anir

Official Exam Links & Resources

• Main certification landing page
• Handbook
• Importannt Tips
• CKAD FAQ

The Exam Itself

• CNCF Training Portal
• System Checker

arsho

Install Openshift OC Tool in Ubuntu 16.04

What is OC Tool?

OC tool stands for OpenShift Origin Client Tools

Environment

• Operating System : Ubuntu 16.04 LTS (64-bit)

chbaranowski

@RequestMapping("/api/v1/content")
@RestController
public class ContentController {

	@Autowired
	ContentRepository contentRepository;
	
	private final List<SseEmitter> emitters = new ArrayList<>();
	
	@RequestMapping(path = "/stream", method = RequestMethod.GET)

dsyer

Anatomy of Spring Boot Start Up Timing

When a Spring Boot app starts up with default (INFO) logging, there are some noticeable gaps (pauses). It's worth focusing on the gaps when looking for efficiency savings because of the amount of time they take, and because no-one bothered to log anything, so the chances are the app is doing something repetitive. We can tweak the logging levels to try and fill in the gaps and find out what is going on in there.

Basic empty web app with actuators has three such gaps:

0                                                                        1410ms
|------|---------------------------|-----|------|---------|--------|--------|
       |           578             |     |144(5)|         | 133(6) |

subfuzion

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

axtec

/*
 * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *