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pgbench already had code to check if the soft rlimit is too low for the specified number of connections. If too low, it errored out, telling the user to increase the limit. However, we can do better: If the hard limit allows, increase the soft limit to be sufficiently for the number of connections. It is common for the soft limit to be considerably lower than the hard limit, due to the danger of soft limits > 1024 breaking programs that use the select(2), as explained in [1]. [1]: https://0pointer.net/blog/file-descriptor-limits.html Author: Jelte Fennema-Nio <postgres@jeltef.nl> Reviewed-by: Andres Freund <andres@anarazel.de> Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://postgr.es/m/CAGECzQQh6VSy3KG4pN1d%3Dh9J%3DD1rStFCMR%2Bt7yh_Kwj-g87aLQ%40mail.gmail.com |
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| configure | ||
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| README.md | ||
PostgreSQL Database Management System
This directory contains the source code distribution of the PostgreSQL database management system.
PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.