Modern Monitoring [ with Prometheus ]

1. Tikal KnowledgeTikal Knowledge Haggai Philip Zagury - DevOps Group Lead - Tikal Knowledge

2. FullStack Developers Israel INTRO - WHO WE ARE WHO WE ARE ? ▸ Tikal helps ISV’s in Israel & abroad in their technological challenges. ▸ Our Engineers are Fullstack Developers with expertise in Android, DevOps, Java, JS, Ruby & Python ▸ We are passionate about technology and specialize in OpenSource technologies. ▸ Our Tech and Group leaders help establish & enhance existing software teams with innovative & creative thinking. https://www.meetup.com/full-stack-developer-il/

3. INTRODUCTION TO MODERN MONITORING CURRENT STATUS [ INFRASTRUCTURE ] ▸ AWS, Cloud, Hybrid / Multi Cloud ▸ Define metrics and system health based on experience and application specific behaviors. ▸ Many False Positives ▸ Scaling is hard [ semi-auto, manual ] Tikal Knowledge

4. INTRODUCTION TO MODERN MONITORING COMMON MONITORING STATUS ▸ OPS own monitoring domain ▸ Define metrics and system health based on experience and application specific behaviours. ▸ Many False Positives ▸ Scaling is hard [ semi-auto, manual ] Tikal Knowledge

5. INTRODUCTION TO MODERN MONITORING COMMON MONITORING SOLUTIONS ▸ cloud watch ▸ new relic ▸ Nagios ▸ App Dynamics ▸ Data Dog ▸ Many more …. Tikal Knowledge

6. INTRODUCTION TO MODERN MONITORING GOALS ▸ Improve existing monitoring and RCA indicators ▸ Reduce false positives & ‘customer driven alerting’ ▸ Proactively identify data anomalies / diversions ▸ Provide meaningful / intelligent notifications [ severity, SLA compliance etc ] ▸ Proactively remediate commonly known issues, or set the foundation of a robust substitute ▸ Provide KPI integration policy & methodology for both DevOps & R&D teams Tikal Knowledge

7. INTRODUCTION TO MODERN MONITORING CHALLENGES ▸ Preserve the knowledge and insights in the existing Monitoring system ▸ Cultural changes: ▸ APM is part of the development process ▸ Monitoring tools are part of the developer stack (or he will wake up on any issue with his code/app) ▸ On-call isn’t only for OPS … Everybody’s accountable ▸ breakdown the “wall of confusion” between dev and ops Tikal Knowledge

8. PHILOSOPHY Tikal Knowledge

9. The Gap of Traditional Monitoring - We know what we want to know … Tikal Knowledge

10. System Metrics Not enough || Too much a little too late Tikal Knowledge

11. We do not always know what we are looking @ / 4 … Tikal Knowledge

12. Is this OK ?! || Normal What happened at 4AM Tikal Knowledge

13. If your’e lucky + = No action needed Tikal Knowledge

14. Go back to sleep ( you still work up ! ) Tikal Knowledge

15. REALITY Murphy’s law … Tikal Knowledge

16. Stop using Nagios (so it can die peacefully) Feb 13, 2014 [ slideshare ] Tikal Knowledge

17. In 2 words: Configuration files… In a few more: - resources - services - dependencies - … Tikal Knowledge

18. Traditional Monitoring • Reliable • Durable • Scalable Conclusion … system monitoring does not suffice, enter APM Tikal Knowledge

19. HOW DID WE GET HERE Tikal Knowledge

20. INTRODUCTION TO MODERN MONITORING TRADITIONAL MONITORING WAS(IS) ALL ABOUT THE “BLACK BOX” | “OS” METRICS ▸ All we care about is that the system is OK … APPLICATION FROTNEND APPLICATION BACKEND APPLICATION DATABASE Tikal Knowledge

21. INTRODUCTION TO MODERN MONITORING OPS ARE WORKING ON OPTIMIZING INFRASTRUCTURE … ▸ Throw more RAM & “Reports” ▸ Add another node to the “FE cluster” ▸ Add another shard to the DB … ▸ …. APPLICATION … Tikal Knowledge

22. INTRODUCTION TO MODERN MONITORING IN THE PAST ~10 YEARS ▸ Developers have started to implement METRICS ▸ Organizations are adopting Standards ▸ Common metrics have become a commodity Tikal Knowledge

23. REALITY PREVAILS Tikal Knowledge

24. APPLICATION FROTNEND APPLICATION BACKEND APPLICATION DATABASE APPLICATION … Tikal Knowledge

25. Multipule Dimensions • [ Stability ] • Ops dimension • [ Innovation ] • Dev dimension • Product dimension Tikal Knowledge

26. Even More • Environment [ stg, uat, prod ] • Application Stack(s) || tags || types • Business metrics Tikal Knowledge

27. TEAMS | SCOPES | METRICS - COME TOGETHR

28. Tikal Knowledge

29. Tikal KnowledgeTikal Knowledge Apply

30. INTRODUCTION TO MODERN MONITORING MONITORING CRITARIA’S ▸ Server (OS) level monitoring ▸ Application Monitoring (APM) ▸ Perimeter (External website) monitoring ▸ Event driven remediation ▸ Alerting and Escalation ▸ Associated log data & anomaly detection Tikal Knowledge

31. INTRODUCTION TO MODERN MONITORING REQUIRED FEATURES Accessibility Scheduling SLA’s assured Auth & Authorization Escalation Durable & Resilient Forensics Automatic Flexible & Elastic Accountable Tikal Knowledge

32. INTRODUCTION TO MODERN MONITORING IT’S AN ITERATIVE PROCESS ▸ How quick did we recover ? ▸ What worked / Didn’t work ? ▸ Iterative improvements [ Chaos Monkey, 10 story test ] ▸ RCA -> Remediation [ a.k.a False positive lifecycle ] Tikal Knowledge

33. METHODOLOGY Tikal Knowledge

34. INTRODUCTION TO MODERN MONITORING HOW TO DEFINE A METRIC OR ALERT VS. HOW TO STORE DATA ▸ A Metric’s Lifecycle & Design ▸ Time Series Data stream(s) || source(s) ▸ Common tagging ▸ Metric naming conventions and implications ▸ Micro Services, Integration of Traditional and New Generation solutions ▸ Choose short, mid & long term tools / services Tikal Knowledge

35. INTRODUCTION TO MODERN MONITORING A METRIC’S LIFECYCLE NEW (A) METRIC INFRUSTRUCTURE (OS) APPLICATION EXTERNAL (DEPENDENCY / ENDPOINT) REMEDIABLE ? ALEARTABLE ? LOG CORRELATION SCOPE OF IMPACT LEARN IN DEV | STG } } DEFINE IN DEV | STG } SHIP TO PROD Tikal Knowledge

36. INTRODUCTION TO MODERN MONITORING A METRIC’S LIFECYCLE - “TAG-ABLE” == FILTERABLE | MEASURABLE | QUANTIFIABLE NEW (A) METRIC INFRUSTRUCTURE (OS) APPLICATION EXTERNAL (DEPENDENCY / ENDPOINT) REMEDIABLE ? ALEARTABLE ? LOG CORRELATION SCOPE OF IMPACT LEARN IN DEV | STG } } DEFINE IN DEV | STG } SHIP TO PROD DEVLOPMENT STAGING PRODUCTIONENVIRONMENT Tikal Knowledge

37. INTRODUCTION TO MODERN MONITORING A METRIC’S LIFECYCLE NEW (A) METRIC INFRUSTRUCTURE (OS) APPLICATION EXTERNAL (DEPENDENCY / ENDPOINT) REMEDIABLE ? ALEARTABLE ? LOG CORRELATION SCOPE OF IMPACT LEARN IN DEV | STG } } DEFINE IN DEV | STG } SHIP TO PROD - QUANTIFIABLE METRICS: SEVERITY, CRITICAL STATE - EXPOSING A SERVICE - CONSUMING A SERVICE - - WHY DOES MY SERVICE HAVE AN OS IMPACT ? - - IS IT BY DESIGN ? - FALLBACK METHODS ? - ALTERNATE ENDPOINTS / RETRY ? - FEATURE TOGGLE - DEFINE SEVERITY 37 Tikal Knowledge

38. INTRODUCTION TO MODERN MONITORING TSD PRINCIPLES Credit->http://opentsdb.net/overview.html Tikal Knowledge

39. INTRODUCTION TO MODERN MONITORING DATAPOINTS Credit->https://www.datadoghq.com/blog/the-power-of-tagged-metrics/ IntoolslikePrometheusyoudon'tneedthetimestampitjustusescollectiontimestamp Tikal Knowledge

40. INTRODUCTION TO MODERN MONITORING MIX ’N’ MATCH Tikal Knowledge

41. INTRODUCTION TO MODERN MONITORING SHORT | MID | LONG TERM SOLUTIONS Tikal Knowledge

42. PROMETHEUS https://github.com/prometheus/prometheus Tikal Knowledge

43. INTRODUCTION TO MODERN MONITORING FEATURES ▸ Open-source systems monitoring and alerting toolkit ▸ A multi-dimensional data model (time series identified by metric name and key/value pairs) ▸ A flexible query language to leverage this dimensionality ▸ A no reliance on distributed storage; single server nodes are autonomous** ▸ A time series collection happens via a pull model over HTTP ▸ A pushing time series is supported via an intermediary gateway ▸ A targets are discovered via service discovery or static configuration ▸ A multiple modes of graphing and dashboarding support Tikal Knowledge

44. INTRODUCTION TO MODERN MONITORING PROMETHEUS ARCHITECTURE Dashboarding Prometheus Server Alertmanager Retrieval / Collection DataSerie s Storage [DB] PromQ L web UI Prometheus server Prometheus server(s) Push Gateway Service Discovery Providers Prometheus server Prometheus exporters Tikal Knowledge

45. INTRODUCTION TO MODERN MONITORING UNTIL NOW ‣ Try providing this to each developer ‣ Sensu has a very similar approach to APM … ‣ Complexity is the barrier … Tikal Knowledge

46. INTRODUCTION TO MODERN MONITORING UNTIL NOW ‣ Pull has become an advantage … ‣ Severity is implied [TSD] ‣ False Positives reduction ‣ Docker makes it super simple ‣ Go Lang lightweight approach Tikal Knowledge

47. IMPLEMENTATION Tikal Knowledge

48. INTRODUCTION TO MODERN MONITORING IMPLEMENTATION ‣ Review old system metrics & capabilities and decide what’s good whats bad ‣ What can move ‣ What needs to stay | integrate to new system ‣ Prometheus deployment is Automated from day 1 ‣ Prometheus exporter services are tagged and labeled per application stack | layer ‣ Preferably Dockerized ‣ Metric Design Workshops | meetings | slack group ‣ Alert Design Workshops | meetings | slack group ‣ Teams Mectic tags and Alerting & Escalation Tikal Knowledge

49. INTRODUCTION TO MODERN MONITORING STEP1 - IMPLEMENT DISCOVERY AWS Discovery -> https://github.com/prometheus/prometheus/tree/master/discovery NEW NODE DEPLOYMEN T SERVICE DISCOVERY DEV STAGING PRODUCTION STACK / APP NAME Alertmanager Tikal Knowledge

50. INTRODUCTION TO MODERN MONITORING STEP2 - IMPLEMENT EXPORTERS https://prometheus.io/docs/instrumenting/exporters/ Official node exporter -> https://github.com/prometheus/node_exporter Mssql Exporter -> https://hub.docker.com/r/awaragi/prometheus-mssql- exporter/ Nagios Exporter -> https://github.com/m-lab/prometheus-nagios-exporter Tikal Knowledge

51. INTRODUCTION TO MODERN MONITORING STEP3 - IMPLEMENT CUSTOM APPLICATION METRICS https://prometheus.io/docs/instrumenting/exporters/ Windows WMI -> https://github.com/martinlindhe/wmi_exporter Java -> https://github.com/prometheus/jmx_exporter node.js -> https://www.npmjs.com/browse/keyword/prometheus .Net -> https://github.com/andrasm/prometheus-net Tikal Knowledge

52. INTRODUCTION TO MODERN MONITORING STEP4 - ADAPT TO YOUR INFRA MONITORING [ FILTER || TAG || SELECTOR ] kubernetes_sd_config Tikal Knowledge

53. INTRODUCTION TO MODERN MONITORING STEP 5 - METRIC DESIGN ‣ Review sample METRICS and GRAPHS ‣ Define | Reuse ‣ Naming conventions { https://prometheus.io/docs/practices/naming/ } ‣ Quantifiable [ numbers not strings … ] Tikal Knowledge

54. DASHBOARSTikal Knowledge

55. INTRODUCTION TO MODERN MONITORING DEVELOPER TOOL Tikal Knowledge

56. INTRODUCTION TO MODERN MONITORING DEVELOPER TOOL - SIMPLE GRAPHS Tikal Knowledge

57. INTRODUCTION TO MODERN MONITORING DEVELOPER TOOL - METRICS - USING PROMQL ▸ Simple queries: ▸ rate(http_requests_total[5m]) ▸ Linear predictions ▸ predict_linear(node_filesystem_free[1h], 4*3600) Tikal Knowledge

58. INTRODUCTION TO MODERN MONITORING GRAFANA - SIMILAR WORKING EXPERIENCE - MUCH NICER Tikal Knowledge

59. INTRODUCTION TO MODERN MONITORING GRAFANA - SIMILAR WORKING EXPERIENCE - MUCH NICER Tikal Knowledge

60. INTRODUCTION TO MODERN MONITORING STEP 6 - ALERT DESIGN ‣ Review new METRICS and GRAPHS define | design thresholds ‣ Define Severity ‣ Ownership ‣ Escalation lader Tikal Knowledge

61. ALERTINGTikal Knowledge

62. INTRODUCTION TO MODERN MONITORING ALERT DESIGN ▸ ALERT <alert name> ▸ IF <expression> ▸ [ FOR <duration> ] ▸ [ LABELS <label set> ] ▸ [ ANNOTATIONS <label set> ] Tikal Knowledge

63. INTRODUCTION TO MODERN MONITORING ALERT FOR ANY INSTANCE THAT IS UNREACHABLE FOR >5 MINUTES. ALERT high_load IF node_load1 > 0.5 ANNOTATIONS {description="{{ $labels.instance }} of job {{ $labels.job }} is under high load.", summary="Instance {{ $labels.instance }} under high load"} Tikal Knowledge

64. INTRODUCTION TO MODERN MONITORING STILL LOOKING FOR ONLINE EDITOR FOR EASE OF DEVELOPMENT https://github.com/alerta/prometheus-config Tikal Knowledge

65. INTRODUCTION TO MODERN MONITORING SIMPLE YAML FILE route: receiver: 'slack' receivers: - name: 'slack' slack_configs: - send_resolved: true username: '<username>' channel: '#<channel-name>' api_url: '<incomming-webhook-url>' WHERE TO ROUTE TO ROUTER DETAILS Tikal Knowledge

66. INTRODUCTION TO MODERN MONITORING ALERTING global: resolve_timeout: 5m smtp_require_tls: true pagerduty_url: https://events.pagerduty.com/generic/2010-04-15/create_event.json hipchat_url: https://api.hipchat.com/ opsgenie_api_host: https://api.opsgenie.com/ victorops_api_url: https://alert.victorops.com/integrations/generic/20131114/alert/ route: receiver: slack receivers: - name: slack slack_configs: - send_resolved: true api_url: <secret> channel: '#<channel-name>' username: <username> color: '{{ if eq .Status "firing" }}danger{{ else }}good{{ end }}' title: '{{ template "slack.default.title" . }}' title_link: '{{ template "slack.default.titlelink" . }}' pretext: '{{ template "slack.default.pretext" . }}' text: '{{ template "slack.default.text" . }}' fallback: '{{ template "slack.default.fallback" . }}' icon_emoji: '{{ template "slack.default.iconemoji" . }}' icon_url: '{{ template "slack.default.iconurl" . }}' templates: [] } }Channel Configuration Variables | Global configuration Tikal Knowledge

67. INTRODUCTION TO MODERN MONITORING ALERT TEMPLATING ▸ What | How to say … https://prometheus.io/blog/2016/03/03/custom-alertmanager-templates/ - send_resolved: true api_url: <secret> channel: '#<channel-name>' username: <username> color: '{{ if eq .Status "firing" }}danger{{ else }} good{{ end }}' title: '{{ template "slack.default.title" . }}' title_link: '{{ template "slack.default.titlelink" . }}' pretext: '{{ template "slack.default.pretext" . }}' text: '{{ template "slack.default.text" . }}' fallback: '{{ template "slack.default.fallback" . }}' icon_emoji: '{{ template "slack.default.iconemoji" . }}' icon_url: '{{ template "slack.default.iconurl" . }}' Tikal Knowledge

68. INTRODUCTION TO MODERN MONITORING SILENCING, VIA UI / API Tikal Knowledge

69. INTRODUCTION TO MODERN MONITORING ANSWERS REQUIRED FEATURES Accessibility Scheduling SLA’s assured Auth & Authorization Escalation Durable & Resilient Forensics Automatic Flexible & Elastic Accountable Tikal Knowledge

70. INTRODUCTION TO MODERN MONITORING NEXT STEPS INFRUSTRUCTURE (OS) APPLICATION EXTERNAL (DEPENDENCY / ENDPOINT) REMEDIABLE ? ALEARTABLE ? LOG CORRELATION } ALERT MANAGER LEGACY IDENTIFY CHOOSE Tikal Knowledge

71. INTRODUCTION TO MODERN MONITORING DEMO TIME ‣ Docker-compose - ready fro R&D to start using to run create custom application Metrics. ‣ Prometheus, Node_exporter, Alertmanager Cadvisor, Grafana Tikal Knowledge

72. INTRODUCTION TO MODERN MONITORING DOCKER SETTINGS - VOLUMES, NETWORKS version: ‘2' volumes: prometheus_data: {} grafana_data: {} networks: front-tier: driver: bridge back-tier: driver: bridge Docker-compose version Docker volumes for preometheus and grafana Docker Networks Tikal Knowledge

73. INTRODUCTION TO MODERN MONITORING PROMETHEUS - OFFICIAL CONTAINER services: prometheus: image: prom/prometheus container_name: prometheus volumes: - ./prometheus/:/etc/prometheus/ - prometheus_data:/prometheus command: - '-config.file=/etc/prometheus/prometheus.yml' - '-storage.local.path=/prometheus' - '-alertmanager.url=http://alertmanager:9093' expose: - 9090 ports: - 9090:9090 links: - cadvisor:cadvisor - alertmanager:alertmanager depends_on: - cadvisor networks: - back-tier Docker Service name Docker volumes for prometheus and grafana Expose as service on specified port Ports to expose as service Link to cadvisor & alertmanager Network placement ‘back-tier’ Configuration Tikal Knowledge

75. INTRODUCTION TO MODERN MONITORING ALERT MANAGER alertmanager: image: prom/alertmanager ports: - 9093:9093 volumes: - ./alertmanager/:/etc/alertmanager/ networks: - back-tier command: - '-config.file=/etc/alertmanager/config.yml' - '-storage.path=/alertmanager' Tikal Knowledge

76. INTRODUCTION TO MODERN MONITORING CADVISOR cadvisor: image: google/cadvisor volumes: - /:/rootfs:ro - /var/run:/var/run:rw - /sys:/sys:ro - /var/lib/docker/:/var/lib/docker:ro expose: - 8080 networks: - back-tier grafana: image: grafana/grafana depends_on: - prometheus ports: - 3000:3000 volumes: - grafana_data:/var/lib/grafana env_file: - config.monitoring networks: - back-tier - front-tier Tikal Knowledge

77. INTRODUCTION TO MODERN MONITORING GRAFANA grafana: image: grafana/grafana depends_on: - prometheus ports: - 3000:3000 volumes: - grafana_data:/var/lib/grafana env_file: - config.monitoring networks: - back-tier - front-tier Tikal Knowledge

78. INTRODUCTION TO MODERN MONITORING DOCKER PS CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 3dcfd7c289cb grafana/grafana "/run.sh" 21 hours ago Up 4 minutes 0.0.0.0:3000->3000/tcp prometheus_grafana_1 2b2817fc0bd9 prom/prometheus "/bin/prometheus -..." 21 hours ago Up 4 minutes 0.0.0.0:9090->9090/tcp prometheus d2c6849d3bd9 google/cadvisor "/usr/bin/cadvisor..." 21 hours ago Up 4 minutes 8080/tcp prometheus_cadvisor_1 d4a3c3ceb97d prom/node-exporter "/bin/node_exporte..." 21 hours ago Up 4 minutes 9100/tcp node-exporter 75eb08791ea9 prom/alertmanager "/bin/alertmanager..." 21 hours ago Up 4 minutes 0.0.0.0:9093->9093/tcp prometheus_alertmanager_1 Tikal Knowledge

79. INTRODUCTION TO MODERN MONITORING DEMO PROJECT ON GITHUB https://github.com/shelleg/monlog-compose-stack Tikal Knowledge

80. INTRODUCTION TO MODERN MONITORING ‣ All containers - monitored by prometheus + graphed in a small nice project. Tikal Knowledge

81. TEXT ROLLOUT [ LLD ] Tikal Knowledge

82. INTRODUCTION TO MODERN MONITORING PLACEMENT OPTIONS ‣ 1 main prometheus server vs. 1 Prometheus server per team ‣ 1 Alert-manager [ with pre-defined “receivers” ] vs. 1 per team / concern Tikal Knowledge

83. INTRODUCTION TO MODERN MONITORING DEPLOYMENT OPTIONS ‣ Automate deployment of prometheus server(s) / Alert-manager [ pre-defined “receivers” ] ‣ Ansible, puppet etc ‣ Jenkins ‣ The combination of the 2 ;) ‣ Automation helps solve the “one 2 Many” dilemma IMHO … Tikal Knowledge

84. INTRODUCTION TO MODERN MONITORING DEVELOPER STACK ‣ Options: ‣ Personal Docker / Docker-compose[ private fork if desired ] ‣ A small startup.cmd / startup.sh starting go applications of promethes & alertmanager ‣ A centralized Grafana / Alertmanager with only prometheus on dev-machine ‣ Toolkit for ‣ develop metrics, alarms, graphs ‣ Add exporters to configuration [ tendency :: as common as you develop new services ] ‣ SDLC -> Gil Pull/MErge request mechanism Tikal Knowledge

85. INTRODUCTION TO MODERN MONITORING DEVELOPER STACK(S) - EXAMPLE Tikal Knowledge

86. INTRODUCTION TO MODERN MONITORING ALERTS IN SCM MASTER -> STG -> PRD Tikal Knowledge

87. INTRODUCTION TO MODERN MONITORING POPULATE ALERTS | METRICS | DASHBOARDS VIA SCM 1. Use “ready made” || good starring point graphs from grafana dashboard exchange or build your own 2. Customize 3. Add / push to git master branch 4. “ci” server -> listen on GitHook -> push to staging 5. “ci” server -> wait for manual trigger -> push to production Tikal Knowledge

88. INTRODUCTION TO MODERN MONITORING CONTINUOUS DELIVERY OPTIONS [ ADDING AN ALERT SAMPLE WORKFLOW ] master (dev) staging production DEVELOP DEPLOY TO STAGE DEPLOY TO PROD 1 centralized repo branch per env / prometheus instance Tikal Knowledge

89. INTRODUCTION TO MODERN MONITORING CONTINUOUS DELIVERY OPTIONS [ ADDING GRAPHS ] master (dev) staging production DEVELOP DEPLOY TO STAGE DEPLOY TO PROD “Grafana Dashboard hub” - separate repo ? - part of monitoring repo ? Tikal Knowledge

90. INTRODUCTION TO MODERN MONITORING CI PIPELINE -DATA ORIGINS & PRESENTATION Exporters REGION POD INSTANCE * } } App Metrics OS Metrics Filter Tags & Alerts Tikal Knowledge

91. INTRODUCTION TO MODERN MONITORING CI PIPELINE DEV STAGING PRODUCTION STACK / APP NAME ALERTMANAGE R ALERTMANAGE R Web-hook (PR-builder) GRAFANA GRAFANA OPS “CLEANUP” ROUTINE(S) Tikal Knowledge

92. INTRODUCTION TO MODERN MONITORING BUILDING THE PIPELINE ‣ Routine on submit / push builds to dev/stg ‣ Run daily / weekly deployments of Alerts (prometheus) | Dashboards (grafana) ‣ Avoid / rollback any manual changes of Alerts / Graphs etc ‣ Help make automation a common practice ‣ Scheduled task which syncs and re-configures the desired state from SCM Tikal Knowledge

93. INTRODUCTION TO MODERN MONITORING MESURE THE PIPELINE ‣ Pipeline steps are monitored ‣ Expose metrics such as: ‣ deployment time & status [ in env | stack etc ] ‣ count (# of alerts, new vs old last week, month etc) ‣ Metric counters [ application metrics ] … ‣ [ Jenkins exporter || push gateway TBD ] Tikal Knowledge

94. FEEDBACK / QUESTIONS ? I’M HERE … HAGZAG@TIKALK.COM, 0545302525 Haggai Philip Zagury - Tikal Knowledge MONITORING HLD FullStack Developers Israel

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