diff --git a/filestoreIntegrity/filestoreIntegrity.py b/filestoreIntegrity/filestoreIntegrity.py
index d7b8681..9871cd0 100755
--- a/filestoreIntegrity/filestoreIntegrity.py
+++ b/filestoreIntegrity/filestoreIntegrity.py
@@ -6,6 +6,11 @@
 import argparse
 import urllib.request
 import urllib.error
+import logging
+
+FORMAT = "[%(asctime)s %(levelname)s] %(message)s"
+logging.basicConfig(level=logging.WARNING, format=FORMAT)
+logger = logging.getLogger()
 
 # check the integrity, and print the results to stdout or the specified file
 def runCheck(conn, outfile):
@@ -21,7 +26,9 @@ def runCheck(conn, outfile):
     # iterate through every artifact, and print the ones that don't check
     with outf:
         for repo in getRepoList(conn):
+            logger.debug('Checking repository: %s', repo)
             for artif in getArtifactList(conn, repo):
+                logger.debug('Checking: repo=%s artifact=%s', repo, artif)
                 response = checkArtifact(conn, repo, artif)
                 if response != None:
                     count += 1
@@ -33,20 +40,28 @@ def runCheck(conn, outfile):
 
 # request a list of all local repositories, and return them
 def getRepoList(conn):
+    logger.debug('Listing repositories...')
     stat, msg = runRequest(conn, '/api/repositories?type=local')
     if stat != 200:
         print('Error getting repository list: {}'.format(msg), file=sys.stderr)
         sys.exit(1)
-    return map(lambda x: x['key'], json.loads(msg.decode("utf-8")))
+    res = list(map(lambda x: x['key'], json.loads(msg.decode("utf-8"))))
+    logger.debug('Found %d repositories', len(res))
+    return res
 
 # request a list of all artifacts in a repository, and return them
 def getArtifactList(conn, repo):
+    logger.debug('Listing artifacts in repository: %s', repo)
     stat, msg = runRequest(conn, '/api/storage/{}?list&deep=1'.format(repo))
     if stat != 200:
         err = "Error getting artifact list for '{}': {}".format(repo, msg)
         print(err, file=sys.stderr)
         sys.exit(1)
-    return map(lambda x: x['uri'], json.loads(msg.decode("utf-8"))['files'])
+    res = list(
+        map(lambda x: x['uri'], json.loads(msg.decode("utf-8"))['files'])
+    )
+    logger.debug('Found %d artifacts in repository: %s', len(res), repo)
+    return res
 
 # request an artifact, and return a summary of the artifact if the response code
 # wasn't 200 or 404
@@ -93,19 +108,27 @@ def getArgs():
         "Check Artifactory for filestore integrity.",
         "the Artifactory base url",
         "your Artifactory username (or username:password)",
-        "output to the given file, rather than to stdout"
+        "output to the given file, rather than to stdout",
+        "log verbose output while retrieving artifacts"
     ]
     parser = argparse.ArgumentParser(description=help[0])
     parser.add_argument('url', nargs=1, help=help[1])
     parser.add_argument('-u', '--user', help=help[2])
     parser.add_argument('-o', '--output-file', help=help[3])
+    parser.add_argument(
+        '-v', '--verbose', dest='verbose', help=help[4], action='store_true',
+        default=False
+    )
     return parser.parse_args()
 
 if __name__ == "__main__":
     # get the base url and the authentication information from the commandline,
     # and start the integrity check
     args = getArgs()
+    if args.verbose:
+        logger.setLevel(logging.DEBUG)
     auth = getAuth(args.user)
     urlbase = args.url[0]
     if urlbase[-1] == '/': urlbase = urlbase[:-1]
+    logger.debug('Running against: %s', urlbase)
     runCheck((urlbase, auth), args.output_file)