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-rw-r--r--docs/configuration.md12
1 files changed, 6 insertions, 6 deletions
diff --git a/docs/configuration.md b/docs/configuration.md
index 7a11a983d5..a6b1f15fda 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -684,24 +684,24 @@ Apart from these, the following properties are also available, and may be useful
<td><code>spark.ui.retainedJobs</code></td>
<td>1000</td>
<td>
- How many jobs the Spark UI and status APIs remember before garbage
- collecting.
+ How many jobs the Spark UI and status APIs remember before garbage collecting.
+ This is a target maximum, and fewer elements may be retained in some circumstances.
</td>
</tr>
<tr>
<td><code>spark.ui.retainedStages</code></td>
<td>1000</td>
<td>
- How many stages the Spark UI and status APIs remember before garbage
- collecting.
+ How many stages the Spark UI and status APIs remember before garbage collecting.
+ This is a target maximum, and fewer elements may be retained in some circumstances.
</td>
</tr>
<tr>
<td><code>spark.ui.retainedTasks</code></td>
<td>100000</td>
<td>
- How many tasks the Spark UI and status APIs remember before garbage
- collecting.
+ How many tasks the Spark UI and status APIs remember before garbage collecting.
+ This is a target maximum, and fewer elements may be retained in some circumstances.
</td>
</tr>
<tr>