Download - Final Presentation August 5, 2013
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Technische Universität München
Application Performance Monitoring of a scalable Java web-application in a cloud
infrastructure
Final Presentation
August 5, 2013
Student: Michael Rose
Supervisor: Prof. Dr. Florian Matthes
Advisor: Alexander SchneiderDr. Thomas Büchner
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Technische Universität München
Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
Agenda
• Application Performance Monitoring• APM for Tricia• Evaluation• Further Work• Summary
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Technische Universität München
Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
Application Performance Monitoring (APM)
„Monitoring is the process of maintaining surveillance over the existence and magnitude of state change and data flow in a system.“ 1
• How fast is my application?• ... If the application is not fast ...
– When is it slow? everytime, on a certain time of the day, ...– What is slow? everything, a certain type of operation, a single
request, ...– Why is it slow? bug in the application, insufficient resources, wrong
configuration ,...
Solve the problem
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Technische Universität München
Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
APM - Stakeholders
• Customers– improve their business– application must be available and usable
• Cloud Operations– Is there need for action? (more resources, more servers, ...)– require application-level information– standardized interface
• Developers– Are there any Problems?– If so:
• What are they?• How can they be solved?
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Technische Universität München
Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
APM – Key Metrics
• Overall response time• Handler duration• Database operation execution time• Elasticsearch operation execution time
• Requests per Minute• Database operations per Minute• Elasticsearch operations per Minute
• System Load• Process Load• Memory Consumption
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Technische Universität München
Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
APM – Means of Evaluation
Checking for problems Performance Snapshot• created at a regular interval (e.g. 2 hours)• detailed information for all monitors in the system
• use as indicators maximum execution time
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Technische Universität München
Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
APM – Means of Evaluation
Verifying a Problem Graphical Visualization• create time series• see if just a singular event• detect dependencies
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Technische Universität München
Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
APM – Means of Evaluation
Tracking a Problem Performance Trace• created in case of a problem• gather all monitors used in the executed operation• print detailed information
Find the monitor responsible for the slowdown
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Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
APM for Tricia
• Existing Solutions / Libraries– New Relic– Kieker– Java Simon– RRDTool
• Existing Standards– Java Management Extensions (JMX)– Nagios– collectd, ganglia, ...
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Technische Universität München
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Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
APM for Tricia - Architecture
August 5, 2013
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Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
APM for Tricia - Architecture
August 5, 2013
TriciaMonitoring
Tool
• Performance Snapshots• Performance Traces
• Graphical Visualization
• Detection• Tracking
• Detection• Verification
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Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
APM for Tricia - Architecture
August 5, 2013
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Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
APM for Tricia - Architecture
August 5, 2013
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Technische Universität München
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Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
Evaluation - Context
August 5, 2013
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Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
Evaluation – Problem
August 5, 2013
• Customers reported slow performance• Specific tasks took around 10 seconds to complete
Creation of a workpace
• Problem was reproducable
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Technische Universität München
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Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
Evaluation – Checking for a problem
August 5, 2013
• Look at Performance Snapshots
Name Hits Avg Total Max
handler 608 292 177 920 85 877
entity.persist 1 541 1 660 2 559 448 154 076
es 1 886 580 1 094 084 85 545
es.searchables_production_multitenancy.commit
196 1 161 227 713 84 974
db 221 487 1 317 457 60 022
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Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
Evaluation – Verification
August 5, 2013
• Graphical visualization
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Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
Evaluation – Tracking Down
August 5, 2013
• Perform slow request• Analyze Performance Trace
9 607ms for /space/submit
Name Hits Total
webserver.handlerRequests 1 9 607
handler 1 9 605
es 10 8 788
es.searchables_production_multitenancy.commit 1 8 686
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Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
Evaluation – Tracking Down
August 5, 2013
• Commit operation performed by a single method• Method is basic ES library call• Implementation according to documentation• Research on the internet produced no results• Only environment with this problem
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Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
Evaluation – Results
August 5, 2013
• Low-level analysis revealed slow file deletion• No bug in Tricia• Issue caused by target infrastructure• Provider was notified, working on solution
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Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
Further Work
August 5, 2013
• Higher degree of automatization– Extract data from log files– Aerts & Notifications
• Even more data via JMX– Performance Snapshots– Performance Trace
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Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
Summary
August 5, 2013
• Identification of key metrics• Examination of existing solutions & standards• Successfully employed APM in Tricia• Evaluation of developed solution• How-To for using the solution
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Technische Universität München
Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
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Questions & Discussion
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Technische Universität München
Application Performance Monitoring of a scalable Java web-application in a cloud infrastructureApplication Performance Monitoring of a scalable Java web-application in a cloud infrastructure
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Thank you for your attention.
Michael Rose