Github user aledsage commented on a diff in the pull request:
https://github.com/apache/brooklyn-docs/pull/79#discussion_r68123295
--- Diff: guide/ops/requirements.md ---
@@ -19,6 +19,43 @@ at least 8GB RAM and 100GB disk. The disk is just for
logs, a small amount of pe
any binaries for custom blueprints/integrations.
+### Disk Space
+
+There are three main consumers of disk space:
+
+* **Static files**: these are the Apache Brooklyn files themselves, plus
+ binaries for custom blueprints and integrations added to the `lib`
directory.
+* **Persisted state**: when using [Persistence](persistence/index.html) --
which
+ is a prerequisite for [High Availability](high-availability.html) --
Brooklyn
+ will save data to a store location. Items in the persisted state include
+ metadata about the Brooklyn servers, catalog items, and metadata about
all
+ running applications and entities.
+* **Log files**: Brooklyn writes detailed log files by default to its own
+ installation directory. This can be reconfigured to change the
destination
+ files, and increase or decrease the detail of the logs. See the
+ [Logging](logging.html) page for more details.
+
+
+The Apache Brooklyn distribution itself, when unpacked, consumes
approximately
+75MB of disk space. The space consumed by additional binaries for custom
+blueprints and integrations is application-specific.
+
+Persisted state, excluding catalog data, is relatively small, starting at
+approximately 300KB for a clean, idle Brooklyn server. Deploying
blueprints will
+add to this - how much depends exactly on the entities involved and is
therefore
+application specific, but as a guideline, a 3-node Riak cluster adds
+approximately 500KB to the persistence store.
+
+Log data can be a large consumer of disk space. By default Brooklyn
generates
+two logfiles, one which logs notable information only, and another which
logs at
--- End diff --
You're right - I just talked to someone about doing this! It's not been
done.
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