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#deduplication

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BLACKVOID ⚫️<p>Testing some more concurrent operations on the new <a href="https://mastodon.social/tags/Synology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Synology</span></a> <a href="https://mastodon.social/tags/DS925" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DS925</span></a>+ as part of the upcoming <a href="https://mastodon.social/tags/review" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>review</span></a></p><p>Dual <a href="https://mastodon.social/tags/ActiveBackupForBusiness" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ActiveBackupForBusiness</span></a> remote <a href="https://mastodon.social/tags/windows11" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>windows11</span></a> machines (testing the <a href="https://mastodon.social/tags/deduplication" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deduplication</span></a> in the process), along a simple file copy onto an external <a href="https://mastodon.social/tags/USB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>USB</span></a> <a href="https://mastodon.social/tags/SSD" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SSD</span></a> <a href="https://mastodon.social/tags/OWC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OWC</span></a> enclosure.</p><p>(yes 3rd party external drives work just fine!)</p><p>The NAS is nice and calm with no performance issues at all.</p>
BLACKVOID ⚫️<p>Testing <a href="https://mastodon.social/tags/Synology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Synology</span></a> <a href="https://mastodon.social/tags/ActiveProtectManager" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ActiveProtectManager</span></a> and <a href="https://mastodon.social/tags/DP320" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DP320</span></a> appliance by making the ISO bare metal recovery media.</p><p>Let's see how fast this little machine can recover a 50GB setup.</p><p>The actual <a href="https://mastodon.social/tags/backup" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>backup</span></a> and <a href="https://mastodon.social/tags/deduplication" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deduplication</span></a> are working really well.</p>
Matt Knight<p>Would I be crazy to enable deduplication on the ZFS dataset for a Postgres database? It seems like it would massively reduce the size of snapshots, which I replicate remotely using send / receive (they’re encrypted too).</p><p>The database in question is &lt;20GB, and the server has 128GB RAM (plenty free). ZFS is on the (Proxmox) host, Postgres is in an LXC. Snapshots with Sanoid.</p><p><a href="https://mastodon.knight.fyi/tags/zfs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>zfs</span></a> <a href="https://mastodon.knight.fyi/tags/postgres" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>postgres</span></a> <a href="https://mastodon.knight.fyi/tags/postgresql" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>postgresql</span></a> <a href="https://mastodon.knight.fyi/tags/deduplication" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deduplication</span></a> <a href="https://mastodon.knight.fyi/tags/homelab" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>homelab</span></a> <a href="https://mastodon.knight.fyi/tags/selfhosted" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>selfhosted</span></a> <a href="https://mastodon.knight.fyi/tags/database" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>database</span></a> <a href="https://mastodon.knight.fyi/tags/proxmox" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>proxmox</span></a> <a href="https://mastodon.knight.fyi/tags/lxc" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>lxc</span></a> <a href="https://mastodon.knight.fyi/tags/sanoid" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sanoid</span></a></p>
R. L. Dane :Debian:<p>Never could get any of the contacts merge scripts kindly recommended to me by the <a href="https://alpha.polymaths.social/tags/askfedi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AskFedi</span></a> <a href="https://alpha.polymaths.social/tags/hivemind" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HiveMind</span></a> to work, but I finally found my own solution, which should hopefully work:</p><p>@libreoffice! ;) (and of course <span class="h-card"><a href="https://mastodon.online/@thunderbird" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>thunderbird</span></a></span>)</p><ol><li>Export contacts from Thunderbird to .csv</li><li>Make a copy of Contacts.csv for safekeeping, I called mine "Contacts-before-jiggerypokery.csv" ;)</li><li>Open Contacts.csv in LO Calc</li><li>Create a key column (A), put "Join" as the label in A1</li><li>Put <code>=TEXTJOIN(" ^ ",1,C2:AM2)</code> into A2 <em>(You may have to replace AM2 with the end of your row if your CSV export has a different number of columns than mine)</em></li><li>Copy that cell and paste it down the entire column A (for every row that contains something)</li><li>Select A1 only, go to Data | More Filters | Standard Filter...</li><li>Make sure your A1 field ("Join") is selected, select "Not Empty" for the value, click "&gt; Options" and select "No duplications" on the right</li><li>Hit Ok</li><li>Copy everything (now de-duped) to a new sheet, delete the old one</li><li>Create another new column (B) just to the right of the "Join" column, call it "Repeat?"</li><li>Paste <code>=IF(TEXTJOIN("",1,C3:D3)=TEXTJOIN("",1,C2:D2),"REPEAT","")</code> into B3</li><li>Copy B3 and paste it down the entire B column (down to the end of the data)</li><li>Look where you see REPEAT, and merge the rows that need to be merged</li><li>Delete Columns A and B (which you added), and save the CSV</li><li>Delete all of your contacts in Thunderbird, and import the new Contacts.csv</li><li>Pray</li><li>Sync your contacts</li><li>Enjoy!!!</li></ol><p><strong>Disclaimer, again: I am still going through my spreadsheet, so I don't know for sure that this works!! XD</strong></p><p><a href="https://alpha.polymaths.social/tags/managecontacts" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ManageContacts</span></a> <a href="https://alpha.polymaths.social/tags/contacts" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Contacts</span></a> <a href="https://alpha.polymaths.social/tags/deduplication" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DeDuplication</span></a> <a href="https://alpha.polymaths.social/tags/degoogled" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DeGoogled</span></a> <a href="https://alpha.polymaths.social/tags/ungoogled" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UnGoogled</span></a> <a href="https://alpha.polymaths.social/tags/howto" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HowTo</span></a></p>
dr. Sybren<p>I just wrote an article about how I removed duplicates from my GPS favourites.</p><p><a href="https://stuvel.eu/articles/gps-waypoint-deduplication/" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">stuvel.eu/articles/gps-waypoin</span><span class="invisible">t-deduplication/</span></a></p><p>It's basically working around a side-effect of Osmand not being able to sync favourites between devices. That's pretty much the only gripe I have with the app, the rest is working so well.</p><p><a href="https://mastodon.art/tags/osmand" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>osmand</span></a> <a href="https://mastodon.art/tags/GPS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GPS</span></a> <a href="https://mastodon.art/tags/python" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>python</span></a> <a href="https://mastodon.art/tags/deduplication" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deduplication</span></a> <a href="https://mastodon.art/tags/favourites" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>favourites</span></a></p>
Elias Probst<p><span class="h-card"><a href="https://social.wildeboer.net/@jwildeboer" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>jwildeboer</span></a></span> I believe, this might become a major issue with further growth of the <a href="https://mastodon.social/tags/Fediverse" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fediverse</span></a>, as huge amounts of data are now duplicated over and over again in the least efficient way.</p><p>A future solution might be a decentralized universal storage network comparable to <a href="https://mastodon.social/tags/IPFS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IPFS</span></a>, but with properly working <a href="https://mastodon.social/tags/deduplication" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>deduplication</span></a>.</p>
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