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© 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. Jim Donahue | Principal Scientist Adobe Systems Technology Lab Flint: Making.

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Presentation on theme: "© 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. Jim Donahue | Principal Scientist Adobe Systems Technology Lab Flint: Making."— Presentation transcript:

1 © 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. Jim Donahue | Principal Scientist Adobe Systems Technology Lab Flint: Making Sparks (and Sharks and HDFSs too!)

2 © 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. Flint: Bring BDAS to the AWS Adobe  How to effectively evangelize Adobe?  Looking for intrepid, curious users who want to experiment  Curiosity is always tempered by cost of startup  Most of the data for experimental applications likely in AWS 2

3 © 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. Flint: Design Principles  Shared Nothing  Get your own AWS account and go  Simple Configuration  Write a little JSON, run a couple of scripts  Efficient, flexible scaling  As simple or complex as you want/need  Full access to tools  Batch, Spark/Shark shells, Shark Server, web UIs, …  Access to all the Spark/Shark tuning parameters  Very simple hardwired “spark-env.sh”  Tuned to Adobe environment  Port choices determined by our firewall 3

4 © 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. Flint: Architecture 4 Local Spark/Shark, Slaves can use S3 storage for files Remote Access runs shells on SSH Server Components use S3, SimpleDB for state management Flint distributes shared AWS credentials among components Flint manages master, SSHServer startup Slave elasticity managed by master, can leverage spot pricing Local Spark/ Shark Remote Access Cluster Setup Local Flint Server S3 Spark Master SSHServer (Shells) SimpleD B Spark Slave(s )

5 © 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. Flint: Setup 5 Flint instance manages encrypted AWS credentials Create S3 buckets to hold JAR files Create SimpleDB tables to hold state Create key pair, security group for instances Local Spark/ Shark Remote Access Cluster Setup Local Flint Server S3 SimpleD B

6 © 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. Flint: Provisioning 6 Define clusters through JSON spec (“master instance configuration is x, slave instance configuration is y, scaling rule is …”) Define configurations through JSON spec (“spark master uses AMI x, running service y, with properties a, b, …”) and JAR file containing services code “Getting started” set of clusters, configurations provided AMI provided with all the requisite Spark / Shark / Hadoop / Kafka bits Local Spark/ Shark Remote Access Cluster Setup Local Flint Server S3 SimpleD B

7 © 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. Flint: Cluster Start 7 Local Flint Instance launches “master” instance (using cluster definition in SimpleDB) Master reads SimpleDB and S3 for configuration and code, installs master services Starting services launches Spark and/or HDFS masters through command line Master puts “connect URL” in SimpleDB Local Spark/ Shark Remote Access Cluster Setup Local Flint Server S3 Spark Master SimpleD B

8 © 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. Flint: Slave(s) Start 8 Master “scaling service” launches slave instance(s) Slave reads SimpleDB and S3 for configuration and code, installs worker services Slave gets master “connect URL” from SimpleDB Slave launches Spark and/or HDFS workers through command line Local Spark/ Shark Remote Access Cluster Setup Local Flint Server S3 Spark Master SimpleD B Spark Slave(s )

9 © 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. Flint: Client Start 9 Flint instance launches “client” instance (using cluster definition in SimpleDB) Client reads SimpleDB and S3 for configuration and code, installs (SSHServer) services Client reads SimpleDB for authentication info, master connect URL Service startup starts SSHServer connected to right “shell factory” Local Spark/ Shark Remote Access Cluster Setup Local Flint Server S3 Spark Master SSHServer (Shells) SimpleD B Spark Slave(s )

10 © 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. Flint: Client Connect (Remote Shells) 10 Flint server finds “appropriate client” SSH client launched to connect SSHServer connects to master on client’s behalf Local Spark/ Shark Remote Access Cluster Setup Local Flint Server S3 Spark Master SSHServer (Shells) SimpleD B Spark Slave(s )

11 © 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. Flint: Client Asynchronous Requests  Flint clients can also make asynchronous requests  Each Flint master runs service that pulls request from SQS queue  Request progress/results stored in SDB  Requests include:  Move data between HDFS and S3  Mount EBS volume and cache in HDFS (AWS public data sets)  Run batch job  Client can make request even if cluster not alive  Simplifies startup sequencing  Can use monitoring of “cluster queues” to start cluster “on demand” 11

12 © 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. Flint: Where We Are Now  Have some intrepid, curious users  The big issue is always “Do I really want to use Spark/Shark?”  SQL is a big selling point  Scala is a mild put-off  Spark Streaming may help settle the issue  Open Sourcing is under discussion  If you’re interested, let me know! 12

13 © 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential.


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