycles" "latency"])
write-task-bytes (h/histogram reg ["zookeeper" "write-task" "bytes"])
write-task-latency (t/timer reg ["zookeeper" "write-task" "latency"])
write-chunk-bytes (h/histogram reg ["zookeeper" "write-chunk" "bytes"])
write-chunk-latency (t/timer reg ["zookeeper" "write-chunk" "latency"])
write-job-scheduler-bytes (h/histogram reg ["zookeeper" "write-job-scheduler" "bytes"])
write-job-scheduler-latency (t/timer reg ["zookeeper" "write-job-scheduler" "latency"])
write-messaging-bytes (h/histogram reg ["zookeeper" "write-messaging" "bytes"])
write-messaging-latency (t/timer reg ["zookeeper" "write-messaging" "latency"])
force-write-chunk-bytes (h/histogram reg ["zookeeper" "force-write-chunk" "bytes"])
force-write-chunk-latency (t/timer reg ["zookeeper" "force-write-chunk" "latency"])
write-origin-bytes (h/histogram reg ["zookeeper" "write-origin" "bytes"])
write-origin-latency (t/timer reg ["zookeeper" "write-origin" "latency"])
read-log-entry-latency (t/timer reg ["zookeeper" "read-log-entry" "latency"])
read-catalog-latency (t/timer reg ["zookeeper" "read-catalog" "latency"])
read-workflow-latency (t/timer reg ["zookeeper" "read-workflow" "latency"])
read-flow-conditions-latency (t/timer reg ["zookeeper" "read-flow-conditions" "latency"])
read-lifecycles-latency (t/timer reg ["zookeeper" "read-lifecycles" "latency"])
read-task-latency (t/timer reg ["zookeeper" "read-task" "latency"])
read-chunk-latency (t/timer reg ["zookeeper" "read-chunk" "latency"])
read-job-scheduler-latency (t/timer reg ["zookeeper" "read-job-scheduler" "latency"])
read-messaging-latency (t/timer reg ["zookeeper" "read-messaging" "latency"])
force-read-chunk-latency (t/timer reg ["zookeeper" "force-read-chunk" "latency"])
read-origin-latency (t/timer reg ["zookeeper" "read-origin" "latency"])
gc-log-entry-position (g/gauge reg ["zookeeper" "gc-log-entry" "position"])
gc-log-entry-latency (t/timer reg ["zookeeper" "gc-log-entry" "latency"])
group-prepare-join-cnt (c/counter reg ["group" "prepare-join" "event"])
group-accept-join-cnt (c/counter reg ["group" "accept-join" "event"])
group-notify-join-cnt (c/counter reg ["group" "notify-join" "event"])
peer-error-rate (m/meter reg ["peer-group" "peer" "errors"])
peer-group-peer-allocated-proportion (atom 0)
peer-group-gg (g/gauge-fn reg
["peer-group" "peer-allocated-proportion"]
(fn []
(double (deref peer-group-peer-allocated-proportion))))
last-heartbeat (AtomicLong.)
peer-group-heartbeat (g/gauge-fn reg
["peer-group" "since-heartbeat"]
(fn []
(ns->ms (- (System/nanoTime)
(.get ^AtomicLong last-heartbeat)))))
scheduler-lag (AtomicLong. 0)
peer-group-scheduler-lag (g/gauge-fn reg
["peer-group" "scheduler-lag"]
(fn []
(.get ^AtomicLong scheduler-lag)))
number-peer-shutdowns (AtomicLong. 0)
peer-group-num-peer-shutdowns (g/gauge-fn reg
["peer-group" "peers-shutting-down"]
(fn []
(.get ^AtomicLong number-peer-shutdowns)))
peers-shutdown-duration-ms (AtomicLong. 0)
peer-group-shutdown-duration-ms (g/gauge-fn reg
["peer-group" "peers-max-shutdown-duration-ms"]
(fn []
(.get ^AtomicLong peers-shutdown-duration-ms)))
reporter (-> (JmxReporter/forRegistry reg)
(.inDomain "org.onyxplatform")
(.build))
_ (.start ^JmxReporter reporter)]
(info "Started Metrics Reporting to JMX.")
(assoc component
:monitoring :custom
:registry reg
:reporter reporter
:set-scheduler-lag! (fn [^long v] (.set ^AtomicLong scheduler-lag v))
:set-num-peer-shutdowns! (fn [^long v] (.set ^AtomicLong number-peer-shutdowns v))
:set-peer-shutdown-duration-ms! (fn [^long v] (.set ^AtomicLong peers-shutdown-duration-ms v))
:set-peer-group-allocation-proportion! (fn [ratio] (reset! peer-group-peer-allocated-proportion ratio))
:peer-group-heartbeat! (fn [] (.set ^AtomicLong last-heartbeat ^long (System/nanoTime)))
:peer-error! (fn [] (m/mark! peer-error-rate))
:zookeeper-write-log-entry (fn [config metric]
(h/update! write-log-entry-bytes (:bytes metric))
(update-timer! write-log-entry-latency (:latency metric)))
:zookeeper-write-catalog (fn [config metric]
(h/update! write-catalog-bytes (:bytes metric))
(update-timer! write-catalog-latency (:latency metric)))
:zookeeper-write-workflow (fn [config metric]
(h/update! write-workflow-bytes (:bytes metric))
(update-timer! write-workflow-latency (:latency metric)))
:zookeeper-write-flow-conditions (fn [config metric]
(h/update! write-flow-conditions-bytes (:bytes metric))
(update-timer! write-flow-conditions-latency (:latency metric)))
:zookeeper-write-lifecycles (fn [config metric]
(h/update! write-lifecycles-bytes (:bytes metric))
(update-timer! write-lifecycles-latency (:latency metric)))
:zookeeper-write-task (fn [config metric]
(h/update! write-task-bytes (:bytes metric))
(update-timer! write-task-latency (:latency metric)))
:zookeeper-write-chunk (fn [config metric]
(h/update! write-task-bytes (:bytes metric))
(update-timer! write-task-latency (:latency metric)))
:zookeeper-write-job-scheduler (fn [config metric]
(h/update! write-job-scheduler-bytes (:bytes metric))
(update-timer! write-job-scheduler-latency (:latency metric)))
:zookeeper-write-messaging (fn [config metric]
(h/update! write-messaging-bytes (:bytes metric))
(update-timer! write-messaging-latency (:latency metric)))
:zookeeper-force-write-chunk (fn [config metric]
(h/update! force-write-chunk-bytes (:bytes metric))
(update-timer! force-write-chunk-latency (:latency metric)))
:zookeeper-write-origin (fn [config metric]
(h/update! write-origin-bytes (:bytes metric))
(update-timer! write-origin-latency (:latency metric)))
:zookeeper-read-log-entry (fn [config metric]
(update-timer! read-log-entry-latency (:latency metric)))
:zookeeper-read-catalog (fn [config metric]
(update-timer! read-catalog-latency (:latency metric)))
:zookeeper-read-workflow (fn [config metric]
(update-timer! read-workflow-latency (:latency metric)))
:zookeeper-read-flow-conditions (fn [config metric]
(update-timer! read-flow-conditions-latency (:latency metric)))
:zookeeper-read-lifecycles (fn [config metric]
(update-timer! read-lifecycles-latency (:latency metric)))
:zookeeper-read-task (fn [config metric]
(update-timer! read-task-latency (:latency metric)))
:zookeeper-read-chunk (fn [config metric]
(update-timer! read-chunk-latency (:latency metric)))
:zookeeper-read-origin (fn [config metric]
(update-timer! read-origin-latency (:latency metric)))
:zookeeper-read-job-scheduler (fn [config metric]
(update-timer! read-job-scheduler-latency (:latency metric)))
:zookeeper-read-messaging (fn [config metric]
(update-timer! read-messaging-latency (:latency metric)))
:zookeeper-gc-log-entry (fn [config metric]
(h/update! gc-log-entry-position (:position metric))
(update-timer! gc-log-entry-latency (:latency metric)))
:group-prepare-join (fn [config metric]
(c/inc! group-prepare-join-cnt))
:group-notify-join (fn [config metric]
(c/inc! group-notify-join-cnt))
:group-accept-join (fn [config metric]
(c/inc! group-accept-join-cnt)))))
(component/stop [{:keys [registry reporter] :as component}]
(info "Stopping Metrics Reporting to JMX.")
(.stop ^JmxReporter reporter)
(metrics.core/remove-metrics registry (fn [_] true))
(assoc component :registry nil :reporter nil)))
(defn new-monitoring []
(map->Monitoring {}))
(defn new-lifecycle-latency [reg tag lifecycle]
(let [timer ^com.codahale.metrics.Timer (t/timer reg (into tag ["task-lifecycle" (name lifecycle)]))]
(fn [state latency-ns]
(.update timer latency-ns TimeUnit/NANOSECONDS))))
(defn new-read-batch [reg tag lifecycle]
(let [throughput (m/meter reg (conj tag (clojure.string/join "_" ["task-lifecycle" (name lifecycle) "throughput"])))
timer ^com.codahale.metrics.Timer (t/timer reg (into tag ["task-lifecycle" (name lifecycle)]))]
(fn [state latency-ns]
(let [size (count (:onyx.core/batch (task/get-event state)))]
(when-not (zero? size)
(m/mark! throughput size)
(.update timer latency-ns TimeUnit/NANOSECONDS))))))
(defn count-written-batch [state]
(count (:onyx.core/write-batch (task/get-event state))))
(defn new-write-batch [reg tag lifecycle]
(let [throughput (m/meter reg (conj tag (clojure.string/join "_" ["task-lifecycle" (name lifecycle) "throughput"])))
timer ^com.codahale.metrics.Timer (t/timer reg (into tag ["task-lifecycle" (name lifecycle)]))
accum (AtomicLong. 0)]
(fn [state latency-ns]
(let [total (.addAndGet accum latency-ns)]
(when (task/advanced? state)
(let [cnt (count-written-batch state)]
(.set accum 0)
(when-not (zero? cnt)
(.update timer total TimeUnit/NANOSECONDS)
(m/mark! throughput cnt))))))))
(defn update-rv-epoch [^AtomicLong replica-version ^AtomicLong epoch epoch-rate]
(fn [state latency-ns]
(m/mark! epoch-rate 1)
(.set ^AtomicLong replica-version (task/replica-version state))
(.set ^AtomicLong epoch (task/epoch state))))
(defn cleanup-keyword [k]
(if-let [n (namespace k)]
(str n "/" (name k))
(name k)))
(defn normalize-tag [tag]
(-> tag
(clojure.string/replace "." "_")
(clojure.string/replace ":" "")))
(defrecord TaskMonitoring [event]
extensions/IEmitEvent
(extensions/registered? [this event-type]
(get this event-type))
(extensions/emit [this event]
(when-let [f (get this (:event event))]
(f this event)))
component/Lifecycle
(component/start [component]
(let [{:keys [onyx.core/job-id onyx.core/id onyx.core/slot-id onyx.core/monitoring
onyx.core/since-barrier-count onyx.core/task onyx.core/metadata
onyx.core/job-name onyx.core/peer-opts]} event
lifecycles (arg-or-default :onyx.peer.metrics/lifecycles peer-opts)
job-name (cond-> job-name
(keyword? job-name) cleanup-keyword)
extra-tags (get-in metadata [:tags task])
task-name (cleanup-keyword task)
task-registry (new-registry)
tag (into (mapv str ["job-name" job-name "job-id" job-id "task" task-name "slot-id" slot-id "peer-id" id])
(map normalize-tag (reduce into [] extra-tags)))
replica-version (AtomicLong.)
epoch (AtomicLong.)
task-state-index (AtomicInteger.)
task-state-index-gg (g/gauge-fn task-registry (conj tag "lifecycle-index") (fn [] (.get ^AtomicInteger task-state-index)))
written-bytes (AtomicLong.)
written-bytes-gg (g/gauge-fn task-registry (conj tag "written-bytes") (fn [] (.get ^AtomicLong written-bytes)))
since-barrier (g/gauge-fn task-registry (conj tag "segments-since-barrier") (fn [] (.get ^AtomicLong since-barrier-count)))
replica-version-gg (g/gauge-fn task-registry (conj tag "replica-version") (fn [] (.get ^AtomicLong replica-version)))
epoch-gg (g/gauge-fn task-registry (conj tag "epoch") (fn [] (.get ^AtomicLong epoch)))
epoch-rate (m/meter task-registry (conj tag "epoch-rate"))
update-rv-epoch-fn (update-rv-epoch replica-version epoch epoch-rate)
batch-serialization-latency ^com.codahale.metrics.Timer (t/timer task-registry (into tag ["serialization-latency"]))
written-bytes (AtomicLong.)
written-bytes-gg (g/gauge-fn task-registry (conj tag "written-bytes") (fn [] (.get ^AtomicLong written-bytes)))
publication-errors (AtomicLong.)
publication-errors-gg (g/gauge-fn task-registry (conj tag "publication-errors") (fn [] (.get ^AtomicLong publication-errors)))
checkpoint-written-bytes (AtomicLong.)
checkpoint-written-bytes-gg (g/gauge-fn task-registry (conj tag "checkpoint-written-bytes") (fn [] (.get ^AtomicLong checkpoint-written-bytes)))
checkpoint-read-bytes (AtomicLong.)
checkpoint-read-bytes-gg (g/gauge-fn task-registry (conj tag "checkpoint-read-bytes") (fn [] (.get ^AtomicLong checkpoint-read-bytes)))
read-bytes (AtomicLong.)
read-bytes-gg (g/gauge-fn task-registry (conj tag "read-bytes") (fn [] (.get ^AtomicLong read-bytes)))
subscription-errors (AtomicLong.)
subscription-errors-gg (g/gauge-fn task-registry (conj tag "subscription-errors") (fn [] (.get ^AtomicLong subscription-errors)))
since-received-heartbeat ^com.codahale.metrics.Timer (t/timer task-registry (into tag ["since-received-heartbeat"]))
last-heartbeat (AtomicLong. (System/nanoTime))
peer-heartbeat (g/gauge-fn task-registry
(conj tag "since-heartbeat")
(fn []
(ns->ms (- (System/nanoTime)
(.get ^AtomicLong last-heartbeat)))))
time-init-state (AtomicLong. (System/nanoTime))
time-in-state-gg (g/gauge-fn task-registry
(conj tag "current-lifecycle-duration")
(fn []
(ns->ms (- (System/nanoTime)
(.get ^AtomicLong time-init-state)))))
checkpoint-serialization-latency ^com.codahale.metrics.Timer (t/timer task-registry (into tag ["checkpoint-serialization-latency"]))
checkpoint-store-latency ^com.codahale.metrics.Timer (t/timer task-registry (into tag ["checkpoint-store-latency"]))
checkpoint-size (AtomicLong.)
checkpoint-size-gg (g/gauge-fn task-registry (conj tag "checkpoint-size") (fn [] (.get ^AtomicLong checkpoint-size)))
read-offset (AtomicLong.)
read-offset-gg (g/gauge-fn task-registry (conj tag "offset") (fn [] (.get ^AtomicLong read-offset)))
lag-gauge (AtomicLong. -1)
lag-gauge-gg (g/gauge-fn task-registry (conj tag "lag") (fn [] (.get ^AtomicLong lag-gauge)))
coordinator-watermark-gauge (AtomicLong. -1)
coordinator-watermark-gg (g/gauge-fn task-registry (conj tag "coordinator-watermark")
(fn [] (.get ^AtomicLong coordinator-watermark-gauge)))
workflow-watermark-gauge (AtomicLong. -1)
workflow-watermark-gg (g/gauge-fn task-registry (conj tag "workflow-watermark")
(fn [] (.get ^AtomicLong workflow-watermark-gauge)))
recover-latency ^com.codahale.metrics.Timer (t/timer task-registry (into tag ["recover-latency"]))
reporter (-> (JmxReporter/forRegistry task-registry)
(.inDomain "org.onyxplatform")
(.build))
_ (.start ^JmxReporter reporter)]
(info "Starting Task Metrics Reporter. Starting reporting to JMX.")
(reduce
(fn [mon lifecycle]
(assoc mon
lifecycle
(case lifecycle
:lifecycle/unblock-subscribers update-rv-epoch-fn
:lifecycle/read-batch (new-read-batch task-registry tag :lifecycle/read-batch)
:lifecycle/write-batch (new-write-batch task-registry tag :lifecycle/write-batch)
(new-lifecycle-latency task-registry tag lifecycle))))
(assoc component
:id id
:written-bytes written-bytes
:publication-errors publication-errors
:read-bytes read-bytes
:subscription-errors subscription-errors
:task-state-index task-state-index
:checkpoint-written-bytes checkpoint-written-bytes
:checkpoint-read-bytes checkpoint-read-bytes
:checkpoint-serialization-latency checkpoint-serialization-latency
:checkpoint-store-latency checkpoint-store-latency
:checkpoint-size checkpoint-size
:checkpoint-written-bytes checkpoint-written-bytes
:coordinator-watermark coordinator-watermark-gauge
:workflow-watermark workflow-watermark-gauge
:read-offset read-offset
:lag-gauge lag-gauge
:recover-latency recover-latency
:last-heartbeat last-heartbeat
:time-init-state time-init-state
:since-received-heartbeat since-received-heartbeat
:monitoring :custom
:registry task-registry
:reporter reporter)
lifecycles)))
(component/stop [{:keys [registry reporter id] :as component}]
(info id "Stopping Task Metrics Reporter. Stopped reporting to JMX.")
(.stop ^JmxReporter reporter)
(metrics.core/remove-metrics registry (fn [_] true))
(assoc component :registry nil :reporter nil)))
(defn new-task-monitoring [event]
(->TaskMonitoring event))