Unnecessary-PFS-read.md

+* Description:
+  Some code prepares some data and writes it to the filesystem.
+  Afterwards, the code reads repeatedly from the prepared file.
+  If the filesystem is a mounted PFS, this might lead to unnecessary network filesystem traffic.
+
+* Citerion:
+  First some write traffic.
+  Afterwards, continuous read traffic.
+  Additional criterion: application tagged as specific code (e.g. chemistry simulation code) that is known for this behavior.
+
+* Possible false positives:
+  Wrong recognition of affected application.
+
+* Possible cures/workarounds:
+  Use a node local filesystem, e.g. ram disk, instead of the network filesystem.
\ No newline at end of file