percolator: `getTime` -> `time`

core/src/main/java/org/elasticsearch/index/percolator/stats/PercolateStats.java

@@ -132,7 +132,7 @@ public class PercolateStats implements Streamable, ToXContent {
     static final class Fields {
         static final XContentBuilderString PERCOLATE = new XContentBuilderString("percolate");
         static final XContentBuilderString TOTAL = new XContentBuilderString("total");
-        static final XContentBuilderString TIME = new XContentBuilderString("getTime");
+        static final XContentBuilderString TIME = new XContentBuilderString("time");
         static final XContentBuilderString TIME_IN_MILLIS = new XContentBuilderString("time_in_millis");
         static final XContentBuilderString CURRENT = new XContentBuilderString("current");
         static final XContentBuilderString MEMORY_SIZE_IN_BYTES = new XContentBuilderString("memory_size_in_bytes");

docs/reference/migration/migrate_2_0.asciidoc

@@ -720,3 +720,7 @@ to prevent clashes with the watcher plugin
 * `watcher.interval.low` is now `resource.reload.interval.low`
 * `watcher.interval.medium` is now `resource.reload.interval.medium`
 * `watcher.interval.high` is now `resource.reload.interval.high`
+
+=== Percolator stats
+
+Changed the `percolate.getTime` stat (total time spent on percolating) to `percolate.time` state.