{"id":18758553,"url":"https://github.com/rollulus/kafka-streams-playground","last_synced_at":"2025-12-02T04:30:27.275Z","repository":{"id":144306882,"uuid":"55394769","full_name":"rollulus/kafka-streams-playground","owner":"rollulus","description":"A few examples for an early Kafka Streams preview, now *obsolete*","archived":false,"fork":false,"pushed_at":"2016-05-20T06:20:06.000Z","size":14,"stargazers_count":0,"open_issues_count":0,"forks_count":1,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-06-05T01:56:06.556Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"Scala","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/rollulus.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,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2016-04-04T08:07:24.000Z","updated_at":"2016-05-20T06:19:27.000Z","dependencies_parsed_at":null,"dependency_job_id":"2a2d43ce-d859-4dcd-a50a-4a814123af52","html_url":"https://github.com/rollulus/kafka-streams-playground","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/rollulus/kafka-streams-playground","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rollulus%2Fkafka-streams-playground","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rollulus%2Fkafka-streams-playground/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rollulus%2Fkafka-streams-playground/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rollulus%2Fkafka-streams-playground/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/rollulus","download_url":"https://codeload.github.com/rollulus/kafka-streams-playground/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/rollulus%2Fkafka-streams-playground/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":27445656,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-12-02T02:00:06.387Z","response_time":54,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"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":"2024-11-07T17:46:49.629Z","updated_at":"2025-12-02T04:30:26.959Z","avatar_url":"https://github.com/rollulus.png","language":"Scala","funding_links":[],"categories":[],"sub_categories":[],"readme":"Kafka Streams Playground (Obsolete)\n===================================\n\nHere are a few examples I made while experimenting with the Kafka Streams.\nAt the moment of writing (April 2016), Confluent provides a tech preview version of Kafka Streams in their 2.1.0-alpha version of their platform.\nI hope that my examples help others getting getting started.\n\nMy examples source from the [Twitter Kafka Connector](https://github.com/Eneco/kafka-connect-twitter).\nAVRO serialized `TwitterStatus` are used as input.\n\nUsage\n=====\n\n    mvn package\n    java -cp target/kafka-streams-playground-0.1-jar-with-dependencies.jar com.github.rollulus.myprocessor.TweetsPerMinuteEventTime tweets-per-user-counter.properties\n\nTo run the `TweetsPerMinuteCounter` example. Despite the name, `tweets-per-user-counter.properties` can be used for all examples. \n\nExample Stream Processors\n=========================\n\nTweetsPerUserCounter\n--------------------\n\nGives an unbounded count of tweets per user.\nThe key is the username, the value is a long.\n\nTweetsPerMinuteProcessingTime\n-----------------------------\n\nCounts tweets per minute at processing time, using `HoppingWindows`.\n\nTweetsPerMinuteEventTime\n------------------------\n\nCounts tweets per minute at event time (i.e. the timestamp assigned by Twitter).\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Frollulus%2Fkafka-streams-playground","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Frollulus%2Fkafka-streams-playground","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Frollulus%2Fkafka-streams-playground/lists"}