Building a Data-Friendly Platform for a Data-Driven Future
Transcript of Building a Data-Friendly Platform for a Data-Driven Future
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© 2016 Mesosphere, Inc. All Rights Reserved.
Building a Data-Friendly Platform for a Data-Driven Future
Benjamin Hindman - @benh
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$ whoamiINTRO
BENJAMIN HINDMAN
Co-founder and Chief Architect of Mesosphere, Inc.
Formerly Twitter, UC Berkeley
Co-creator of Apache Mesos
@benh
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REINFORCING TRENDS
microservices containerization
container/cluster/resource management
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REINFORCING TRENDS
microservices containerization
container/cluster/resource management
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REINFORCING TRENDS
microservices containerization
container/cluster/resource management
big data & analytics
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TWITTERMONORAIL
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TWITTERSERVICES
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PAINS FROM THE MONOLITHIC ARCHITECTURE
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MONOLITHIC TO MICROSERVICES
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1.Do one thing and do it well (UNIX).
2.Compose!
3.Test and debug in isolation.
4.Captures organizational structure (many teams working in parallel).
TREND TOWARDS MICROSERVICES
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© 2015 Mesosphere, Inc. All Rights Reserved.
MICROSERVICES
Traditional Application Architecture Today’s Microservices Application Architecture
REST
API
s
Hard to scale,wasting resources
Many functions in a single process
Cross-functional teams organized around capabilities
Scalable, efficient and fully dynamic
Siloed teams
Each element of functionality defined as “microservices”
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CONTAINERIZATION
then now
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CONTAINERIZATION
then nowmore moving parts less moving parts
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CONTAINERIZATION
then nowmore moving parts less moving parts
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© 2016 Mesosphere, Inc. All Rights Reserved.
ANATOMY OF MODERN APPLICATIONS
Data StorageBig Data Processing
X
X X...
..
.Message Queue
..
.... X
Anything else
Functions & Logic Big Data & Analytics
Microservicesin containers
Distributed Systems
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Microservices, containers, and big data lead to more difficult operations w/out proper infrastructure.
Challenges:
1)Deployment and scheduling for fault-tolerance.
2)Scheduling for elasticity and efficiency.
3)Service discovery (“naming”) and networking.
4)Operations: maintenance and upgrades.
5)…
NEED FOR NEW INFRASTRUCTURE
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CHALLENGES
FAILURES
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MAINTENANCECHALLENGES
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BREAK OUT OF TRADITIONAL INFRASTRUCTURE SILOS
• Many silos.
• Management nightmare.
• Lengthy cycles to deploy code.• Low utilization.
Apache Mesos and the DC/OS
TRADITIONAL APPROACH
PaaS 1
ContainerApp
1Big Data
Analytics 1Big Data
Analytics 2
PaaS 2
ContainerApp
2Stateful Service
1
Stateful Service
2
UNIFIED APPROACH
ContainerApps(All) Big Data Analytics
(All)
PaaS (All)
Stateful Service(All)
• High performance and resource isolation.
• Easy scalability and multi-tenancy.
• Fault tolerant and highly available.• Highly efficient with highest utilization.
Deploy on-prem or in cloud
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RUN EVERYTHING ON THE SAME SHARED INFRASTRUCTUREUTILIZATION
siloed, over-provisioned servers,low utilization
Industry Average12-15% utilization
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RUN EVERYTHING ON THE SAME SHARED INFRASTRUCTUREUTILIZATION
Siloed, over-provisioned servers,low utilization
Automated schedulers, workload multiplexing, less machines or more applications
Industry Average12-15% utilization
30-40% utilization, up to 96% for some users
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EVOLUTION: FROM STATIC TO DYNAMIC INFRASTRUCTURE
MAINFRAMEData / Transaction
Processing
PHYSICAL (x86)Client-Server Apps
(ERP, CRM, Productivity)
VIRTUALWeb-Based Applications(Enterprise & Consumer)
Existing Computing Infrastructure Is Inefficient And Not Suitable for Modern Workloads
Siloed, Static, Monolithic & Manual
t
Computing Infrastructure Evolution
Efficient, Dynamic, Agile & Automated
UNIFIEDStateless Microservices
Stateful Distributed Systems Analytics
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THE DATACENTER COMPUTER
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1. TREAT MACHINES AS CATTLE NOT PETS
Keep the base operating system small and simple, run “containerized” applications.
2. AUTOMATE WITH SOFTWARE NOT HUMANS
Let software schedule software, i.e., handle failures, improve utilization, and manage maintenance.
DATACENTER COMPUTER PRINCIPLES
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desktop computer
server datacenter
OS
OS
OS
Datacenter Computer Needs an Operating System
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Distributed Systems Kernel (Mesos)
DATACENTER OPERATING SYSTEM (DC/OS)
Distributed systems kernel to abstract resources
26
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Distributed Systems Kernel (Mesos)
DATACENTER OPERATING SYSTEM (DC/OS)
Distributed systems kernel to abstract resources
User Interface (GUI & CLI)
Core system services (e.g., distributed init, cron, service discovery, package mgt & installer, storage)
27
Datacenter Operating System (DC/OS)
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Distributed Systems Kernel (Mesos)
DATACENTER OPERATING SYSTEM (DC/OS)
Distributed systems kernel to abstract resources
User Interface (GUI & CLI)
Core system services (e.g., distributed init, cron, service discovery, package mgt & installer, storage)
28
Datacenter Operating System (DC/OS)
On Premise AWS Azure
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© 2016 Mesosphere, Inc. All Rights Reserved.
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Apache Mesos is a general purpose cluster manager (i.e., not just focused on batch computation).
WHAT IS APACHE MESOS?MESOS
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CLUSTER MANAGEMENTSOLUTIONS | ACADEMIA VS INDUSTRY
IndustryAcademia
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DIFFERENT SOFTWARESOLUTIONS | ACADEMIA VS INDUSTRY
IndustryAcademia
● MPI (Message Passing Interface) ● Apache (mod_perl, mod_php)● Web Service (Java, Ruby, …)
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DIFFERENT SCALE (AT FIRST)SOLUTIONS | ACADEMIA VS INDUSTRY
IndustryAcademia
● 100’s of machines ● 10’s of machines
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CLUSTER MANAGEMENTSOLUTIONS | ACADEMIA VS INDUSTRY
IndustryAcademia
● PBS (Portable Batch System)● TORQUE● SGE (Sun Grid Engine)
● SSH● Puppet / Chef● Capistrano / Ansible
Cluster Managers
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DIFFERENT SCALE (CONVERGING)SOLUTIONS | ACADEMIA VS INDUSTRY
IndustryAcademia
● 100’s of machines ● 10’s of machines
1,000s of machines
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CLUSTER MANAGEMENTSOLUTIONS | ACADEMIA VS INDUSTRY
IndustryAcademia
● PBS (Portable Batch System)● TORQUE● SGE (Sun Grid Engine)
● SSH● Puppet / Chef● Capistrano / Ansible
Batch Computation!
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Mesos is a cluster manager with a master/agent architecture
masters
agents
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© 2016 Mesosphere, Inc. All Rights Reserved.
master
agents
coordinator coordinatorcoordinator
38
MESOS
2-LEVEL SCHEDULING
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Mesos challengedthe status quoof cluster managers
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cluster manager status quo
cluster manager
application
specificatio
n
the specification includes as much
information as possible to assist
the cluster manager in scheduling
and execution
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cluster manager status quo
cluster manager
application wait for task
to be
executed
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cluster manager status quo
cluster manager
application
resul
t
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problems with specifications
� hard to specify certain desires or constraints
� hard to update specifications dynamically as tasks execute
and finish/fail
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the bigger picturecluster manager has inadequate knowledge of distributed
system’s execution needs/semantics to make optimal decisions
distributed system’s execution needs/semantics can’t easily or efficiently be expressed to cluster manager
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MapReduce specification?
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MapReduce specification?
fine-grainedcourse-grained
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MapReduce specification?
best resource utilization, but
hard if impossible to specify
fine-grainedcourse-grained
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MapReduce specification?
fine-grainedcourse-grained
worst resource utilization,
but easy to express (how
most cluster managers run
something like Hadoop)
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distributed systems register with the Mesos master(s) in order to run computations
masters
agents
frameworks
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Mesos model
masters
coordinator
request
3 CPUs
2 GB RAM
a request is purposely simplified
subset of a specification including
just the required resources
at that point in time
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question: what should you do if you can’t satisfy a request?
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question: what should you do if you can’t satisfy a request?
� wait until you can …
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question: what should you do if you can’t satisfy a request?
� wait until you can …
� offer best you can immediately
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question: what should you do if you can’t satisfy a request?
� wait until you can …
� offer best you can immediately
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Mesos model
masters
coordinator
offer
hostname
4 CPUs
4 GB RAM
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offer
hostname
4 CPUs
4 GB RAM
offer
hostname
4 CPUs
4 GB RAM
offer
hostname
4 CPUs
4 GB RAM
Mesos model
masters
coordinator
offer
hostname
4 CPUs
4 GB RAM
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offer
hostname
4 CPUs
4 GB RAM
offer
hostname
4 CPUs
4 GB RAM
offer
hostname
4 CPUs
4 GB RAM
Mesos model
masters
coordinator
offer
hostname
4 CPUs
4 GB RAM
distributed system uses the
offers to perform it’s own
scheduling
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Mesos model
masters
coordinator
distributed system uses the
offers to perform it’s own
scheduling
task
3 CPUs
2 GB RAM
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Mesos model
masters
coordinator
distributed system uses the
offers to perform it’s own
scheduling
multi-level scheduling
task
3 CPUs
2 GB RAM
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1st level: master makes allocations via offers
2nd level: distributed systems schedule tasks using offers
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MESOS
LEVEL OF INDIRECTION
Mesos (agents)
coordinator
Mesos (master)
coordinator
responsible for allocation (and reallocation) of resources
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DATACENTER KERNELMESOS
provides common functionality every new distributed system re-implements:
• resource allocation• resource deallocation• resource reservations• resource isolation• resource monitoring• failure detection• package distribution• task starting, killing, cleanup• volume management• …
today tomorrow
YOU
don’treinventthewheel!
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distributed systemsare hard to build
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distributed systemsare hard to operate: deploy, maintain, update
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operating distributed systems
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operating distributed systems
� download
� deploy (read book; HA? arrangement?)
� monitor (read book; logs, metrics, alerting)
� maintain� debug (read book, ask internet, IRC)
� “fix” problem (update runbooks, write scripts,
build ancillary system!)
� upgrade (and/or redeploy)
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perspectivedistributed systems should be able to operate themselves:
deploy, monitor, update, upgrade, etc
need an interface that enables distributed systems to
communicate with the underlying infrastructure, and vice versa
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perspectivedistributed systems should be able to operatethemselves: deploy, monitor, update, upgrade,
etc
need an interface that enables distributed
systems to communicate with the underlying
infrastructure, and vice versa
Apache Mesos
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why: the bigger picturehumans have inadequate knowledge of distributed system
needs/semantics to make optimal decisions (even after reading
the book)
distributed system execution needs/semantics can’t easily or efficiently be expressed to humans and/or underlying
infrastructure
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Linuxapplications “operate” themselves on Linux, when they need
more CPU, they ask the Linux kernel for more CPUs (processes,
threads); when they need certain operations to be performed
(e.g., write/read to file), they ask the Linux kernel; …
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Mesosdistributed systems “operate” themselves on Mesos, when they
need more CPU, they ask Mesos for more CPUs (tasks,
containers); when they need certain operations to be performed
(e.g., create a persistent volume), they ask Mesos; …
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© 2016 Mesosphere, Inc. All Rights Reserved.
AUTOMATED OPERATIONS OF DISTRIBUTED SYSTEMS
Software will manage itself, using Mesos and the DC/OS API
● Most distributed systems are difficult to manage but they don’t need to be.
Kafka Spark
Cassandra
Data processing engine
Messaging backbone
Distributed database
HDFSDistributed file
system
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THEUNIVERSE
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© 2016 Mesosphere, Inc. All Rights Reserved.
TWEETER ARCHITECTURE ON DC/OS
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75
CASE STUDY
Forging Ahead with Mesos, Containers and DC/OS
Having now run our event streaming and big data ingestion pipeline services in production on DC/OS, across 3 regions, over the last year, we've achieved the following results:
● A 66% reduction in AWS Instances
● Cost Improvements up to 57%
● An impressive 40 sec time to deploy a new build with zero downtime
● A 3 min time to stand up a new region
● 100% Uptime
● Total Resources needed: 1 DevOps Engineer
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© 2016 Mesosphere, Inc. All Rights Reserved.
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