{"id":34977,"date":"2019-10-31T22:01:37","date_gmt":"2019-10-31T19:01:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/subd-cockroachdb-perehodit-na-nesvobodnuyu-litsenziyu\/"},"modified":"2019-10-31T22:01:37","modified_gmt":"2019-10-31T19:01:37","slug":"subd-cockroachdb-perehodit-na-nesvobodnuyu-litsenziyu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/subd-cockroachdb-perehodit-na-nesvobodnuyu-litsenziyu","title":{"rendered":"O SGBD CockroachDB passa a ter licen\u00e7a n\u00e3o livre","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Desenvolvedores do banco de dados distribu\u00eddo CockroachDB foi anunciado<\/a><\/noindex> sobre a tradu\u00e7\u00e3o dos textos fontes do projeto em uma combina\u00e7\u00e3o de licen\u00e7as<\/a><\/noindex> Business Source License (BSL) e Cockroach Community License (CCL), que n\u00e3o \u00e9 livre devido \u00e0 discrimina\u00e7\u00e3o de certas categorias de usu\u00e1rios. A licen\u00e7a BSL foi foi proposta<\/a><\/noindex> co-fundada pelos criadores do MySQL como uma alternativa ao modelo Open Core. A ess\u00eancia da BSL \u00e9 que o c\u00f3digo da funcionalidade estendida est\u00e1 inicialmente dispon\u00edvel para modifica\u00e7\u00f5es, mas por um determinado per\u00edodo pode ser utilizado gratuitamente apenas sob certas condi\u00e7\u00f5es, para as quais \u00e9 necess\u00e1rio adquirir uma licen\u00e7a comercial.<\/p>\n

A nova licen\u00e7a permite o uso do CockroachDB em qualquer n\u00famero de n\u00f3s no cluster e a incorpora\u00e7\u00e3o em aplica\u00e7\u00f5es, incluindo aquelas que s\u00e3o vendidas a clientes ou executadas como servi\u00e7os. A \u00fanica restri\u00e7\u00e3o que impede a classifica\u00e7\u00e3o da licen\u00e7a como livre e aberta \u00e9 a proibi\u00e7\u00e3o da venda de vers\u00f5es comerciais do CockroachDB como servi\u00e7os em nuvem. Para disponibilizar o CockroachDB na forma de servi\u00e7os em nuvem pagos, agora \u00e9 necess\u00e1ria a compra de uma licen\u00e7a comercial.<\/p>\n

O c\u00f3digo anteriormente publicado permanece<\/a><\/noindex> sob a licen\u00e7a Apache 2.0 e dispon\u00edvel para a cria\u00e7\u00e3o de forks. Al\u00e9m disso, ap\u00f3s tr\u00eas anos desde o lan\u00e7amento, o c\u00f3digo ser\u00e1 retirado da BSL e ser\u00e1 distribu\u00eddo sob a licen\u00e7a Apache 2.0 padr\u00e3o. Por exemplo, a vers\u00e3o esperada do
\n CockroachDB 19.2 at\u00e9 outubro de 2022 ser\u00e1 fornecida sob a licen\u00e7a BSL, e depois ser\u00e1 automaticamente relicenciada sob a licen\u00e7a Apache 2.0. Na opini\u00e3o dos desenvolvedores, essa mudan\u00e7a temporal permitir\u00e1 o desenvolvimento de um produto concorrente para aplica\u00e7\u00f5es DBaaS (banco de dados como servi\u00e7o), garantindo a abertura dos principais c\u00f3digos fontes e evitando a transi\u00e7\u00e3o para o modelo Open Core.<\/p>\n

Assim como no caso da relicen\u00e7a MongoDB<\/a><\/noindex>, dos m\u00f3dulos Redis<\/a><\/noindex> e TimescaleDB<\/a><\/noindex> A raz\u00e3o para a transi\u00e7\u00e3o para uma licen\u00e7a n\u00e3o livre \u00e9 a luta contra o parasitismo dos provedores de servi\u00e7os em nuvem, que criam produtos comerciais derivados e vendem bancos de dados abertos como servi\u00e7os em nuvem, mas n\u00e3o participam da comunidade e n\u00e3o ajudam no desenvolvimento. Isso cria uma situa\u00e7\u00e3o em que provedores de nuvem n\u00e3o relacionados ao projeto obt\u00eam lucro revendendo solu\u00e7\u00f5es abertas prontas, enquanto os pr\u00f3prios desenvolvedores ficam sem nada. <\/p>\n

Lembramos que o banco de dados CockroachDB \u00e9 orientado<\/a><\/noindex> para criar armazenamentos geograficamente distribu\u00eddos e horizontalmente escal\u00e1veis de alta confiabilidade, caracterizados por resist\u00eancia elevada e que n\u00e3o dependem de falhas de discos, n\u00f3s e centros de dados. Ao mesmo tempo, o CockroachDB garante a integridade das transa\u00e7\u00f5es ACID, oferece a possibilidade de usar SQL para manipula\u00e7\u00e3o de dados, permite altera\u00e7\u00f5es no esquema de armazenamento em tempo real, suporta \u00edndices e chaves estrangeiras, e possibilita replica\u00e7\u00e3o autom\u00e1tica e reequil\u00edbrio do armazenamento.<\/p>\n

<\/a><\/noindex><\/p>\n

Fonte: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0439 \u0421\u0423\u0411\u0414 CockroachDB \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0438 \u043e \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0435 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0445 \u0442\u0435\u043a\u0441\u0442\u043e\u0432 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430 \u0441\u0432\u044f\u0437\u043a\u0443 \u0438\u0437 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0439 Business Source License (BSL) \u0438 Cockroach Community License (CCL), \u043d\u0435 \u044f\u0432\u043b\u044f\u044e\u0449\u0443\u044e\u0441\u044f \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 \u0438\u0437-\u0437\u0430 \u0434\u0438\u0441\u043a\u0440\u0438\u043c\u0438\u043d\u0430\u0446\u0438\u0438 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u0439 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