Github user markap14 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2509#discussion_r180211928
--- Diff: nifi-docs/src/main/asciidoc/developer-guide.adoc ---
@@ -1751,6 +1751,12 @@ will handle your Processor:
will always be set to `1`. This does *not*, however, mean that
the Processor does not have to be thread-safe,
as the thread that is executing `onTrigger` may change between
invocations.
+ - `PrimaryNodeOnly`: Apache NiFi, when clustered, offers two modes of
execution for Processors: "Primary Node" and
+ "All Nodes". Although running in all the nodes offers better
parallelism, some Processors are known to cause unintended
+ behaviors when run in multiple nodes. For instance, some
Processors lists or reads files from remote filesystems. If such
--- End diff --
Typo in the docs: think it should read "some Processors list or read files"
rather than "lists of reads"
---