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@@ -98,7 +98,7 @@ It is so simple with O(1) disk reads that you are welcome to challenge the perfo
 
 SeaweedFS started by implementing [Facebook's Haystack design paper](http://www.usenix.org/event/osdi10/tech/full_papers/Beaver.pdf). 
 Also, SeaweedFS implements erasure coding with ideas from 
-[f4: Facebook’s Warm BLOB Storage System](https://www.usenix.org/system/files/conference/osdi14/osdi14-paper-muralidhar.pdf)
+[f4: Facebook’s Warm BLOB Storage System](https://www.usenix.org/system/files/conference/osdi14/osdi14-paper-muralidhar.pdf), and has a lot of similarities with [Facebook’s Tectonic Filesystem](https://www.usenix.org/system/files/fast21-pan.pdf)
 
 On top of the object store, optional [Filer] can support directories and POSIX attributes. 
 Filer is a separate linearly-scalable stateless server with customizable metadata stores,