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Date: Tue, 28 Mar 2023 01:32:26 +0000
From: Eric Wong <e@80x24.org>
To: Louis DeLosSantos <louis.delos@gmail.com>
Cc: meta@public-inbox.org
Subject: Re: Issues with `lei` as non-root
Message-ID: <20230328013226.M125137@dcvr>
References: <CAE6jdTpoNijeb8gMTX2D=CNWOKx7LuC9vpn24TwSaKAXqrpHOA@mail.gmail.com>
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Louis DeLosSantos <louis.delos@gmail.com> wrote:
> Hello,
> 
> I'm experimenting with `lei` as a nice search tool for `lore.kernel.org`
> 
> Everything works fine with the caveat that it seems to break if I'm not root.
> 
> When using `lei` as non-root we get this error:

I've never used lei as root nor has any part of public-inbox
ever been intended to run as root.

> ```
> E: Linux::Inotify2->new: Too many open files at
> /usr/share/perl5/vendor_perl/PublicInbox/DirIdle.pm line 40.
> connect(/run/user/1000/lei/5.seq.sock): Connection refused (after
> attempted daemon start)
> ```
> 
> Any ideas why this may occur? Is `lei` designed to only be ran as root
> or is Fedora installing perl in an odd fashion which results in root
> needing to be used?

What's the output of `ulimit -n` and `lsof -p $(lei daemon-pid)`?

(you may need to use `ps -ef |grep lei-daemon` to get the PID
if lei is broken and using too many FDs, though)

`ulimit -n' is the open file limit, typically 1024 or higher.

If `lsof -p $PID` may reveal a bug in lei which leaves too many
files open.  lei (especially with inotify on Linux) should use
far less than 1024.

(FreeBSD may end up using far more open files, but that's a
different story)