{"id":20882434,"url":"https://github.com/1ambda/hadoop","last_synced_at":"2026-04-01T20:29:20.935Z","repository":{"id":24638350,"uuid":"28047664","full_name":"1ambda/hadoop","owner":"1ambda","description":null,"archived":false,"fork":false,"pushed_at":"2015-04-06T11:31:27.000Z","size":1192,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-12-26T21:59:19.863Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"Prolog","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/1ambda.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2014-12-15T17:24:28.000Z","updated_at":"2015-04-06T11:31:28.000Z","dependencies_parsed_at":"2022-07-24T02:15:05.159Z","dependency_job_id":null,"html_url":"https://github.com/1ambda/hadoop","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/1ambda/hadoop","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/1ambda%2Fhadoop","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/1ambda%2Fhadoop/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/1ambda%2Fhadoop/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/1ambda%2Fhadoop/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/1ambda","download_url":"https://codeload.github.com/1ambda/hadoop/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/1ambda%2Fhadoop/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":31291638,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-01T13:12:26.723Z","status":"ssl_error","status_checked_at":"2026-04-01T13:12:25.102Z","response_time":53,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-18T07:31:40.796Z","updated_at":"2026-04-01T20:29:20.891Z","avatar_url":"https://github.com/1ambda.png","language":"Prolog","funding_links":[],"categories":[],"sub_categories":[],"readme":"hadoop note\n======\n\n### Intro to Hadoop and MapReduce\n\nCloudera, Udacity\n\n### Install on OSX\n\n- \"코드를 데이터가 있는 곳으로 보내자.\" 데이터의 양이 많아지면 유리\n- 하둡은 scale up 이 아니라 scale out\n- 관계형 테이블이 아닌 Key/Value\n- 선언적 언어(SQL) 이 아닌 기능적 프로그래밍(MR)\n- 온라인 처리가 아닌, 오프라인 배치 처리\n\n\"MR 로 작성하면, 1대에서 돌아가는 프로그램을 100대, 1000대에서 돌리는건 문제도 아니다.\"\n\n### Hadoop Install on OSX\n\n[Installation Guide](http://amodernstory.com/2014/09/23/installing-hadoop-on-mac-osx-yosemite/)\n\nhdfs-site.xml 에 다음 추가. 폴더도 만들고\n\ndfs.namenode.name.dir\nfile:/usr/local/Cellar//hadoop/hdfs/namenode\n\ndfs.datanode.data.dir\nfile:/usr/local/Cellar//hadoop/hdfs/datanode\n\nhstart, hstop\nhadoop jar \u003cexample jar\u003e pi 10 100\n\nResource Manager: http://localhost:50070\nJobTracker: http://localhost:8088\nSpecific Node Information: http://localhost:8042\n\n### Wordcount Sample Code\n\n[Sample Code](https://hadoopi.wordpress.com/2013/05/25/setup-maven-project-for-hadoop-in-5mn/)\n\n### Gradle\n\n```gradle\ndependencies {\n    compile group: 'commons-collections', name: 'commons-collections', version: '3.2'\n    compile('org.springframework.boot:spring-boot-starter:1.2.2.RELEASE')\n    compile('org.apache.hadoop:hadoop-core:1.2.1')\n   \tcompile('org.apache.hadoop:hadoop-common:2.6.0')\n   \tcompile('org.apache.hadoop:hadoop-hdfs:2.6.0')\n   \tcompile('org.apache.hadoop:hadoop-auth:2.6.0')\n\n    testCompile group: 'junit', name: 'junit', version: '4.+'\n}\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2F1ambda%2Fhadoop","html_url":"https://awesome.ecosyste.ms/projects/github.com%2F1ambda%2Fhadoop","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2F1ambda%2Fhadoop/lists"}