<div dir="ltr"><div>By shuffling the keywords on my google searches I was able to find this: <a href="https://lists.andrew.cmu.edu/pipermail/info-cyrus/2006-March/021405.html">https://lists.andrew.cmu.edu/pipermail/info-cyrus/2006-March/021405.html</a></div><div><br></div><div>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 !</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le dim. 17 nov. 2019 à 18:00, <<a href="mailto:info-cyrus-request@lists.andrew.cmu.edu">info-cyrus-request@lists.andrew.cmu.edu</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Send Info-cyrus mailing list submissions to<br>
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Today's Topics:<br>
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1. Cyrus doesn't preserve hard-links on replication<br>
(Adrien Remillieux)<br>
<br>
<br>
----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Sun, 17 Nov 2019 13:54:11 +0100<br>
From: Adrien Remillieux <<a href="mailto:adrien.remillieux@gmail.com" target="_blank">adrien.remillieux@gmail.com</a>><br>
To: <a href="mailto:info-cyrus@lists.andrew.cmu.edu" target="_blank">info-cyrus@lists.andrew.cmu.edu</a><br>
Subject: Cyrus doesn't preserve hard-links on replication<br>
Message-ID:<br>
<CAG-vtN=-03QQWkXGrVGjY=<a href="mailto:ak%2Bk8Ez8LiSz%2Bcw83G1SMzU9qFFw@mail.gmail.com" target="_blank">ak+k8Ez8LiSz+cw83G1SMzU9qFFw@mail.gmail.com</a>><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
Hello,<br>
<br>
I set up replication between two cyrus servers (master runs 2.5.10 and<br>
slave 3.0.8) with plans to decommission the old server once everything is<br>
working. I noticed that the mail spool takes 950GB instead of ~300GB on the<br>
old server. I suspected the hardlinks for message deduplication weren't<br>
recreated so I ran rdfind on the mail spool and the tool found many<br>
identical files. Is there a cyrus tool to recreate the hardlinks ? I looked<br>
at the admin tools but I didn't find anything. Rdfind should work but it<br>
also matched metadata such as cyrus.annotations for example. So I need to<br>
go through the 600 mB dry-run log file to exclude unwanted files.<br>
<br>
99% of the log file look like that : Are those safe to hardlink ?<br>
<br>
# duptype id depth size device inode priority name<br>
DUPTYPE_FIRST_OCCURRENCE 1030757 3 842 2065 330967752 3<br>
/var/spool/cyrus/mail/c/user/user1/15384.<br>
DUPTYPE_WITHIN_SAME_TREE -1030757 3 842 2065 317750405 3<br>
/var/spool/cyrus/mail/m/user/user2/19262.<br>
DUPTYPE_WITHIN_SAME_TREE -1030757 3 842 2065 323550741 3<br>
/var/spool/cyrus/mail/r/user/user3/96106.<br>
DUPTYPE_WITHIN_SAME_TREE -1030757 3 842 2065 316733834 3<br>
/var/spool/cyrus/mail/m/user/user4/41168.<br>
DUPTYPE_WITHIN_SAME_TREE -1030757 3 842 2065 314623377 3<br>
/var/spool/cyrus/mail/m/user/user5/25377.<br>
DUPTYPE_WITHIN_SAME_TREE -1030757 3 842 2065 316201219 3<br>
/var/spool/cyrus/mail/m/user/user6/49119.<br>
DUPTYPE_WITHIN_SAME_TREE -1030757 3 842 2065 321991878 3<br>
/var/spool/cyrus/mail/q/user/user7/46487.<br>
<br>
Cheers,<br>
Adrien<br>
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