From 49bde5d286c1cc8cf7d144bf0685b6c23915de74 Mon Sep 17 00:00:00 2001
From: David Turner <david.turner@elastic.co>
Date: Mon, 27 Jan 2020 10:50:10 +0000
Subject: [PATCH] Remove DEBUG-level default logging from actions (#51459)

In 2bb31fe (v0.6.0!) we added DEBUG-level logging to the default config of
action loggers "for easier debugging". This change to the default config lives
on to this day. It does not obviously make debugging any easier any more, but
it does result in a good deal of log noise sometimes. This commit removes this
special case from the default config.

Closes #51198
---
 distribution/src/config/log4j2.properties     |  4 ---
 docs/reference/migration/migrate_7_7.asciidoc | 33 +++++++++++++++++++
 2 files changed, 33 insertions(+), 4 deletions(-)
 create mode 100644 docs/reference/migration/migrate_7_7.asciidoc

diff --git a/distribution/src/config/log4j2.properties b/distribution/src/config/log4j2.properties
index 913870d5a611f..be4ffc03f20ef 100644
--- a/distribution/src/config/log4j2.properties
+++ b/distribution/src/config/log4j2.properties
@@ -1,9 +1,5 @@
 status = error
 
-# log action execution errors for easier debugging
-logger.action.name = org.elasticsearch.action
-logger.action.level = debug
-
 appender.console.type = Console
 appender.console.name = console
 appender.console.layout.type = PatternLayout
diff --git a/docs/reference/migration/migrate_7_7.asciidoc b/docs/reference/migration/migrate_7_7.asciidoc
new file mode 100644
index 0000000000000..73271189929e5
--- /dev/null
+++ b/docs/reference/migration/migrate_7_7.asciidoc
@@ -0,0 +1,33 @@
+[[breaking-changes-7.7]]
+== Breaking changes in 7.7
+++++
+<titleabbrev>7.7</titleabbrev>
+++++
+
+This section discusses the changes that you need to be aware of when migrating
+your application to Elasticsearch 7.7.
+
+See also <<release-highlights>> and <<es-release-notes>>.
+
+coming[7.7.0]
+
+//NOTE: The notable-breaking-changes tagged regions are re-used in the
+//Installation and Upgrade Guide
+
+//tag::notable-breaking-changes[]
+
+//end::notable-breaking-changes[]
+
+[discrete]
+[[breaking_77_logging_changes]]
+=== Logging changes
+
+[discrete]
+==== Loggers under `org.elasticsearch.action` now log at `INFO` level by default
+
+The default log level for most loggers is `INFO`, but in earlier versions
+loggers in the `org.elasticsearch.action.*` hierarchy emitted log messages at
+`DEBUG` level by default. This sometimes resulted in a good deal of unnecessary
+log noise. From 7.7 onwards the default log level for logger in this hierarchy
+is now `INFO`, in line with most other loggers. If needed, you can recover the
+pre-7.7 default behaviour by adjusting your <<logging>>.