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Get Unstuck with JBoss
John LiptakGet Unstuck with JBoss – An Evolutionary ApproachJune 25, 2015
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Introduction
John Liptak – [email protected]
• Principal Architect in the Technology & Strategy group
• Responsible for:
• Company-wide open source policies and adoption
• Java performance monitoring and management
• Architecture lead for our ongoing WLS JBoss migration and PaaS introduction
• External consulting engagements
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My Company
CenturyLink
• Third largest telecom company in the U.S.
• Broadband, Voice, Cloud, Managed Hosting and IT Services
• Operates 58 data centers in North America, Europe and Asia
• 250,000-route-mile U.S. fiber network and a 300,000-route-mile international transport network
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1930
1997 – 2007
2003
2009
2011
2012 - 2015
Successful history of acquiringand integrating companies;
added 2.0M accesslines between 1997 and 2007
And expanded our footprint
Acquisition of EMBARQ; 7.5million access lines, 2.1
million broadbandcustomers and 450K video
customers in 33 states
Addition of Hosting/Cloud & ITServices capabilities through
acquisitions of Savvis, AppFog, Tier3,DataGardens, Cognilytics & Orchestrate
Qwest acquisition created 3rd
largest telco with revenues of more than $18 billion, a robust national
fiber network, a significantly larger enterprise customer base
Acquired and builtFiber Assets
75 TelephoneCustomers
Our Transformation
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Technology Adoption
Everything you need to know you learned before kindergarten:
Why?
How?
What’s Next?
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Turning the light bulb on
Copyright Myles Pikney
http://www.mylespinkney.com/
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How Stuck Are You ??
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Revolution (2012)
Sprint: Migrating to JBoss Enterprise Middleware in a Big Way
In April of 2011, Sprint approved and funded a major program to replace legacy Oracle WebLogic
and IBM WebSphere with JBoss Enterprise Application Platform. As of June 2012, Sprint expects
to have migrated over 160 applications utilizing 1,000 CPUs of WebLogic and 100,000 PVUs of
WebSphere. Within the scope of this program, Sprint also modernized its infrastructure, migrated
stand-alone servers into virtual machines, replaced legacy web servers with Apache, and
implemented an architecture that significantly increased IT application scalability, flexibility, and
supportability at Sprint.https://www.redhat.com/resourcelibrary/videos/sprint-migrating-to-jboss-enterprise-middleware-in-a-big-way
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Evolution
Incremental Improvements
Multiple small improvements over time leading to a transformation of the IT ecosystem
Some improvements don’t work and they are not propagated to the next generation.
Extinction
Some products die off because they can’t keep up.
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JBoss Value Chain
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JBoss Enterprise Web Server (EWS)
JBoss Operational Network (JON)
JBoss Enterprise Application Server (EAP))
JBoss Fuse
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Open Source Freedom
Freedom from closed source provides needed
flexibility.
Example: object slicing problem
Hibernate uses ROW_NUM to limit query results.
If you use setMaxResults(5)
Fixed by using analytic
DENSE_RANK over partition
by primary key and duplicated order by clause
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Master Detail
Detail
Detail
Detail
Detail
Detail
Detail
Detail
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HISTORY
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“A disciplined, consistent effort to develop, propagate, and exploit them [innovations] should indeed yield an order-of-
magnitude improvement” – Fred Brook
“All problems in computer science can be solved by another level of
indirection” – Butler Lampson
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Historic Progression
Dedicated hardware
Stacked
• Standard Operating Environment
• Requirements
Virtualized
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Server
App
Server
App App App
Server
App
Server
App
Server
App
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Standard Deployment
• Load Balanced
• Highly Available
• Multiple Application Servers
• Separate Database Server
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Load Balancer
Apache mod_ajp
mod_cluster
Apachemod_ajp
mod_cluster
App ServerEWSEAPWLS
App ServerEWSEAPWLS
DatabaseOracleMySQL
SQLServer
NASNFS v3
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Field of Dreams
Build it and they will come:
MySQL
Tomcat (5.5)
Didn’t come
•No monitoring support
•No Admin support
•No platform support
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Learn from Failure
• Business Case – break even on hardware replacement and reduced memory usage
• Density – Move from old hardware with 1G heaps to new hardware with 256M
• Manageability – Have to provide same or better support to development teams
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Required Ingredients
• Management Support
• Business Case ROI
• Facts vs. Fear
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EVOLUTION
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FOSS Migration
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2010Q2
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2011Q2
2011Q3
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2012Q2
2012Q3
2012Q4
2013Q1
2013Q2
2013Q3
2013Q4
2014Q1
2014Q2
2014Q3
2014Q4
2015Q1
2015Q2
2015Q3
2015Q4
AP
PLI
CA
TIO
NS
Migration Progress to date
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JBoss Value Chain
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JBoss Enterprise Web Server (EWS)
JBoss Operational Network (JON)
JBoss Enterprise Application Server (EAP))
JBoss Fuse
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Process Evolution Too!
This single process evolved over time to a process with multiple options
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Organizational Flexibility
One size did not fit everyone.
Provide options:
• Directing application team work
• Factory model
• Ad-hoc consulting/Mentoring
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Factory Model
• Get access to source code – work just like developers on the existing team
• Update Application
• Code• Build Process• Deliverable
• Running version in development/integration
• Code review and hand-back step
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Standards
• What we provide
• Middleware• Services access
• What we allow
• No editing of configuration files
• How we deploy it
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Load Balancer
Apache mod_ajp
mod_cluster
Apachemod_ajp
mod_cluster
App ServerEWSEAPWLS
App ServerEWSEAPWLS
DatabaseOracleMySQL
SQLServer
NASNFS v3
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Winning Standardization
• Make standards easier than custom efforts
• Provide reasonable defaults• Provide multiple options• Make teams do the extra work for customization
• Solicit input from subject matter experts
• Web developers• Database experts• Networking• Security
• Have a reasonable exception process
• Third party software• Existing contracts• High cost conversions• Time
• Backup• Recovery• Security• Patching• Etc.
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Training
Red Hat Consulting
•JBoss ON•EAP•Fuse
Train the trainer consulting
Wiki for converting applications
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THE IMPLEMENTATION
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Adoption Selection
Pick 3 Apps
• Small, simple, easy win
• Large, simple, visible
• Complex application with flexibility
Include a Technology POC
My list: EJB, JMS, TIBCO RV, Camel, Struts 2, Spring, AspectJ, JAX-RPC, JAX-WS,
REST, native Hibernate and JPA
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What to Upgrade?
Required
• JDK 7+
• Remove or replace end of service life products
• Remove or replace components no longer approved
Application wish list
• Framework changes
• Services updates
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Cost arguments
• JPA vs. Entity upgrade
• RMI
• Corba
• Portal
Windup and tattletale
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Operational Readiness Review
TIBCO
JMS
EJB
XA Transactions
Spring
Session Replication
BPM
Load and Performance
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Load Test
Require a Load Test
Java Mission Control
VisualVM
Eclipse
Memory Analysis
Tool (MAT)
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Deployment
+Standard deployment
+Application artifacts
+Environment (logging, cron jobs, etc.)
= running application
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Application Servers
Version Control
Distribution (Gold Copy)
Application Properties
De
plo
ymen
t
Binaries
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Layers to validate
SSL
Load balancing
Failover
Security
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Load Balancer
Apache mod_ajp
mod_cluster
Apachemod_ajp
mod_cluster
App ServerEWSEAPWLS
App ServerEWSEAPWLS
DatabaseOracleMySQL
SQLServer
NASNFS v3
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JBoss PRODUCT SPECIFICS
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EWS
Simple –
No editing xml files
•Use META-INF/context.xml for resourcesProperty file deployment
No libraries provided
Auto add truststore or keystore if provided
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Applications
• Epicentric Portal to iText
• Integration Gateways
• Large numbers of web applications
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JBoss Operational Network
Operations
• Used to track and view performance across multiple layers
• Use custom scripts for deployment
Development access
• Allowing development teams to view data is key
• Share in all environments via LDAP groups
History
• Historical data is the most valuable feature
• What was my application doing last Tuesday at 2:00 a.m.?39
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EAP
Run multiple servers in standalone mode
Startup scripts allow for automatic creation of clones with port offsets
Includes custom JAAS realms for application security
No editing standalone.xml
Property file deployment
Re-sync on startup
XA support
Session Replication
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EAP Modules
Provide operations curated modules
• Database Drivers
• Security
Take advantage of multiple versions
if necessary
• JAXB versions
File URI
vfs:// vs. file://Learn about jboss-deployment-structure.xml
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EAP CLI Scripts
Allow applications to start with different configurations (standalone, full, full-ha)
Use CLI to customize
• Database pools
• JMS pools
• Database drivers
• URL endpoints for WSDL
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Applications
• Account services
MDB issues https://access.redhat.com/solutions/475193 caused by GC pauses@ActivationConfigProperty(propertyName = "clientFailureCheckPeriod", propertyValue = "600000")
@ActivationConfigProperty(propertyName = "connectionTTL", propertyValue = "-1")
• Quote to order
Multithreaded deployment issues resolved by adding CDI injected references
Manual JNDI lookups can leave unresolved deployment references
-Dorg.jboss.server.bootstrap.maxThreads=10
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Fuse & Fabric8
Features – no random bundles
Take advantage of the , separated directories for configuration directories
Discovery protocol for ActiveMQ
Delaying Fabric8 to 6.2 for application endpoints
Branching fabric GIT repository for multiple applications needed deeper understanding
and working version was not GA.
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Applications
• Multiple Model Driven Workflow (MDW) applications upgrading
• OSGi/ServiceMix applications supporting critical billing functionality
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What’s Next
Journey to the Cloud
http://www.thinkgig.com/centurylinks-journey-to-the-cloud-a-new-path-weve-walked-
many-times-before/
CenturyLink IT team has made a commitment to migrate 90% of our strategic
applications to the cloud.
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2012Q3
2012Q4
2013Q1
2013Q2
2013Q3
2013Q4
2014Q1
2014Q2
2014Q3
2014Q4
2015Q1
2015Q2
2015Q3
2015Q4
AP
PLI
CA
TIO
NS
Migration Progress to date
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QUESTIONS & DISCUSSION
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