diff --git a/db/db.go b/db/db.go
index c47e6e1..22d0e63 100644
--- a/db/db.go
+++ b/db/db.go
@@ -416,6 +416,8 @@ func execTx(tx *sql.Tx, query string, args ...interface{}) error {
 
 /*  SQL schema
 
+in prod, set tx_isolation to READ-COMMITTED to improve db performance
+
 CREATE TABLE blob_ (
   hash char(96) NOT NULL,
   is_stored TINYINT(1) NOT NULL DEFAULT 0,
diff --git a/reflector/stats.go b/reflector/stats.go
index 10cfce4..59a3f12 100644
--- a/reflector/stats.go
+++ b/reflector/stats.go
@@ -69,6 +69,10 @@ func (s *stats) AddError(e error) (shouldLog bool) { // shouldLog is a hack, but
 		name = "i/o timeout"
 	} else if strings.Contains(err.Error(), "read: connection reset by peer") {
 		name = "read conn reset"
+	} else if strings.Contains(err.Error(), "unexpected EOF") {
+		name = "unexpected EOF"
+	} else if strings.Contains(err.Error(), "write: broken pipe") {
+		name = "write broken pipe"
 	} else {
 		shouldLog = true
 	}