From aed62a35832a3ec1c7425ecc99cab06a781263ba Mon Sep 17 00:00:00 2001
From: Matthew Hodgson <matthew@matrix.org>
Date: Sun, 7 Dec 2014 02:26:07 +0000
Subject: track replication destination health, and perform exponential
 back-off when sending transactions. does *not* yet retry transactions, but
 drops them on the floor if waiting for a server to recover.

---
 synapse/storage/schema/transactions.sql | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'synapse/storage/schema/transactions.sql')

diff --git a/synapse/storage/schema/transactions.sql b/synapse/storage/schema/transactions.sql
index 88e3e4e04d..de461bfa15 100644
--- a/synapse/storage/schema/transactions.sql
+++ b/synapse/storage/schema/transactions.sql
@@ -59,3 +59,9 @@ CREATE INDEX IF NOT EXISTS transaction_id_to_pdu_tx ON transaction_id_to_pdu(tra
 CREATE INDEX IF NOT EXISTS transaction_id_to_pdu_dest ON transaction_id_to_pdu(destination);
 CREATE INDEX IF NOT EXISTS transaction_id_to_pdu_index ON transaction_id_to_pdu(transaction_id, destination);
 
+-- To track destination health
+CREATE TABLE IF NOT EXISTS destinations(
+    destination TEXT PRIMARY KEY,
+    retry_last_ts INTEGER,
+    retry_interval INTEGER
+);
-- 
cgit 1.4.1

