diff --git a/compare_pkgs_with_upstream.py b/compare_pkgs_with_upstream.py
index 1338fb5..14411f7 100644
--- a/compare_pkgs_with_upstream.py
+++ b/compare_pkgs_with_upstream.py
@@ -8,57 +8,89 @@
 import urllib2
 from urllib2 import HTTPError, URLError
 
-def find_missing_pkgs(tag, host, base_uri, signed_path, gpg_key_id, file_to_read):
+def find_missing_pkgs(tag, host, base_uri, signed_path, gpg_key_id, file_to_read, missing_rpms_file):
 
     print "looping through upstream rpm list"
 
-    missing_pkgs = []
-    
+    f = open(missing_rpms_file, 'w+')
+    f.close()
+
     koji_url = '{0}/kojihub'.format(host)
     kojiclient = koji.ClientSession(koji_url, {})
 
     fr = open(file_to_read, 'r')
-    lines = fr.readlines()
+    rpms = fr.readlines()
     fr.close()
 
 #    lines = lines[:30]
 
-    for line in lines:
-        l = line.replace('el6', 'gl6')
-        l = l.replace('\n', '')
+    loop_size = 75
+
+    loops = (len(rpms) / loop_size)
+    last_loop = (len(rpms) % loop_size)
+
+    for l in range(loops):
+
+        missing_pkgs = []
+
+        slice_start = loop_size * l
+        if l < loops - 1:
+            print "loop {0} of {1}".format(l, loops)
+            slice_end = loop_size * l + loop_size - 1
+        else:
+            print "LAST LOOP: {0} of {1}".format(l, loops)
+            slice_end = loop_size * l + last_loop
+
+        kojiclient.logout()
+        time.sleep(1)
+        koji_url = '{0}/kojihub'.format(host)
+        kojiclient = koji.ClientSession(koji_url, {})
+
+        print "rpms[{0}:{1}]".format(slice_start + 1,slice_end + 1)
+
+        for rpm in rpms[slice_start:slice_end]:
+
+            r = rpm.replace('el6', 'gl6')
+            r = r.replace('\n', '')
+
+            # try to find packages matching r
+            pkg = kojiclient.getRPM(r)
+    #        print "RPM: {0}".format(r)
+    #        print "Data: {0}".format(pkg)
 
-        # try to find packages matching l
-        rpm = kojiclient.getRPM(l)
-#        print "RPM: {0}".format(l)
-#        print "Data: {0}".format(rpm)
+            if pkg is None:
+                #print "RPM missing: {0}".format(l)
+                new_r = r.replace('gl6', 'gl6.goose.1')
 
-        if rpm is None:
-            #print "RPM missing: {0}".format(l)
-            new_l = l.replace('gl6', 'gl6.goose.1')
+                # try to find packages matching new_r
+                pkg = kojiclient.getRPM(new_r)
 
-            # try to find packages matching new_l
-            rpm = kojiclient.getRPM(new_l)
+                if pkg is None:
+                    #print "RPM missing: {0}".format(new_r)
+                    new_r = new_r.replace('gl6.goose.1', 'gl6.goose.2')
+                    # try to find packages matching new_r
+                    pkg = kojiclient.getRPM(new_r)
 
-            if rpm is None:
-                #print "RPM missing: {0}".format(new_l)
-                new_l = new_l.replace('gl6.goose.1', 'gl6.goose.2')
-                # try to find packages matching new_l
-                rpm = kojiclient.getRPM(new_l)
+                    # finally, if the package still doesn't exist, log it
+                    if pkg is None:
+                        print ""
+                        print "Missing RPM: {0}".format(r)
+                        print "PLEASE VERIFY ALL MISSING RPMS BY HAND"
+                        print ""
+                        missing_pkgs.append(r)
 
-                # finally, if the package still doesn't exist, log it
-                if rpm is None:
-                    print ""
-                    print "Missing RPM: {0}".format(l)
-                    print "PLEASE VERIFY ALL MISSING RPMS BY HAND"
-                    print ""
-                    missing_pkgs.append(l)
+        if missing_pkgs:
+            with open(missing_rpms_file, 'a+') as f:
+                for pkg in missing_pkgs:
+                    f.write('{0}\n'.format(pkg))
 
 
 
 
 def main():
 
-    upstream_rpm_file = '/tmp/upstream.rpms'
+    upstream_rpms_file = '/tmp/upstream.rpms'
+    missing_rpms_file = '/tmp/missing.goose.rpms'
 
     tag = "gl6-beta"
     host = 'http://koji.gooselinux.org'
@@ -66,7 +98,7 @@ def main():
     signed_path = 'data/signed'
     gpg_key_id = '1cdbbb39' 
 
-    find_missing_pkgs(tag, host, base_uri, signed_path, gpg_key_id, upstream_rpm_file)
+    find_missing_pkgs(tag, host, base_uri, signed_path, gpg_key_id, upstream_rpms_file, missing_rpms_file)
 
 
 if __name__ == "__main__":