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Maximize Messaging and Performance and Lowering Infrastructure Footprint
 

Maximize Messaging and Performance and Lowering Infrastructure Footprint

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    Maximize Messaging and Performance and Lowering Infrastructure Footprint Maximize Messaging and Performance and Lowering Infrastructure Footprint Presentation Transcript

    • Maximize Messaging Performance andLowering Infrastructure Footprint Senior Software Architect, WSO2 Inc. Visiting Faculty, University of Moratuwa Member, Apache Software Foundation Research Scientist, Lanka Software Foundation
    • Outline Goals: Optimizing the deployments o Message performance o Reduce footprint Design and Capacity Planning Design for Performance and Minimal footprint o Select right transport o Minimize footprint and maximize sharing - MT - Using Carbon o Tuning Wrapping Up
    • About Mission critical webinarseries
    • Example Scenario
    • Outline on Capacity planning We discussed this in the Asanka’s webinar last week Rough task list o Design an architecture o Estimate expected capacity of the who system o Find the capacity for each type of node o Calculate the number of nodes required o Build a POC and verify
    • Outline on Capacity planning (Contd.)
    • Our Goal Building smaller systems saves lot of money and effort o Maximizing the performance o minimizing the footprint This webinar explains how to capitalize WSO2 products to that end
    • How? WSO2 Platform provides several techniques to optimize deployments Some of the techniques o Selecting the right transport o New performance improvements to ESB o Use carbon to create minimal servers o Use Multi-tenancy to maximize sharing o Tuning your setup
    • Select the right Message Transport WSO2 platform provide several choices for your system to communicate o SOAP o HTTP/JSON o Thrift o AMQP o Others - XMPP - TCP - Mail/ SMTP - FTP - Domain specific formats like FIX
    • Message Transports Performance Interopera Reliability Security Asynchron (2 core, 4G bility ous with 4-10K messaging messages ) TPS SOAP 2K Very good Has WS- ? transactions Security/SSLJSON+HTT 5k Good X SSL X P Thrift 20K-100K OK, but not X SSL X widely adopted AMQP 1K OK within Has SSL Yes JMS transactions systems and persistent messaging
    • Select the right Message Transport Several concerns o Performance o Interoperability o Support for Add-On features like transactions, reliability, security o Ease of use o Asynchronous nature Use what is enough o E.g. internal communication can use thrift while external communication can use HTTP/JSON for SOAP
    • Select the right Message Transport
    • Data Bridge Highly optimized event collection framework o Many agents can emit events using the data bridge o They are collected and processed as receivers o Use by WSO2 CEP and WSO2 BAM Very Fast o Can do few 100k events per second o Uses Apache thrift o Asynchronous o Support buffering and batch delivery o Data formats are predefined and transferred as tuples
    • Minimize the Product Footprint What do we mean by foot print? o Product size (disk space, download) o Memory foot print o Unused functionality Two main ideas o Remove what is not needed o Maximize sharing WSO2 platform provides 2 choices to minimize the footprint o Use carbon to build a minimal Product o Use Multi-tenancy to maximize sharing
    • WSO2 Carbon  OSGI based components runtimes  Products are created by composing componentso Read “Carbon: towards a server building framework for SOA platform” for more details.
    • Build Minimal Product So you can customize and create a minimal product by adding and removing components  E.g. We were able to make WSO2 IS with 64MB heap this way for a given scenario. In smaller load cases, you can combine multiple products to a one product o E.g. Add service hosting to BPS
    • What is Multi-tenancy ? Many Parties share the same set of resources, while giving each one his own space
    • Why Multi-tenancy? 1. Increased sharing• Cloud shares resources across a large pool of users.• Now sharing happens in the application level as oppose to sharing at “There is no delight in owning anything unshared.” OS level for multiple Seneca (Roman philosopher, mid-1st century AD) processes and sharing at HW level with VMs.• That can bring greater savings photo by Ben Gray on Flickr, http://www.flickr.com/photos/ben_grey/4582294721/, Licensed under CC
    • Why Multi-tenancy? 2. Provide “pay for what youuse” • Often there will be many accounts in a PaaS or a SaaS, but only a fraction of them will be in use. • We cannot allocate runtime resource per account (disk may be ok, as it is cheap). For example, we cannot run a VM per account. • By sharing the same server with many users, Multi-tenancy provides much reduced runtime cost per server.
    • How does it Help?• All WSO2 products support • multi-tenancy • Running in the cloud in pay as you go fashion• So you can share same physical server across many (e.g. departments) logically• Or you can outsource some parts of the design to a PaaS (e.g. Stratos Live)
    • Recent Performance Improvements Native support for JSON Pass-through support for ESB Streaming Xpath and XSLT CEP 2.0
    • Native Support for JSON Now WSO2 platform has native support for JSON through Gson library
    • ESB Passthrough and Streaming XSLT
    • ESB Passthrough and Streaming XSLT ESB request = message + headers If mediation logic only depends on headers, we skip message building o Binary relay – we copy the message as bytes from input side to output side o Pass-through – we copy messages at NIO buffer level If mediation logic does not edit the message, but read the message, we build the message, but write the incoming bytes out as is to avoid serialization.
    • ESB Improved Performance
    • Complex Event Processor 2.0 Now CEP server 2.0 comes with a new runtime called Siddhi Very fast o About 2.5M events/sec with java events o About 250k events/sec over data bridge Supports Distributed Cache and Persistence for HA More details from o http://wso2.com/products/complex-event- processor/
    • Tuning OS Level Tuning o For example, http://www.lognormal.com/blog/2012/09/27/linu x-tcpip-tuning/ o Generally available with the product o It depends on OS etc. Product Tuning o Thread pools sizes mainly, there may be others Application Tuning o This is your application, it is good idea to do a profile and see.
    • Performance of a Server
    • What we expect from Tuning Goals o Max Throughput o Within Given Latency How do we know we are at Max? o Does resource consumption is high? o What are the resources - CPU - Memory - IO (Network and Disk) o At last one should max out o E.g. if you have too many locks, all above 3 may be low and you get sub-optimal throughput We fix problems via profiling o Detective time!!
    • Profiling First step is connect through JConsole, and get basic idea. Also monitor the load average, CPU usage, and IO operations (via top or Sar) Then you can switch to tools like JProfiler, Yourkit Important views o CPU views (bottlenecks) o Thread views and monitor views o Memory views (GC, allocations, and memory leaks) o IO and JDBC tracing
    • Some Profiling views
    • Some Profiling views
    • Conclusion Goals: Optimizing the deployments o Message performance o Reduce footprint Design and Capacity Planning Design for Performance and Minimal footprint o Select right transport o Minimize footprint and maximize sharing - MT - Using Carbon o Tuning We also discussed some of the new performance improvements.
    • Questions?