Merge branch 'stable-2.14' into stable-2.15

* stable-2.14:
  Add missing documentation of 'all' option on list projects REST API
  Evict database idle connections

Change-Id: I8750823c160168a52b8c96b7098c3701fa712e77

Documentation/rest-api-projects.txt

@@ -324,6 +324,33 @@ GET /projects/?type=PERMISSIONS HTTP/1.0
   }
 ----
 
+All::
+Get all projects, including those whose state is "HIDDEN".
++
+.Request
+----
+GET /projects/?all HTTP/1.0
+----
++
+.Response
+----
+  HTTP/1.1 200 OK
+  Content-Disposition: attachment
+  Content-Type: application/json; charset=UTF-8
+
+  )]}'
+  {
+    "All-Projects" {
+      "id": "All-Projects",
+      "state": "ACTIVE"
+    },
+    "some-other-project": {
+      "id": "some-other-project",
+      "state": "HIDDEN"
+    }
+  }
+----
+
 [[get-project]]
 === Get Project
 --

gerrit-server/src/main/java/com/google/gerrit/server/schema/DataSourceProvider.java

@@ -138,6 +138,9 @@ public class DataSourceProvider implements Provider<DataSource>, LifecycleListen
               MILLISECONDS.convert(30, SECONDS),
               MILLISECONDS));
       ds.setInitialSize(ds.getMinIdle());
+      long evictIdleTimeMs = 1000L * 60;
+      ds.setMinEvictableIdleTimeMillis(evictIdleTimeMs);
+      ds.setTimeBetweenEvictionRunsMillis(evictIdleTimeMs / 2);
       ds.setValidationQuery(dst.getValidationQuery());
       ds.setValidationQueryTimeout(5);
       exportPoolMetrics(ds);