Steve Todorov steve-todorov

Motivation

Integrate JMH (Java Microbenchmarking Harness) with Spring (Boot) and make developing and running benchmarks as easy and convinent as writing tests.

Idea

Wrap the necessary JMH boilerplate code within JUnit to benefit from all the existing test infrastructure Spring (Boot) provides. It should be as easy and convinent to write benchmarks as it is to write tests.

TL;DR;

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

Clarify and agree on the scope of the system

User cases (description of sequences of events that, taken together, lead to a system doing something useful)
- Who is going to use it?
- How are they going to use it?

Influenced mostly by http://bl.ocks.org/mbostock/d1f7b58631e71fbf9c568345ee04a60e

Gmail and GitHub

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Pull Request

from:([email protected]) AND {"Patch Links" "approved this pull request." "requested changes on this pull request." "commented on this pull request." "pushed 1 commit." "pushed 2 commits." "pushed 3 commits."}

label: gh-pull-request

	apiVersion: apiextensions.k8s.io/v1beta1
	kind: CustomResourceDefinition
	metadata:
	name: ingressroutes.traefik.containo.us

	spec:
	group: traefik.containo.us
	version: v1alpha1
	names:
	kind: IngressRoute

	public class AuthenticationToken extends AbstractAuthenticationToken {

	private String token;

	public AuthenticationToken(String token) {
	super(null);
	this.token = token;
	setAuthenticated(false);
	}

	org.carlspring.strongbox.providers.repository.MavenProxyRepositoryProviderTestIT#whenDownloadingArtifactMetadataFileShouldBeMergedWhenExist

	Stacktrace
	java.lang.NullPointerException
	at org.carlspring.strongbox.providers.repository.MavenProxyRepositoryProviderTestIT.whenDownloadingArtifactMetadataFileShouldBeMergedWhenExist(MavenProxyRepositoryProviderTestIT.java:109)

	Standard Output
	01:13:10.177 03-02-2020 \| DEBUG \| kJoinPool-1-worker-2 \| o.c.strongbox.services.ArtifactManagementService \| Artifact checksum matchings: artifact-[strongbox:/storage0/rmmcjtit-snapshots/org/carlspring/strongbox/strongbox-metadata-one/2.0-SNAPSHOT/strongbox-metadata-one-2.0-20190512.202015-1-javadoc.jar]; ext-[md5]; matched-[[MD5]]; unmatched-[null]; checksum-[3397bc670f840b92ee0d7326ac0f4633]
	01:13:10.177 03-02-2020 \| DEBUG \| kJoinPool-1-worker-2 \| o.c.s.storage.checksum.ChecksumCacheManager \| Removed [strongbox:/storage0/rmmcjtit-snapshots/org/carlspring/strongbox/strongbox-metadata-one/2.0-SNAPSHOT/strongbox-metadata

	node {
	echo 'Results included as an inline comment exactly how they are returned as of Jenkins 2.121, with $BUILD_NUMBER = 1'
	echo 'No quotes, pipeline command in single quotes'
	sh 'echo $BUILD_NUMBER' // 1
	echo 'Double quotes are silently dropped'
	sh 'echo "$BUILD_NUMBER"' // 1
	echo 'Even escaped with a single backslash they are dropped'
	sh 'echo \"$BUILD_NUMBER\"' // 1
	echo 'Using two backslashes, the quotes are preserved'
	sh 'echo \\"$BUILD_NUMBER\\"' // "1"