> > i am considering changing my mailbox format from maildir to mdbox. the > reason for this is mainly, b/c i have (a) multiple large mailboxes with > tens of thousands of mail files, and (b) most of these mails files have > a > size significantly smaller than the sector size of the disk. > > so, since the emails themselves are only about nGB large, the disk space > used is at least twice as much, if not even three times. > > i know, hard disk space is 'cheap', but still...
Also think about iops. rsyncing 10GB of small files takes a lot longer than 10 1GB files. > > but then i read at > > https://doc.dovecot.org/admin_manual/mailbox_formats/dbox/ > > the following: > > [...] you must not lose the dbox index files, as they can’t be > regenerated without data loss. I have read this also, and was also worried about this, but when I look at the flat m.988 file, I still have quite a lot of useful data there. Received: from xxxxx (localhost [127.0.0.1]) by xxxxxxx (8.15.2/8.15.2) with ESMTPS id 29IAeeZw2293734 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT) for <xxxxxxxxxx>; Tue, 18 Oct 2022 12:40:40 +0200 X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.5 at xxxxxxx Received: (from xxxxxx@localhost) by xxxxxxxxxx (8.15.2/8.15.2/Submit) id 29IAeeoF2293733 for xxxxxxx; Tue, 18 Oct 2022 12:40:40 +0200 From: xxxxx <xxxxxxxxxxxxx> Message-ID: <202210181040.29IAeeoF2293733@xxxxxxxxxxxxx> Date: Tue, 18 Oct 2022 12:40:40 +0200 To: <xxxxxxx> Subject: test User-Agent: Heirloom mailx 12.5 7/5/10 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Received-SPF: neutral (spf not configured) test R634e82ab V7e3 G18424b37ab824e63be3a0000fe361dd3 BINBOX