使用 Node.js 时设置连接池和溢出限制
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配置在使用 Node.js knex 模块连接到 Cloud SQL for PostgreSQL 时的连接池大小和溢出。
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[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[],[],null,["# Set connection pool and overflow limits when using Node.js\n\nConfigure the connection pool size and overflow when connecting to Cloud SQL for PostgreSQL by using the Node.js knex module.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Manage database connections](/sql/docs/postgres/manage-connections)\n\nCode sample\n-----------\n\n### Node.js\n\n\nTo authenticate to Cloud SQL for PostgreSQL, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n // 'max' limits the total number of concurrent connections this pool will keep. Ideal\n // values for this setting are highly variable on app design, infrastructure, and database.\n config.pool.max = 5;\n // 'min' is the minimum number of idle connections Knex maintains in the pool.\n // Additional connections will be established to meet this value unless the pool is full.\n config.pool.min = 5;\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=cloud_sql_postgres)."]]