Adding loggin to file.

config/logging.yml

@@ -1,15 +1,46 @@
 # you can override this using by setting a system property, for example -Des.logger.level=DEBUG
 es.logger.level: INFO
-rootLogger: ${es.logger.level}, console
+rootLogger: ${es.logger.level}, console, file
 logger:
   # log action execution errors for easier debugging
   action: DEBUG
   # reduce the logging for aws, too much is logged under the default INFO
   com.amazonaws: WARN
 
+  index.search.slowlog: TRACE, index_search_slow_log_file
+  index.indexing.slowlog: TRACE, index_indexing_slow_log_file
+
+additivity:
+  index.search.slowlog: false
+  index.indexing.slowlog: false
+
 appender:
   console:
     type: console
     layout:
       type: consolePattern
+      conversionPattern: "[%d{ISO8601}][%-5p][%-25c] %m%n"
+
+  file:
+    type: dailyRollingFile
+    file: ${path.logs}/${cluster.name}.log
+    datePattern: "'.'yyyy-MM-dd"
+    layout:
+      type: pattern
+      conversionPattern: "[%d{ISO8601}][%-5p][%-25c] %m%n"
+
+  index_search_slow_log_file:
+    type: dailyRollingFile
+    file: ${path.logs}/${cluster.name}_index_search_slowlog.log
+    datePattern: "'.'yyyy-MM-dd"
+    layout:
+      type: pattern
+      conversionPattern: "[%d{ISO8601}][%-5p][%-25c] %m%n"
+
+  index_indexing_slow_log_file:
+    type: dailyRollingFile
+    file: ${path.logs}/${cluster.name}_index_indexing_slowlog.log
+    datePattern: "'.'yyyy-MM-dd"
+    layout:
+      type: pattern
       conversionPattern: "[%d{ISO8601}][%-5p][%-25c] %m%n"