diff --git a/warcprox/__init__.py b/warcprox/__init__.py
index 9cd09a8..9fe3a74 100644
--- a/warcprox/__init__.py
+++ b/warcprox/__init__.py
@@ -1,7 +1,7 @@
 """
 warcprox/__init__.py - warcprox package main file, contains some utility code
 
-Copyright (C) 2013-2019 Internet Archive
+Copyright (C) 2013-2021 Internet Archive
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
@@ -175,8 +175,8 @@ class BaseStandardPostfetchProcessor(BasePostfetchProcessor):
 
 class BaseBatchPostfetchProcessor(BasePostfetchProcessor):
     MAX_BATCH_SIZE = 500
-    MAX_BATCH_SEC = 10
-    MIN_BATCH_SEC = 2.0
+    MAX_BATCH_SEC = 30
+    MIN_BATCH_SEC = 10
 
     def _get_process_put(self):
         batch = []
diff --git a/warcprox/dedup.py b/warcprox/dedup.py
index 98cfea1..e8e95c7 100644
--- a/warcprox/dedup.py
+++ b/warcprox/dedup.py
@@ -384,6 +384,9 @@ class BatchTroughStorer(warcprox.BaseBatchPostfetchProcessor):
                         self.trough_dedup_db.batch_save,
                         buckets[bucket], bucket)
                 fs[future] = bucket
+            logging.debug(
+                    'storing dedup info for %s urls '
+                    'in bucket %s', len(buckets[bucket]), bucket)
 
             # wait for results
             try:
@@ -434,6 +437,8 @@ class BatchTroughLoader(warcprox.BaseBatchPostfetchProcessor):
                         warcprox.digest_str(
                             recorded_url.payload_digest, self.options.base32)
                         if recorded_url.payload_digest else 'n/a')
+        self.logger.debug(
+                'hash_plus_urls: {}'.format(hash_plus_urls))
         self.logger.debug(
                 'len(batch)=%s len(discards)=%s buckets=%s',
                 len(batch), len(discards),