openGemini/openGeminiGoCNCF sandbox project, an open source distributed time-series database with high concurrency, high performance, and high scalability最終コミット 2026年7月4日1,170 stars (1,170 stars)175 forks (175 forks)34 件の索引済み issue (34 件の索引済み issue)34 件のオープンな good first issue (34 件のオープンな good first issue)