{"id":29905515,"url":"https://github.com/project-tsurugi/yakushima","last_synced_at":"2025-08-01T19:14:21.656Z","repository":{"id":198119223,"uuid":"259493193","full_name":"project-tsurugi/yakushima","owner":"project-tsurugi","description":"Concurrent tree structure for in-memory index","archived":false,"fork":false,"pushed_at":"2025-07-29T11:30:07.000Z","size":1373,"stargazers_count":8,"open_issues_count":4,"forks_count":2,"subscribers_count":6,"default_branch":"master","last_synced_at":"2025-07-29T13:51:49.268Z","etag":null,"topics":["concurrent-data-structure","key-value-store","many-core","tsurugidb"],"latest_commit_sha":null,"homepage":"","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/project-tsurugi.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":".github/CODEOWNERS","security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null}},"created_at":"2020-04-28T00:54:08.000Z","updated_at":"2025-05-26T02:47:02.000Z","dependencies_parsed_at":"2023-10-04T13:18:40.650Z","dependency_job_id":"51813657-7b03-44c0-9576-b5a77e1e8e43","html_url":"https://github.com/project-tsurugi/yakushima","commit_stats":null,"previous_names":["project-tsurugi/yakushima"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/project-tsurugi/yakushima","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/project-tsurugi%2Fyakushima","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/project-tsurugi%2Fyakushima/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/project-tsurugi%2Fyakushima/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/project-tsurugi%2Fyakushima/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/project-tsurugi","download_url":"https://codeload.github.com/project-tsurugi/yakushima/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/project-tsurugi%2Fyakushima/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":268282397,"owners_count":24225164,"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":"2025-08-01T02:00:08.611Z","response_time":67,"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":["concurrent-data-structure","key-value-store","many-core","tsurugidb"],"created_at":"2025-08-01T19:14:10.867Z","updated_at":"2025-08-01T19:14:21.642Z","avatar_url":"https://github.com/project-tsurugi.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# yakushima - Concurrent data structure (Concurrent Tree).\n\n* In-memory key value store\n* concurrent tree based on Masstree\n* Easy to use due to Header only libirary.\n\n## Requirements\n\n* CMake `\u003e= 3.10`\n* C++ Compiler `\u003e= C++17`\n* build related libararies - on Ubuntu, you can install with following command.\nPlease check in advance whether ubuntu.deps is correct.:\n\n```\nsudo apt update -y \u0026\u0026 sudo apt install -y $(cat build_tools/ubuntu.deps)\n```\n\n```sh\n# retrieve third party modules\ngit submodule update --init --recursive\n```\n\n## Dockerfile\n```dockerfile\nFROM ubuntu:22.04\nRUN sudo apt update -y \u0026\u0026 sudo apt install -y $(cat build_tools/ubuntu.deps)\n```\n\n## How to build\n\n```sh\nmkdir build\ncd build\ncmake -G Ninja -DCMAKE_BUILD_TYPE=Debug ..\nninja\n```\n\navailable options:\n* `-DBUILD_BENCHMARK=OFF`\n   * Never build benchmark programs (default: `ON`)\n* `-DBUILD_TESTS=OFF` : never build test programs\u003cbr\u003e\ndefault : `ON`\n* `-DBUILD_DOCUMENTS=OFF` : never build documents by doxygen\u003cbr\u003e\ndefault : `ON`\n* `-DBUILD_STRICT=OFF` - don't treat compile warnings as build errors\u003cbr\u003e\ndefault : `ON`\n* `-DCMAKE_INSTALL_PREFIX=/path/to/yakushima/installed`\n* `-DFORMAT_FILES_WITH_CLANG_FORMAT_BEFORE_EACH_BUILD=ON` : use formatting for source files\u003cbr\u003e\ndefault : `OFF`\n* for debugging only\u003cbr\u003e\n  * `-DENABLE_SANITIZER=OFF` : disable sanitizers (requires `-DCMAKE_BUILD_TYPE=Debug`)\u003cbr\u003e\n  default : `ON`\n  * `-DENABLE_UB_SANITIZER=OFF` : enable undefined behavior sanitizer (requires `-DENABLE_SANITIZER=ON`)\u003cbr\u003e\n  default : `ON`\n  * `-DENABLE_COVERAGE=ON` : enable code coverage analysis (requires `-DCMAKE_BUILD_TYPE=Debug`)\u003cbr\u003e\n  default : `OFF`\n* for bench\n  * `-DENABLE_JEMALLOC=ON` : enable including jemalloc header for using as memory allocator via ld_preload.\u003cbr\u003e\n  default : `OFF`\n  * `-DPERFORMANCE_TOOLS=ON` : enable tooling to measure benchmark performance.\u003cbr\u003e\n  default : `OFF`\n\nYou can use one sanitizer from\n * address for AddressSanitizer\n * leak for LeakSanitizer\n * thread for ThreadSanitizer\n * undefined for UndefinedBehaviorSanitizer\n * memory for MemorySanitizer.\n\n### run tests\n\n```sh\nctest -V\n```\n\n### How to use\nSee [how_to_use.md](./docs/how_to_use.md) for details on how to use.\n\n### generate documents\n\n```sh\nninja doxygen\n```\n\n### code coverage\n\nRun cmake with `-DENABLE_COVERAGE=ON` and run tests.\nDump the coverage information into html files with the following steps:\n```\ncd build\nmkdir gcovr-html\nGCOVR_COMMON_OPTION='-e ../third_party -e ../test -e ../bench'\ngcovr  -r .. --html --html-details  ${GCOVR_COMMON_OPTION} -o gcovr-html/yakushima-gcovr.html\n```\nOpen gcovr-html/yakushima-gcovr.html to see the coverage report.\n\n## License\n\n[Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fproject-tsurugi%2Fyakushima","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fproject-tsurugi%2Fyakushima","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fproject-tsurugi%2Fyakushima/lists"}