chagne the defualt reader cleaner scheduler to 10 seconds

Author: kimchy

modules/elasticsearch/src/main/java/org/elasticsearch/index/cache/filter/support/AbstractConcurrentMapFilterCache.java

@@ -56,7 +56,7 @@ protected AbstractConcurrentMapFilterCache(Index index, @IndexSettings Settings
         super(index, indexSettings);
         this.cache = cache;
 
-        this.readerCleanerSchedule = componentSettings.getAsTime("reader_cleaner_schedule", TimeValue.timeValueMinutes(1));
+        this.readerCleanerSchedule = componentSettings.getAsTime("reader_cleaner_schedule", TimeValue.timeValueSeconds(10));
 
         logger.debug("Using [" + type() + "] filter cache with reader_cleaner_schedule [{}]", readerCleanerSchedule);