Speed of Lightning
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The document presents a forward-looking statement regarding Salesforce.com, Inc., highlighting potential risks and uncertainties that could affect financial results, particularly in the context of developing and delivering new products and services. It introduces a new metrics service within the Lightning framework aimed at measuring performance and improving the speed of applications, showcasing practical examples of its implementation. The presentation emphasizes the importance of current features in making purchasing decisions, while disclosing that unreleased services may face delays or may not be delivered at all.
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function(stackName)
{
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$A.Perf.mark("Fired
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//
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$mark all the things!](https://image.slidesharecdn.com/aast5ahtj67nux3gumfz-signature-7873c75031ac31677418d06ca1135ba58cf1db5a062456d83a04778887726afe-poli-151012220145-lva1-app6892/85/Speed-of-Lightning-16-320.jpg)
Speed of Lightning
- 1. Speed Of Lightning Diego Ferrero Val Steven Bougon Ashray Mathur
- 2. Safe harbor statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking statements that involve risks, uncertainties, and assumptions. If any such uncertainties materialize or if any of the assumptions proves incorrect, the results of salesforce.com, inc. could differ materially from the results expressed or implied by the forward-looking statements we make. All statements other than statements of historical fact could be deemed forward-looking, including any projections of product or service availability, subscriber growth, earnings, revenues, or other financial items and any statements regarding strategies or plans of management for future operations, statements of belief, any statements concerning new, planned, or upgraded services or technology developments and customer contracts or use of our services. The risks and uncertainties referred to above include – but are not limited to – risks associated with developing and delivering new functionality for our service, new products and services, our new business model, our past operating losses, possible fluctuations in our operating results and rate of growth, interruptions or delays in our Web hosting, breach of our security measures, the outcome of any litigation, risks associated with completed and any possible mergers and acquisitions, the immature market in which we operate, our relatively limited operating history, our ability to expand, retain, and motivate our employees and manage our growth, new releases of our service and successful customer deployment, our limited history reselling non-salesforce.com products, and utilization and selling to larger enterprise customers. Further information on potential factors that could affect the financial results of salesforce.com, inc. is included in our annual report on Form 10-K for the most recent fiscal year and in our quarterly report on Form 10-Q for the most recent fiscal quarter. These documents and others containing important disclosures are available on the SEC Filings section of the Investor Information section of our Web site. Any unreleased services or features referenced in this or other presentations, press releases or public statements are not currently available and may not be delivered on time or at all. Customers who purchase our services should make the purchase decisions based upon features that are currently available. Salesforce.com, inc. assumes no obligation and does not intend to update these forward-looking statements. Safe Harbor
- 3. Speakers Diego Ferreiro Val Architect Salesforce Ashray Mathur Lead Engineer Salesforce Steven Bougon Principal Engineer Salesforce
- 4. Agenda ❖ A Lightning App ❖ Metrics Service ❖ Instrument and Fix ❖ Making Lightning Experience Faster
- 5. Building a Lightning App Live Walkthrough
- 10. Click: Brewery API.cmp Beer.cmp calls creates calls creates Click: Search API.cmp Brewery.cmp Click: Load more API.cmp Brewery.cmp createscalls
- 11. Let’s go to … ● https://speed-of-lightning.herokuapp.com/ ● Developer Console
- 12. Metrics Service A tool to measure and analyze performance
- 13. What is Metrics Service?
- 14. “Metrics Service is a new module of Lightning Framework that allows you to measure your performance for every component in a modular, holistic and scalable way.”
- 15. Why?
- 16. $A.ns.AuraRenderingService.prototype.rerenderDirty = function(stackName) { var initialMarkName = "Rerendering-‐" + num; $A.Perf.mark(initialMarkName); $A.Perf.mark("Fired aura:doneRendering event"); // #if {"modes" : ["PTEST","STATS"]} var allRerendered = { "stackName" : stackName }; $A.Perf.mark("Fired aura:stackname", allRendered); // #end } Jiffy marks $mark all the things!
- 17. handler_aura_locationChange : function(component, event) { $A.mark("one:handler_aura_locationChange"); if (<CONDITION> { <PROCESSING> $A.endMark("one:handler_aura_locationChange"); return; } if (<CONDITION> { <PROCESSING> $A.endMark("one:handler_aura_locationChange"); return; } <PROCESSING> $A.endMark("one:handler_aura_locationChange"); } Jiffy marks $mark all the things!
- 18. Metrics Service example How to instrument your code in Lightning
- 19. API.cmp
- 20. var original = $A.createComponent; $A.createComponent = function () { // Do something before, in the context of the original before.apply(this, arguments); // Invoke original var ret = original.apply(this, arguments); // Do something after , in the context of the original after.apply(this, arguments); // Return original return ret; }; Aspect Oriented programming Relying on services and public APIS
- 21. Metrics Service - Brewery Server BeerApp API loadBreweries() requestAPI() DBCALLS() createComponent callback() beerApp.set(“v.breweries”, breweries) createComponent
- 22. MetricsService - Brewery Server BeerApp API loadBreweries() requestAPI() DBCALLS() createComponent callback() beerApp.set(“v.breweries”, breweries) createComponent Transaction
- 23. MetricsService - Example Example of how metricsService work using S1 (like: ObjectHome) $A.metricsService.transactionStart("S1App", "myStuff", {context:{}}) $A.metricsService.transactionEnd("S1App", "myStuff"); $A.metricsService.markStart("S1App", "foo", {context:{}}) $A.metricsService.markEnd("S1App", "foo", {context:{}})
- 24. Let’s instrument our Beer App!
- 25. Metrics Service Logs Deciphering the data
- 26. #tricks $A.metricsService.onTransactionEnd(function (t) { console.log(t); }); Logging transactions:
- 27. Let’s fix our Beer app!
- 29. Lightning Experience is Faster Lightning Fast! Upto ~85% Improvement in Page Load Times
- 30. Salesforce Classic vs Lightning Experience Performance Comparison Upto ~27% Faster than Salesforce Classic
- 32. Resources Metrics Service Doc Github code for this app Heroku getting started http://www.brewerydb.com/developers