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PostgreSQL Asynchronous Commit that can be used in a similar way to Mongo's j: false; significantly speeding up writes, at the risk of losing most recent data modifications: https://www.postgresql.org/docs/current/wal-async-commit.html. There also are Unlogged Tables, with changes not written to the WAL (Write Ahead Log): https://www.crunchydata.com/blog/postgresl-unlogged-tables，更多细节参见heLLoword翻译官方下载
，更多细节参见哔哩哔哩
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TLS sessions are broken into the sending。同城约会对此有专业解读