add epoch catch-up / snapshots

1 files changed, 2 insertions, 0 deletions

diff --git a/src/compaction/records.rs b/src/compaction/records.rs
index ce2b2a5..fbb9fb9 100644
--- a/src/compaction/records.rs
+++ b/src/compaction/records.rs
@@ -76,8 +76,10 @@ pub(crate) struct Retention {
 pub(crate) struct Policy {
     /// How stale a returning node's changes may be and still be replayed automatically;
     /// beyond it they are quarantined.
+    #[serde(default = "Policy::default_replay_window")]
     pub(crate) replay_window: Retention,
     /// How long nodes keep the old epoch's document.
+    #[serde(default = "Policy::default_archive_retention")]
     pub(crate) archive_retention: Retention,
 }