docs: Document sampling behavior on TBS storage limit reached (#11663) (

#11678) Document sampling behavior on TBS storage limit reached. (cherry picked from commit f33e218) Co-authored-by: Carson Ip <[email protected]> Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
elastic · Sep 25, 2023 · f689fbf · f689fbf
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diff --git a/docs/configure/sampling.asciidoc b/docs/configure/sampling.asciidoc
@@ -65,6 +65,9 @@ This final policy is used to catch remaining trace events that don't match a str
 [id="sampling-tail-storage_limit-{input-type}"]
 == Storage limit
 The amount of storage space allocated for trace events matching tail sampling policies. Caution: Setting this limit higher than the allowed space may cause APM Server to become unhealthy.
+
+If the configured storage limit is insufficient, it logs "configured storage limit reached". The event will bypass sampling and will always be indexed when storage limit is reached.
+
 Default: `3GB`. (text)
 
 |====