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We4IT LCTY 2013 - x-pages-men - ibm domino xpages - performance in a nutshell
1.
AD208 IBM Domino®
XPages Performance in a Nutshell Originally presented by: Maire Kehoe | Advisory Software Engineer Tony McGuckin | Software Engineer Presented today by: Matthew Fyleman | Product / Project Manager - We4IT © 2013 IBM Corporation
2.
Please note:
IBM’s statements regarding its plans, directions, and intent are subject to change or withdrawal without notice at IBM’s sole discretion. Information regarding potential future products is intended to outline our general product direction and it should not be relied on in making a purchasing decision. The information mentioned regarding potential future products is not a commitment, promise, or legal obligation to deliver any material, code or functionality. Information about potential future products may not be incorporated into any contract. The development, release, and timing of any future features or functionality described for our products remains at our sole discretion. Performance is based on measurements and projections using standard IBM benchmarks in a controlled environment. The actual throughput or performance that any user will experience will vary depending upon many factors, including considerations such as the amount of multiprogramming in the user's job stream, the I/O configuration, the storage configuration, and the workload processed. Therefore, no assurance can be given that an individual user will achieve results similar to those stated here. 2 © 2013 IBM Corporation
3.
Welcome and Introductions
Maire Kehoe ─ Advisory Software Engineer: IBM Ireland – IBM Lotus® Domino XPages – IBM Lotus® Component Designer 6.0 – XPages Runtime SME, XPages TeamRoom, ExtLib – Joined IBM 2003 Author ─ XPages Portable Command Guide 3 © 2013 IBM Corporation
4.
Welcome and Introductions
Tony McGuckin ─ Senior Software Engineer: IBM Ireland – XPages Runtime SME – Product & Application Template Development – Customer Enablement & Proof-of-Concept Development – Co-creator of global XPages@... Workshops – Lotus OneUI Adoption Workgroup Author ─ Mastering XPages ─ XPages Portable Command Guide 4 © 2013 IBM Corporation
5.
Outline
XPages Architecture & Overview of a request ─ Environment – Domino HTTP server, OSGi plugins, loading NSF design elements ─ JSF & XPages control tree & lifecycle ─ Backend calls to get data sets The Tools ─ for finding and understanding performance problems AppDev choices ─ Most problems we're seeing in production applications are AppDev issues – in the Application Development and the XPage design Configuration options ─ And discuss the different types of performance issues they solve Shared Design & XPiNC considerations ─ Sharing design between applications, and XPiNC being XPages in the Notes® Client 5 © 2013 IBM Corporation
6.
XPages Architecture
& Overview of an XPage request 6 © 2013 IBM Corporation
7.
What is XPages? The
Notes/Domino App Dev Solution for Modern Web Applications Standards-based Web 2.0 rapid application development framework ─ Uses JavaServer Faces (JSF)/JavaScript on server side ─ Uses HTML/JavaScript/Dojo(TM) on the client side Java and OSGi-based runtime ─ fully integrated into Domino server, Notes client, IBM XWork server Component-based portable development model (write-once-run-anywhere) Set of design elements in Domino Designer Provides built-in Domino data sources ─ Out-of-the-box data sources for binding to Domino views and documents ─ Efficiently manages hierarchies of documents, seamlessly handles data model changes Highly extensible and customizable ─ Enables customers/business partners to build their own components, controls, data sources etc ─ e.g. XPages Social Enabler, XPages RBMS integration 7 © 2013 IBM Corporation
8.
What is an
XPage? A Domino design element, just like the traditional form or view A page of XML tags known as XSP markup Can be an aggregation of other mini-XSP files known as Custom Controls Each XSP tag represents a design artifact … e.g. controls ─ UI Control: like a simple button, link, or as complex as a calendar ─ Data Source: a mechanism that fetches data from a particular source for display in a control ─ Event Handler: custom logic that “handles” events on a page, typically done in JavaScript ─ Simple Action: a high level piece of executable logic, like Open a Page, Save a Document 8 © 2013 IBM Corporation
9.
What is an
XPage? XSP/JSF Hierarchy of XSP Markup – XML + HTML Components HTML in a browser 9 © 2013 IBM Corporation
10.
XPages Architecture
Client Request Domino HTTP Server XPages Servlet Engine 2.4 servlet engine Virtual J2EE modules No WAR deployment required The server directly reads the design elements from the NSF database NSF database containing the design elements & the data 10 © 2013 IBM Corporation
11.
XPages Architecture –
8.5.2++ NSF Applications NSF Applications XPages Extensions XPages Extensions OSGi bundles OSGi bundles XPD Profile XPages XPD Profile XPages Runtime +Web Runtime Container OSGi Runtime OSGi Runtime Domino HTTP Task Notes Client Process Domino Server Notes Client The XPages runtime is deployed as a set of OSGi bundles (plugins/jars) Extensions: within an NSF Application, or as separate XPages Extension bundles ─ XPages Open Source Libraries [ExtLib] (8.5.3UP1 | OpenNTF.org) (likely in N/D Next) ─ XPages Experimental Extensions [ExtLibX] (OpenNTF.org) (not in N/D) ─ 3rd party XPages extensions & use of 3rd party plugins (Apache, JDBC etc.) 11 © 2013 IBM Corporation
12.
XPages extends JavaServer
Faces Framework (JSF 1.1) The XPages Request Processing Lifecycle Phases 1. Restore View – Retrieves the JSF view for the request 2. Apply Request Values – Updates the JSF components to update their state based on values from the current request 3. Process Validations – Convertors and/or Validators invoked 4. Update model values – Application data is updated with new values. Values are written to the Domino back-end document during this phase. 5. Invoke applications – Application logic executed 6. Render response – Generates the response and saves the state of the view 12 © 2013 IBM Corporation
13.
XPages extends JavaServer
Faces Framework (JSF 1.1) http://www.ibm.com/developerworks/java/library/j-jsf2/ 13 © 2013 IBM Corporation
14.
A Request 14
© 2013 IBM Corporation
15.
Tools
for performance 15 © 2013 IBM Corporation
16.
XPages Toolbox v1.2
XPages based Application ─ Runs on the Domino server or the Notes client ─ An NSF needs to be installed on the Domino server/Notes client ─ A profiler jar file should be added to the JVM launch options Measures the CPU performance and the memory allocation Published on OpenNTF.org ─ Open source project ─ http://www.openntf.org/internal/home.nsf/project.xsp?action=openDocument&name=XPages %20Toolbox Extended in 8.5.2 to support Backend classes profiling 16 © 2013 IBM Corporation
17.
XPages Toolbox v1.2
CPU Profiler Memory Profiler 17 © 2013 IBM Corporation
18.
Heap Dumps -
XPages Toolbox v1.2 Generate a heap dump of the JVM running in the HTTP task ─ A button in the XPages profiler generates the heap dump ─ A command from the Domino console [added 8.5.3] – tell http xsp heapdump (triggers com.ibm.jvm.Dump.HeapDump()) – tell http xsp javadump (triggers com.ibm.jvm.Dump.JavaDump()) Analyze the heap dump using the Eclipse Memory Analyzer ─ http://www.eclipse.org/mat/ ─ and the related extension for IBM JVMs: IBM Diagnostic Tool Framework for Java Version 1.10 extension Heap dumps occur in production ─ when XPage(s) fail due to a java.lang.OutOfMemoryError 18 © 2013 IBM Corporation
19.
More Tools
Print statements ─ In rendered/visible computations to see how often executed – print("panel2 evaluating rendered property"); ─ In the XPages root control events: before/afterPageLoad, afterRestoreView, before/afterRenderResponse. Custom control root events: before/afterPageLoad. ─ In the document data source events: queryNewDocument, postSaveDocument, etc. – “post” means after, “query” means before and return true/false to do New/Open/Save Task Manager and/or Process Explorer ─ Shows CPU usage & process memory usage as it happens ─ Heap memory usage will be a subset of process memory, but heap dumps are only a snapshot Browser developer tools ─ for watching network transactions, partial updates, response times ─ Firefox(TM) – Firebug add-on. Internet Explorer(TM) – menu Tools, Developer Tools. ─ XPiNC – equivalent to Firefox 3.6.1, also in xsp.properties, find and enable: isDebug:true Java Debugging ─ Degrades performance but can inspect objects, step into code. Use the Eclipse Java debugger. ─ In Dominonotes.ini add these 2 options: JavaEnableDebug=1 ─ JavaDebugOptions=transport=dt_socket,server=y,suspend=n,address=8000 19 © 2013 IBM Corporation
20.
AppDev Choices
for performance 20 © 2013 IBM Corporation
21.
AppDev XPage design
optimizations Open Page simple action vs links or button with window.location JS Reducing server phase processing ─ Use partial update where possible ─ Use partial execute where possible ─ Use disableValidators & immediate event Minimizing work in rendered / visible computations Repeats & views ─ Using viewEntry.getColumnValue instead of viewEntry.getDocument.getColumn ─ Use Domino View data source dataCache property where possible & scope property Load-time vs Runtime ─ Using loaded vs rendered and other load-time optimizations ─ ExtLib Dynamic Content – allows partial re-loading so more use of load-time optimizations Loading resources in the browser ─ CSS & browser JS – extract to separate files. Minify & compress files ─ Images – use correct size & format. Use CSS Image Sprites as possible 21 © 2013 IBM Corporation
22.
Using GET requests
- Links & browser location redirect Instead of Open Page simple action, use links or Browser Script to redirect: <xp:link text="Open" id="link1"> <xp:this.value><![CDATA[#{javascript: "/topicThread.xsp?documentId=" + rowData.getUniversalID() + "&action=editDocument"}]]></xp:this.value> </xp:link> <xp:button value="Edit" id="button1"> <xp:eventHandler event="onclick" submit="false"> <xp:this.script><![CDATA[window.location.href = "/topicThread.xsp?documentId=" + "#{javascript:rowData.getUniversalID()}" + "&action=editDocument"; ]]> </xp:this.script></xp:eventHandler> </xp:button> Pros: Fewer browser round-trips, less server processing ─ Open Page simple action means a submit & lifecycle before redirect to the new page Cons: Not always possible – e.g. if need Save Document before Open Page ─ Or any server-side action or script needs to execute before moving to the new page 22 © 2013 IBM Corporation
23.
Full lifecycle
─ Most phases of the lifecycle iterate through the server-side control tree 23 © 2013 IBM Corporation
24.
Partial Update
─ Partial Update reduces the last phase: refreshMode="partial" refreshId="panel2" 24 © 2013 IBM Corporation
25.
Partial Update Pros:
Reduced control processing in the render response phase ─ Means less work on the server - render response is the most intensive phase Reduced network usage – smaller response from server. Better browser experience ─ rest of the page is still visible while waiting for a response ─ inserting small sections into the page is much faster than reloading a full page. Cons: Dependancy on computations outside of the partial update area ─ Other areas of the control tree are not processed, so any SSJS scripts in those other controls will not be run, so enabling Partial Update where it was previously full update may lead to functional problems where expected changes did not occur, or some state is out-of date. Only one area may be partial updated by default ─ In browser JavaScript you can schedule later partial updates of related areas, but any concurrent requests will wait for exclusive access to the server-side control tree before processing on the server. 25 © 2013 IBM Corporation
26.
Partial Execution ─
Partial Exec reduces the 3 data processing phases: execMode="partial" execId="panel2" 26 © 2013 IBM Corporation
27.
Partial Execution Pros:
Reduced control processing in the 3 data-processing phases ─ Means less work on the server, faster response times Cons: Dependancy on Edit Box values outside of the partial exec area ─ Submitted values from Edit Boxes and/or other input controls in other areas of the control tree are not processed, so any control values and document fields in those other areas will not be updated. Enabling Partial Exec where it was previously full execution may lead to functional problems where values are out-of date in the onclick script or in the redisplayed page. onclick Event Handler must be in the partial exec area ─ The applyRequestValues phase prepares for the invokeApplication phase. The onclick simple action or SSJS script won't occur if outside the partial exec area execMode only added in 8.5.1 (not in 8.5.0) execId slightly difficult to select in Designer ─ Select your button, in the Outline view, toggle open the button, select the child Event Handler control, then set the execId property on the Event Handler. ─ [Better UI proposed in Notes/Domino Next – in the Events tab] 27 © 2013 IBM Corporation
28.
Both - Partial
Update & Execution ─ Can combine partial update and partial execute: often exec and update the same area or exec a smaller area containing just the Event Handler or Event Handler and some inputs 28 © 2013 IBM Corporation
29.
disableValidators & immediate
─ For when you need a server-side action, but don't want the usual Data Processing disableValidators ─ 3 Data Processing Phases are same as usual, except each EditBox validator will do nothing ─ Converters are still applied, document fields are updated without validation Immediate ─ applyRequestValues phase is combined with invokeApplication phase. ─ No other Data processing phases. Document fields not updated. ─ Event Handler onclick scripts and renderResponse phase computed values will tend to see out-of-date values. To see up-to-date but not-converted values use: var editBox1 = getComponent('editBox1'); var value = editBox1.getSubmittedValue(); if( null == value ) value = editBox1.getValue(); 29 © 2013 IBM Corporation
30.
Minimizing work in
rendered / visible computations The rendered property is computed in all 5 lifecycle phases ─ Most properties, like CSS “style” are only computed in the renderResponse ─ Edit Box and input “value” properties are used in Data Processing phases & renderResponse ─ Data Source properties are computed during renderResponse & results are cached for the next request's Data Processing & invokeApplication phases Avoid re-computing performance-heavy values in every rendered property ─ e.g. @DbLookup, @DbColumn, getDocumentByKey ─ In the rendered property, save the computed boolean to a viewScope variable if( !viewScope.computedDisplayPanel2 ){ // should compute viewScope.isDisplayPanel2 = @DbLookup(...).contains("unread"); viewScope.computedDisplayPanel2 = true; } return viewScope.isDisplayPanel2; ─ Subsequent re-computing of rendered will not enter the “if” statement, and will complete quickly ─ If the computation depends only on user session information, save to sessionScope ─ If the computation depends on a value in a comboBox, remove the viewScope boolean in the comboBox onchange event 30 © 2013 IBM Corporation
31.
Avoid viewEntry.getDocument() in
large repeats viewEntry.getDocument() is a non-trivial ─ The API viewEntry.getDocument() is a call to the backend classes ─ Avoid calling it frequently, similar to avoiding @DbLookup in the rendered property ─ It should only be used for very small data-sets ─ It can easily cause performance delays when called repeatedly in 100s of rows Use viewEntry.getColumnValue instead. ─ If the value you need isn't an existing column value of the view, ─ Consider defining a new view that has all the column values you need In general, avoid complicated or slow operations in repeats ─ Even relatively benign operations can cause problems when repeated frequently ─ If you need to save row-related values to a viewScope variable, use this rowId in the variable name: var rowId = getComponent("viewPanel1").getDataModel().getRowId(); ─ in Domino views it's the NoteID, but the API is designed to work with non-Domino rows too 31 © 2013 IBM Corporation
32.
dataCache = full
or id The Domino View data source by default saves all view entry column values ─ They are computed in the render response Phase, saved & restored between requests and reused in the subsequent request's Data Processing Phases and invokeApplication phase Advantages: ─ to allow onclick events in repeat rows to use viewEntry.getColumnValue and still be reliable when rows have been deleted by other users between browser requests. ─ getColumnValue is useful with View Panel checkboxes for selected rows Disadvantages: ─ For large data sets, it takes a lot of work to save and restore all the viewEntries ─ That may cause delays, and requests will wait longer before displaying in the browser ─ The viewEntries use a lot of memory, which may contribute to OutOfMemoryError failures ─ Not needed usually, except in the case mentioned. Instead of saving all state use: <xp:dominoView dataCache="id" ... /> 32 © 2013 IBM Corporation
33.
Using loaded vs
rendered and other load-time optimizations Compute the loaded property on conditions ─ where you could compute the rendered property and save it to the view scope ─ it would never need to be recomputed for the rest of the interaction with this page ─ you don't need access to a repeat's rowData or viewEntry, or to any control's clientId: #{id:inputText1} Loaded ─ is only computed once in the createView phase – not re-computed in the 5 usual phases ─ false means the control is not created. So it can never be rendered. ─ true means the control is added to the control tree. You can still compute rendered when loaded evaluates to true. During the createView phase, things are different ─ Repeat controls do not repeat, so viewEntry objects are not available ─ ClientIds may evaluate to values that will change in subsequent requests ─ Scripts can't access controls in the control tree ─ When in repeat controls, Custom Control “compositeData” property values are unreliable Same for “Compute On Page Load” vs “Compute Dynamically” computed values before/afterPageLoad events are also during the createView phase 33 © 2013 IBM Corporation
34.
ExtLib Dynamic Content
Allows partial re-loading of part of an XPage in response to an event ─ so the loaded property is no longer restricted to calculations depending on values that are the same for the duration of this XPage ─ Allows more use of load-time optimizations ─ Still avoid re-evaluating during rendered evaluations ─ Loaded is only evaluated during the initial page load and during any events that trigger a reload of this section of the XPage Also allows choosing between child/facet areas to load ─ Both at initial page load, and ─ Changing which child/facet area is loaded in response to an event Other ExtLib controls are dynamic-enabled ─ ExtLib Tab Container control can load new tabs and content in response to an event ─ ExtLib Dialog control can load content just before the dialog is displayed, so not taking up memory on the server until needed. The ExtLib set of controls are available ─ part of the released 8.5.3 UpgradePack1 ─ on OpenNTF.org – also has the ExtLibX controls (including the experimental JDBC support) ─ planned to be included in Notes/Domino Next (present in the public Beta) 34 © 2013 IBM Corporation
35.
Loading Resources in
the browser For better performance in the browser. ─ for your resources (CSS files, images and browser JavaScript files), you want ─ Fewer requests to the server ─ Smaller files retrieved from the server (less bandwidth) Use the browser's cache where possible ─ use the same URLs to reference the same server files Inline JavaScript in a web page executes inline ─ as the page is being displayed, blocking the display of the rest of the page to the user ─ Use XSP.addOnLoad blocks to defer execution of scripts until after the initial inline load Browsers have limits on the number of concurrent network requests ─ Keeping it down to fewer files really matters 35 © 2013 IBM Corporation
36.
CSS & browser
JS Move inline CSS and browser JS to separate files ─ Extract CSS and browser JavaScript from inline in the HTML output to separate files (.css and .js), ─ to keep the HTML file size down ─ to allow browser caching of the CSS and JS files ─ Avoids repeating complicated CSS & JS snippets at multiple locations in the HTML Minify & compress CSS and JS files. ─ There are Dojo Toolkit build tools to minify. ─ In CSS files, removes whitespace and comments. ─ In JavaScript files, minify will also rename variables to shorter names. ─ Save zipped/compressed .gz copies of server-wide .css and .js files ─ the Domino HTTP server will serve the smaller .gz files to most browsers (older browsers don't support the feature) Since 8.5.3, use the XPages aggregate option in the Application Properties ─ Appends CSS files together, for server-wide files, and separately for application-specific files ─ Is aware of Dojo Modules, so can aggregate JS files that refer to other Dojo module .js files, and XPage Dojo Module resource references that would appear in the HTML <head> tag. 36 © 2013 IBM Corporation
37.
Images
Use correct file type depending on content ─ JPEG for complexed detailed images ─ PNG/GIF for simple images, fonts, transparencies Use the HTML <img tag “width” and “height” attributes ─ For faster HTML layout in the browser Size the image to size you intend to use ─ Resizing using html attributes height and width will delay the rendering of your page ─ Images larger than necessary will waste bandwidth Use CSS Image Sprites ─ If you have multiple small images, make a single larger image containing the smaller images ─ And use CSS to display just the relevant subset image at a <SPAN location in the page ─ For semantically significant sprites, provide an accessibility “title” attribute (as sprites don't use the IMG “alt” attribute, but you still want to assist blind users) ─ There's no specific XPages support for sprites, but they're used in the XPages OneIU themes 37 © 2013 IBM Corporation
38.
Configuration Options 38
© 2013 IBM Corporation
39.
Configuration Options -
General Performance options notes.ini HTTPJVMMaxHeapSizeSet=1 HTTPJVMMaxHeapSize=256M ─ The JavaTM memory allocation for the HTTP task ─ For servers using XPages use 256MB on 32bit machines, 1024MB on 64bit machines. JavaEnableDebug=1 JavaDebugOptions=transport=dt_socket,server=y,suspend=n,address=8000 JavascriptEnableDebug=1 (in Notes/Domino Next) ─ Debug has a performance degradation XPagesPreload=1 XPagesPreloadDB=teamdisc.nsf/ByAuthor.xsp ─ Will be covered in the XPiNC section, though also applies to the server Domino Administrator HTTP server "Enable logging to" disabled HTTP server thread count – defaults to 40. 39 © 2013 IBM Corporation
40.
Configuration Options -
xsp.properties Documented in Dominodatapropertiesxsp.properties.sample xsp.persistence.mode ─ Relates to OutOfMemoryError and server-side control tree caching. Also the related options: ─ xsp.persistence.file.maxviews, xsp.persistence.file.gzip, xsp.persistence.file.threshold, xsp.persistence.dir.xspstate xsp.application.timeout=30min xsp.session.timeout=30min ─ Server timeouts ibm.jscript.cachesize ─ Server-side JavaScript expression cache xsp.resources.aggregate ─ Fewer requests for CSS and JS files, aggregated files are cached in server & browser xsp.compress.mode=gzip ─ Network files are smaller (enabled by default) xsp.expires.global=10days ─ Browser expiration for CSS & JS global files [global == not in application] 40 © 2013 IBM Corporation
41.
Shared Design
+ XPages in the Notes Client 41 © 2013 IBM Corporation
42.
Shared Design and
some XPiNC issues & optimizations Notes has the feature “Single copy template” ─ Enable in a template, causes applications that will inherit from this template to include pointers or reference notes to this template's design elements, rather than including copies of the design elements themselves. ─ Keeps the NSF file size down, XPages runtime memory size uneffected – still loads the design elements into memory again for each application that uses the design elements. XPages has the feature “Single copy XPage design” ─ And the corresponding “XPage design store path”. Both added in 8.5.2. ─ Multiple applications point to a common nsf (not ntf) ─ Browser URLs will use the shared XPages css, images, browser JavaScript, giving browser caching. ─ XPages runtime server code will mostly share the same J2EE module – shared classloader, design elements loaded once, instead of per-application, etc. ─ App still behaves as a separate instance for: database object, applicationScope, sessionScope ─ Classic design elements (Views, Form, Agents...) are not shared ─ http://www-10.lotus.com/ldd/ddwiki.nsf/dx/Single_Copy_XPage_Design 42 © 2013 IBM Corporation
43.
43
© 2013 IBM Corporation
44.
Single copy XPage
design discussion1.nsf .xsp .css & .gif User browser HTTP sharedDiscuss.nsf Server .css & .gif .xsp User browser discussion2.nsf 44 © 2013 IBM Corporation
45.
XPages Preload
Notes.ini option, new in 8.5.3 ─ XPagesPreload=1 ─ XPagesPreloadDB=myServer!!myDb.nsf/myXPage.xsp,myLocalDb.nsf/test.xsp After restart, the first time an application is used, there's a delay ─ The first user to open an XPage in the application will have to wait while the OSGi plugins are loaded and the XPages runtime platform-wide settings are read, the XPage.class file is read from the NSF, etc. Preload will load the XPages runtime OSGi plugins PreloadDB will “fake” a request to the listed XPages ─ So that the initialization happens during the preload, just after startup, instead of during the first browser request for the application. ─ [It only loads the XPage itself, doesn't follow redirects or load CSS files, etc.] Preload in XPiNC ─ The “!!” syntax is used in XPages in the Notes Client (XPiNC) for loading remote applications, as opposed to local applications / local replicas. ─ Preload is especially useful with XPiNC remote apps, because the delay of fetching Design Elements and class files across the network is much slower than the server delay of reading them from the server file system. ─ Admins can push the notes.ini setting out to all Notes clients 45 © 2013 IBM Corporation
46.
HTTP server
Cold Start Request OSGi & XPages runtime time memory File System NSF class files & design elements memory File System NSF data memory File System Response 46 © 2013 IBM Corporation
47.
HTTP server
Warm Start Request OSGi & XPages runtime time memory NSF class files & design elements memory NSF data memory File System Response 47 © 2013 IBM Corporation
48.
XPiNC optimizations
You can combine both “Single copy XPage design” and “XPagesPreload” ─ However there were some issues when combining them in XPiNC in the 8.5.3 GA release, fixed in 8.5.3FixPack3. XPiNC issues waiting for network traffic ─ Network traffic can be grossly inflated by sub-optimal app design practices, e.g. – A computeWithForm prop on a Domino doc data source will pull the Form across the net – A Form element is arbitrarily large, e.g. includes all subforms and any other contained elements – each fetched individually. ─ Inefficient data access operations, e.g. – Opening documents on-the-fly within a data iterator / repeat control – Performing dynamic remote NSF lookups when computing “rendered” property values ─ Performance degrades even further on high latency networks ─ Worse case – There was a reported “perfect storm” app having 8minute delay on first opening in XPiNC – Optimize the application to reduce the usual AppDev issues (worse in XPiNC) down to 2min – Use XPagesPreload, no longer noticeable ─ There are proposed Notes/Domino Next options to improve the XPiNC behavior on slow networks for some scenarios 48 © 2013 IBM Corporation
49.
Local HTTP server
XPiNC Cold Start XPiNC OSGi & XPages runtime browser Request time Local File memory System NSF class files & design elements Server File memory Network System NSF data Server File memory Network System Response 49 © 2013 IBM Corporation
50.
Ending & related 50
© 2013 IBM Corporation
51.
Before You Leave
Please complete your session survey Session ID: AD208 Session Title: “IBM Domino XPages Performance in a Nutshell” 51 © 2013 IBM Corporation
52.
Q&A
Contact Information: tony.mcguckin@ie.ibm.com 52 © 2013 IBM Corporation mkehoe@ie.ibm.com
53.
XPages Portable Command
Guide – Book Signing – Wednesday – 2:30-3:30pm Tuesday ─ 01-30pm AD206 IBM Lotus Domino XPages: Embrace, Extend, Integrate. N Heidloff, P Edwards ─ 03-30pm AD203 IBM Domino Designer: Tips and Tricks for Maximum Productivity. K Howard, D O'Connor Wednesday ─ 01-30pm AD204 How To Develop Great Applications Using XPages Design Patterns. M Donnelley, T McGuckin ─ 03-00pm AD215 Let it Flow: XPages are Workflow's New Best Friend. Q Liang, S Wissel ─ 04-15pm AD205 Successfully Delivering XPages Projects - All Things Considered. M Donnelly, T McGuckin, P Edwards ─ 04-15pm AD202 Debug Server Side Javascript, Java, and XPages Apps Using the SSJS Debugger. M Blout, D O'Connor (Was Sunday) 08-00am JMP401 Master Class: XPages Performance - Inside Out. T McGuckin, M Kehoe 53 © 2013 IBM Corporation
54.
More Information
XPages.info – One Stop Shopping for XPages ─ http://xpages.info XPages Forum – Got Questions, Need Answers? ─ http://xpages.info/forum OpenNTF – Open Source Community ─ http://www.openntf.org Domino Application Development Wiki ─ http://www.lotus.com/ldd/ddwiki.nsf XPages Blog ─ http://xpagesblog.com IBM Educational Offerings ─ http://www.ibm.com/software/lotus/training/n8deducationofferings.html 54 © 2013 IBM Corporation
55.
Technical Education &
Certification IBM Education XPages Courses Course Name Fundamentals of IBM Lotus Domino 8.5.1 Application Development Introduction to IBM Lotus Domino 8.5 XPages Developing IBM Lotus Domino 8.5.2 Applications: Intermediate XPage Design Developing IBM Lotus Domino 8.5.2 Applications: Advanced XPage Design (New 6/11) Modernizing Domino Applications (New 8/11) Learning Roadmaps (New Developers) ─ New Developers ─ Experienced Developers IBM Resells TLCC XPages Courses (and Other App Dev & Admin Courses) New XPages Certification: Developing IBM Lotus Domino 8.5.2 Applications: Advanced XPage Design 55 © 2013 IBM Corporation
56.
Mastering XPages
Factoids... ─ Comprehensive 7 Part, 785 page volume ─ IBM Press publication ─ Authored by lead members of XPages development team ─ Features contributions from other key community members ─ Covers all aspects of XPages application development ─ Example-driven approach focusing on practical problems ─ Includes sample NSF downloads Available now @ IBM Connect bookstore Available online ─ www.ibmpressbooks.com/bookstore/product.asp?isbn=0132486482 ─ www.amazon.com/Mastering-XPages-Step-Step-Application/dp/0132486318 56 © 2013 IBM Corporation
57.
XPages Portable Command
Guide Factoids... ─ Compact 320 page volume ─ IBM Press publication ─ Authored by members of XPages & Domino Designer dev teams ─ Perfect complement to the popular Mastering XPages book, helping experienced XPages developers go even further ─ Thoroughly covers XSP properties, Command Manager instructions, INI variables, OSGi console commands, debugging, logging and more. ─ Dozens of practical examples providing immediate solutions Available now @ IBM Connect bookstore Available online: ─ www.ibmpressbooks.com/bookstore/product.asp?isbn=0132943050 ─ www.amazon.com/XPages-Portable-Command-Guide/dp/0132943050 57 © 2013 IBM Corporation
58.
XPages Extension Library
Factoids... ─ Comprehensive 600 page volume ─ IBM Press publication ─ Authored by a team of all-star XPages experts, Featuring contributions from key community members ─ Take full advantage of the XPages Extensibility Framework, Library & API ─ Step-by-step guide for developers of all experience levels ─ Combines reference material and practical use cases Available now @ IBM Connect bookstore Available online: ─ www.ibmpressbooks.com/bookstore/product.asp?isbn=0132901811 ─ www.amazon.com/XPages-Extension-Library/dp/0132901811 58 © 2013 IBM Corporation
59.
Legal disclaimer
© IBM Corporation 2013. All Rights Reserved. The information contained in this publication is provided for informational purposes only. While efforts were made to verify the completeness and accuracy of the information contained in this publication, it is provided AS IS without warranty of any kind, express or implied. In addition, this information is based on IBM’s current product plans and strategy, which are subject to change by IBM without notice. IBM shall not be responsible for any damages arising out of the use of, or otherwise related to, this publication or any other materials. Nothing contained in this publication is intended to, nor shall have the effect of, creating any warranties or representations from IBM or its suppliers or licensors, or altering the terms and conditions of the applicable license agreement governing the use of IBM software. References in this presentation to IBM products, programs, or services do not imply that they will be available in all countries in which IBM operates. Product release dates and/or capabilities referenced in this presentation may change at any time at IBM’s sole discretion based on market opportunities or other factors, and are not intended to be a commitment to future product or feature availability in any way. Nothing contained in these materials is intended to, nor shall have the effect of, stating or implying that any activities undertaken by you will result in any specific sales, revenue growth or other results. Performance is based on measurements and projections using standard IBM benchmarks in a controlled environment. The actual throughput or performance that any user will experience will vary depending upon many factors, including considerations such as the amount of multiprogramming in the user's job stream, the I/O configuration, the storage configuration, and the workload processed. Therefore, no assurance can be given that an individual user will achieve results similar to those stated here. Java and all Java-based trademarks are trademarks of Sun Microsystems, Inc. in the United States, other countries, or both. 59 © 2013 IBM Corporation
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