Add more logging to queue server produce fetch batch, a=chris

diff --git a/src/executables/QueueServer.php b/src/executables/QueueServer.php
index 0f9b3280c..beb86b739 100755
--- a/src/executables/QueueServer.php
+++ b/src/executables/QueueServer.php
@@ -2324,8 +2324,9 @@ class QueueServer implements CrawlConstants, Join
     {
         $i = 1; // array implementation of priority queue starts at 1 not 0
         $fetch_size = 0;
-        L\crawlLog("Scheduler: Start Produce Fetch Batch Memory usage ".
-            memory_get_usage() );
+        L\crawlLog("Scheduler: Start Produce Fetch Batch.");
+        L\crawlLog("Crawl Time is: ". $this->crawl_time);
+        L\crawlLog("Memory usage is " . memory_get_usage() );
         $count = $this->web_queue->to_crawl_queue->count;
         $schedule_time = time();
         $first_line = $this->calculateScheduleMetaInfo($schedule_time);