adjust search range in reporter.py to match cron interval

var/local/xcache/reporter.py

@@ -17,8 +17,9 @@ BASE_DIR = '/data/xrd/namespace'
 # for now, parse the modified files from log files
 logfiles = ["/data/xrd/var/log/xrootd.log", "/data/xrd/var/log/xrootd.log.1"]
 
+# should match exactly the range since the last time this was run
 ct = time.time()
-start_time = ct - 3600
+start_time = ct - 1800
 end_time = ct
 
 if 'XC_SITE' not in os.environ: