From: Theodore Ts'o Subject: Re: File limit inside a single directory Date: Fri, 13 Feb 2015 13:52:53 -0500 Message-ID: <20150213185253.GB26115@thunk.org> References: <54DD0091.1050104@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Andreas Dilger , Eric Sandeen , "linux-ext4@vger.kernel.org" To: suntrop@web.de Return-path: Received: from imap.thunk.org ([74.207.234.97]:45959 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752698AbbBMSw4 (ORCPT ); Fri, 13 Feb 2015 13:52:56 -0500 Content-Disposition: inline In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: On Fri, Feb 13, 2015 at 05:49:22PM +0100, suntrop@web.de wrote: > Thanks guys. I was afraid of having a couple 100K (at most). The > server support team told me not to have more than 10 to 20K. There > seems to be a misconception (for me and people from the CMS) about > the 32K subdirectory limit, but this ins't for files/folders within > a single directory but rather nested directories like > /1/2/3.../32000 In general the limitation you will hit first is one of performance, rather than a hard limit. Using nested directories, i.e., /home/t/y/t/tytso will generally be a performance win if you can do it. Cheers, - Ted