By shuffling the keywords on my google searches I was able to find this: https://lists.andrew.cmu.edu/pipermail/info-cyrus/2006-March/021405.html
Apparently there is a few settings to set to avoid copying the same message multiple times. This would be a nice addition to the cyrus docs on replication ! Le dim. 17 nov. 2019 à 18:00, <info-cyrus-requ...@lists.andrew.cmu.edu> a écrit : > Send Info-cyrus mailing list submissions to > info-cyrus@lists.andrew.cmu.edu > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus > or, via email, send a message with subject or body 'help' to > info-cyrus-requ...@lists.andrew.cmu.edu > > You can reach the person managing the list at > info-cyrus-ow...@lists.andrew.cmu.edu > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Info-cyrus digest..." > > > Today's Topics: > > 1. Cyrus doesn't preserve hard-links on replication > (Adrien Remillieux) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Sun, 17 Nov 2019 13:54:11 +0100 > From: Adrien Remillieux <adrien.remilli...@gmail.com> > To: info-cyrus@lists.andrew.cmu.edu > Subject: Cyrus doesn't preserve hard-links on replication > Message-ID: > <CAG-vtN=-03QQWkXGrVGjY= > ak+k8ez8lisz+cw83g1smzu9q...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Hello, > > I set up replication between two cyrus servers (master runs 2.5.10 and > slave 3.0.8) with plans to decommission the old server once everything is > working. I noticed that the mail spool takes 950GB instead of ~300GB on the > old server. I suspected the hardlinks for message deduplication weren't > recreated so I ran rdfind on the mail spool and the tool found many > identical files. Is there a cyrus tool to recreate the hardlinks ? I looked > at the admin tools but I didn't find anything. Rdfind should work but it > also matched metadata such as cyrus.annotations for example. So I need to > go through the 600 mB dry-run log file to exclude unwanted files. > > 99% of the log file look like that : Are those safe to hardlink ? > > # duptype id depth size device inode priority name > DUPTYPE_FIRST_OCCURRENCE 1030757 3 842 2065 330967752 3 > /var/spool/cyrus/mail/c/user/user1/15384. > DUPTYPE_WITHIN_SAME_TREE -1030757 3 842 2065 317750405 3 > /var/spool/cyrus/mail/m/user/user2/19262. > DUPTYPE_WITHIN_SAME_TREE -1030757 3 842 2065 323550741 3 > /var/spool/cyrus/mail/r/user/user3/96106. > DUPTYPE_WITHIN_SAME_TREE -1030757 3 842 2065 316733834 3 > /var/spool/cyrus/mail/m/user/user4/41168. > DUPTYPE_WITHIN_SAME_TREE -1030757 3 842 2065 314623377 3 > /var/spool/cyrus/mail/m/user/user5/25377. > DUPTYPE_WITHIN_SAME_TREE -1030757 3 842 2065 316201219 3 > /var/spool/cyrus/mail/m/user/user6/49119. > DUPTYPE_WITHIN_SAME_TREE -1030757 3 842 2065 321991878 3 > /var/spool/cyrus/mail/q/user/user7/46487. > > Cheers, > Adrien > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.andrew.cmu.edu/pipermail/info-cyrus/attachments/20191117/60161ca7/attachment-0001.html > > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > Info-cyrus mailing list > Info-cyrus@lists.andrew.cmu.edu > https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus > > > ------------------------------ > > End of Info-cyrus Digest, Vol 172, Issue 14 > ******************************************* >
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