vice-workers-for-performance  They are effectively a man in the middle for your page, hence HTTPS only  Most benefit for single page apps for offline support Putting Performance Best Practices Together http://www.slideshare.net/docluv/putting-performance-best-practices-together-for-a-spa  "We have created the web in our own image, and it is obese"  Modern web hourglass, web tier is now thin, smarts moved to (CEO, Operations, Developer, User)  Sunburst chart how do visitors move through my siteLinux Performance Tools by Brendan Gregg (Netflix) @brendangregg http://www.slideshare.net/brendangregg/velocity

DevOps Report – use of version control by Ops was the highest predictor of both IT performance & organizational performance d. MAKE INFRASTRUCTURE EASIER TO REBUILD THAN TO REPAIR i. Quickly building enables ability to learn from mistakes and diminish integrating that learning into future work d. Google Web Server (GWS) team was struggling with changes – Hard line: no changes would be accepted into GWS without haven’t been introduced iv. Integration tests – ensure correct interaction with other production applications and services g. CATCH ERRORS AS EARLY IN OUR AUTOMATED TESTING AS POSSIBLE i. A test suite’s

their code in production and help make changes to the infrastructure if necessary to improve performance.  Fairness and social responsibility: The workplace must be fair. Arbitrariness provokes negative of “rogue” application development, or shadow IT. There has been good reason for that. Rogue applications are often unreliable and insecure; IT winds up having to fix them when they become mission critical requires some sort of management.About the Author Mark Schwartz is an Enterprise Strategist at Amazon Web Services and the author of The Art of Business Value and A Seat at the Table: IT Leadership in the

Unlimited. Key Concepts The Three Ways [2] The First Way emphasizes the performance of the entire system, as opposed to the performance of a specific silo of work or department. The outcomes of putting the impossible to use. There’s a million mandatory fields and most of the time, the drop down boxes for ‘applications affected’ don’t even have what I need. It’s why I’ve stopped even putting in change requests

a subset of the IS ICD scope and/or Capability Drop (CD) documents for smaller items such as applications o Replace comprehensive Preliminary Design Reviews (PDRs) and Critical Design Reviews (CDRs) given year and the totality of delivered requirements within the entire development period of performance.  During the program execution phase, a high-level program estimate undergoes refinement to

Westrum was one of the first to observe the importance of organizational culture on safety and performance. Dr. Westrum defined three types of culture: a. Pathological organizations are characterized deployability? iii. Successful Brownfield transformations 1. CSG – COBOL mainframe and supporting applications a. They 2X release frequency b. Resulted in increased application reliability c. Reduced deployment

initiative is this: exactly how, and how much, will the investment affect and improve business performance? Mark’s reality check: I imagine a sort of Star Chamber—a dimly lit group of serious, hooded faces quote gets me every time. Exactly how and how much will the investment improve the business’s performance? Are they serious?  Do we know exactly how many consumers would buy our new product?  Exactly book is meant to be, really. About the Author Mark Schwartz is an Enterprise Strategist at Amazon Web Services and the author of The Art of Business Value and A Seat at the Table: IT Leadership in the

failure rate: how often software fails during production. Mean-time to recovery: how long it takes applications in the production stage to recover from failure. Key Principles to implementing a successful infrastructure must be measured and quantified, so that the total risks and impacts to software applications are understood.  Deploy immutable infrastructure, such as containers. The concept of immutable

recorded for auditing h. ENSURE SECURITY OF OUR SOFTWARE SUPPLY CHAIN i. Were often assembling applications from third-party components and integrating them with our business logic. We inherit the vulnerabilities objectives and integrate security telemetry into the same tools k. CREATING SECURITY TELEMETRY IN OUR APPLICATIONS i. Create relevant telemetry 1. Successful/unsuccessful logins 2. Password resets 3. Email

★★创建pod 创建单个pod，在可操作k8s集群的结点上创建一个yaml文件 # vi pod-nginx-web1-v1.19.5.yml #内容如下 apiVersion: v1 kind: Pod metadata: name: pod-nginx-web1-v1.19.5 #pod名，这个名称可带小数点 labels: labels: #给pod打标签，便于其他资源对它的选择 lbname: lbvalue-nginx-web1 spec: containers: #在spec次级，定义一组容器，-表示数组 - name: nginx-v1-19-5 metadata: name: svc-nginx-web1 #其他pod可直接访问此名称:servicePort，如 curl -kv h�p://svc-nginx-web1:2380/ spec: selector: #通过标签选择目标pod lbname: lbvalue-nginx-web1 #与目标pod的label相同，如果目标pod有多