From aed62a35832a3ec1c7425ecc99cab06a781263ba Mon Sep 17 00:00:00 2001 From: Matthew Hodgson 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/delta/v9.sql | 23 +++++++++++++++++++++++ synapse/storage/schema/transactions.sql | 6 ++++++ 2 files changed, 29 insertions(+) create mode 100644 synapse/storage/schema/delta/v9.sql (limited to 'synapse/storage/schema') diff --git a/synapse/storage/schema/delta/v9.sql b/synapse/storage/schema/delta/v9.sql new file mode 100644 index 0000000000..ad680c64da --- /dev/null +++ b/synapse/storage/schema/delta/v9.sql @@ -0,0 +1,23 @@ +/* Copyright 2014 OpenMarket Ltd + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +-- To track destination health +CREATE TABLE IF NOT EXISTS destinations( + destination TEXT PRIMARY KEY, + retry_last_ts INTEGER, + retry_interval INTEGER +); + +PRAGMA user_version = 9; \ No newline at end of file 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