diff --git a/data/common/common.yaml b/data/common/common.yaml
--- a/data/common/common.yaml
+++ b/data/common/common.yaml
@@ -3277,6 +3277,7 @@
       - revision
       - skipped_content
       - snapshot
+    message.max.bytes: 524288000
 
 swh::deploy::base_search::config_directory: "%{hiera('swh::conf_directory')}/search"
 swh::deploy::base_search::user: swhstorage