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Robert Hensing c156155239 createUnixDomainSocket: listen(unix, 5 -> 100) 
This solves the error

    error: cannot connect to socket at '/nix/var/nix/daemon-socket/socket': Connection refused

on build farm systems that are loaded but operating normally.

I've seen this happen on an M1 mac running a loaded hercules-ci-agent.
Hercules CI uses multiple worker processes, which may connect to
the Nix daemon around the same time. It's not unthinkable that
the Nix daemon listening process isn't scheduled until after 6
workers try to connect, especially on a system under load with
many workers.

Is the increase safe?

The number is the number of connections that the kernel will buffer
while the listening process hasn't `accept`-ed them yet.
It did not - and will not - restrict the total number of daemon
forks that a client can create.

History

The number 5 has remained unchanged since the introduction in
nix-worker with 0130ef88ea in 2006.
2022-05-26 11:24:04 +02:00
.github Bump zeebe-io/backport-action from 0.0.7 to 0.0.8 2022-05-23 22:01:52 +00:00
config Run autoupdate 2021-06-01 11:42:38 +02:00
contrib function-trace: always show the trace 2019-09-18 23:23:21 +02:00
doc/manual Merge branch 'master' into debug-exploratory-PR 2022-05-25 10:41:10 -06:00
m4 autoconf: Fix C++17 detection not working on Ubuntu 16.04. 2019-07-03 04:32:25 +02:00
maintainers Integrate push-docker.sh into the release script 2022-02-18 13:58:01 +01:00
misc nix-daemon.service: sync LimitNOFILE with the nixos service 2022-05-19 21:16:07 +03:00
mk mk/run_test.sh: Add missing backslash 2022-03-02 21:36:46 +01:00
perl Remove std::string alias (for real this time) 2022-02-25 16:13:02 +01:00
scripts darwin-install: fix break from bad vimrc 2022-05-04 19:26:03 -05:00
src createUnixDomainSocket: listen(unix, 5 -> 100) 2022-05-26 11:24:04 +02:00
tests Handle EOFs in string literals correctly 2022-05-25 17:58:13 +02:00
.dir-locals.el .dir-locals.el: Set c-block-comment-prefix 2020-07-10 11:21:06 +02:00
.editorconfig Add .editorconfig 2017-06-05 22:57:28 +01:00
.gitignore Add unit tests for libexpr (#5377) 2022-05-06 18:05:27 +02:00
.version Bump version 2022-04-19 21:48:17 +02:00
boehmgc-coroutine-sp-fallback.diff Fix leaking pthread_attr_t 2021-11-03 22:54:16 +01:00
bootstrap.sh bootstrap: Simplify & make more robust. 2011-09-06 12:11:05 +00:00
configure.ac configure.ac: don't run sandbox-shell test when cross compiling 2022-05-24 17:00:27 +02:00
COPYING * Change this to LGPL to keep the government happy. 2006-04-25 16:41:06 +00:00
default.nix Remove url literals 2022-01-24 13:28:21 +01:00
docker.nix feat: include openssh in docker image 2022-04-14 13:49:47 +01:00
flake.lock flake.lock: Update 2022-04-05 16:41:40 +02:00
flake.nix Add libcxxStdenv devshell 2022-04-28 14:36:48 +02:00
local.mk Remove 'dist' target 2020-12-03 16:17:58 +01:00
Makefile Add unit tests for libexpr (#5377) 2022-05-06 18:05:27 +02:00
Makefile.config.in use LOWDOWN_LIBS variable 2022-01-30 20:59:58 +02:00
precompiled-headers.h Config: Use nlohmann/json 2020-08-20 11:02:16 +02:00
README.md throw freenode down the memory hole 2021-05-27 21:48:39 +02:00
shell.nix Remove url literals 2022-01-24 13:28:21 +01:00

README.md

Nix

Open Collective supporters Test

Nix is a powerful package manager for Linux and other Unix systems that makes package management reliable and reproducible. Please refer to the Nix manual for more details.

Installation

On Linux and macOS the easiest way to install Nix is to run the following shell command (as a user other than root):

$ curl -L https://nixos.org/nix/install | sh

Information on additional installation methods is available on the Nix download page.

Building And Developing

See our Hacking guide in our manual for instruction on how to build nix from source with nix-build or how to get a development environment.

Additional Resources

License

Nix is released under the LGPL v2.1.