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Diffstat (limited to 'docs/monitoring.md')
-rw-r--r-- | docs/monitoring.md | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/docs/monitoring.md b/docs/monitoring.md index 6fdf87b4be..5804e4f26c 100644 --- a/docs/monitoring.md +++ b/docs/monitoring.md @@ -114,8 +114,17 @@ The history server can be configured as follows: <td>spark.history.retainedApplications</td> <td>50</td> <td> - The number of application UIs to retain. If this cap is exceeded, then the oldest - applications will be removed. + The number of applications to retain UI data for in the cache. If this cap is exceeded, then + the oldest applications will be removed from the cache. If an application is not in the cache, + it will have to be loaded from disk if its accessed from the UI. + </td> + </tr> + <tr> + <td>spark.history.ui.maxApplications</td> + <td>Int.MaxValue</td> + <td> + The number of applications to display on the history summary page. Application UIs are still + available by accessing their URLs directly even if they are not displayed on the history summary page. </td> </tr> <tr> @@ -242,7 +251,8 @@ can be identified by their `[attempt-id]`. In the API listed below, when running <br>Examples: <br><code>?minDate=2015-02-10</code> <br><code>?minDate=2015-02-03T16:42:40.000GMT</code> - <br><code>?maxDate=[date]</code> latest date/time to list; uses same format as <code>minDate</code>.</td> + <br><code>?maxDate=[date]</code> latest date/time to list; uses same format as <code>minDate</code>. + <br><code>?limit=[limit]</code> limits the number of applications listed.</td> </tr> <tr> <td><code>/applications/[app-id]/jobs</code></td> |