From mboxrd@z Thu Jan 1 00:00:00 1970 From: Danny Milosavljevic Subject: Re: bug#33676: GuixSD on eoma68-a20? Date: Sat, 15 Dec 2018 20:19:04 +0100 Message-ID: <20181215201904.62659d07@scratchpost.org> References: <68f9fc17-94f5-dcc2-f54d-61d6e2bf384d@riseup.net> <20181208181214.2308472a@scratchpost.org> <20181209215126.GA10968@jurong> <20181210113014.0e4e76eb@scratchpost.org> <20181210211224.GA7317@jurong> <20181214215026.66ac1df2@scratchpost.org> <20181215102906.GA4621@jurong> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/2qaKS_YJhEFpW4diPbxQZFZ"; protocol="application/pgp-signature" Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:37108) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gYFT2-0002qb-MH for guix-devel@gnu.org; Sat, 15 Dec 2018 14:19:17 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gYFSz-0002yR-CA for guix-devel@gnu.org; Sat, 15 Dec 2018 14:19:16 -0500 Received: from dd26836.kasserver.com ([85.13.145.193]:47686) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gYFSz-0002xG-4o for guix-devel@gnu.org; Sat, 15 Dec 2018 14:19:13 -0500 In-Reply-To: <20181215102906.GA4621@jurong> List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: Andreas Enge Cc: guix-devel@gnu.org, 33676@debbugs.gnu.org --Sig_/2qaKS_YJhEFpW4diPbxQZFZ Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi Andreas, On Sat, 15 Dec 2018 11:29:06 +0100 Andreas Enge wrote: > On Fri, Dec 14, 2018 at 09:50:26PM +0100, Danny Milosavljevic wrote: > > can you check whether dirindex (hashtables for directory) is enabled? > > # tune2fs -l /dev/... | grep -o dir_index > > See also https://blog.merovius.de/2013/10/20/ext4-mysterious-no-space-l= eft-on.html =20 >=20 > It was, and I disabled it. Hopefully this does not break anything... > But does this not mean a big performance hit on /gnu/store/.links? It does mean that because it uses a linear search to find the file names no= w. What ext filesystem is it? https://en.wikipedia.org/wiki/Ext4 says that ext4 supports B trees - which should have no problems with hash collisions (it uses operator< to construct a tree -- and not hashes to construct a list). --Sig_/2qaKS_YJhEFpW4diPbxQZFZ Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEds7GsXJ0tGXALbPZ5xo1VCwwuqUFAlwVU6gACgkQ5xo1VCww uqXPzAf+LHwmkROAgHY+KJMT7ZX2+yAuomP2qXnB5Yh+E+n25+c+R2gVWldL5yE7 6wmrQ09cgSiEZTJFIeiKiBVYnIDsJrnSFcPhqfMawkxr8SMibn0W5uCU0KcvnqPA G76lwJzkJjZAuNlrx0b0cP29dW7J7Qik7bWb1R+ozmACMcBElPyQr6QLY+DOYoEy 8Rr6OWzw/TehaZwDOxEC7gx+oFpAU2wnP21i1Op+dHGYXynPETmT/PX2dhM7Utmm A46tQQsEGhvu0/+c78SLcyrT8B5iu7ijyLHVOMV1fmgamH3QZ9OcLak10Gd3Ix6e woDhMhYgsdWWifuZYMIWu7XJUU5Jyg== =KOmW -----END PGP SIGNATURE----- --Sig_/2qaKS_YJhEFpW4diPbxQZFZ--