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Merge pull request #1188 from matrix-org/erikj/sent_transactions 

Remove sent_transactions table.
This commit is contained in:
Erik Johnston 2016-11-01 14:52:55 +00:00 committed by GitHub
parent 0aeb1324b7 760469c812
commit 2746e805fe
1 changed files with 4 additions and 150 deletions
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154
synapse/storage/transactions.py
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@ -16,13 +16,12 @@
from ._base import SQLBaseStore
from synapse.util.caches.descriptors import cached
from twisted.internet import defer, reactor
from twisted.internet import defer
from canonicaljson import encode_canonical_json
from collections import namedtuple
import itertools
import logging
import ujson as json
@ -50,20 +49,6 @@ class TransactionStore(SQLBaseStore):
def __init__(self, hs):
super(TransactionStore, self).__init__(hs)
# New transactions that are currently in flights
self.inflight_transactions = {}
# Newly delievered transactions that *weren't* persisted while in flight
self.new_delivered_transactions = {}
# Newly delivered transactions that *were* persisted while in flight
self.update_delivered_transactions = {}
self.last_transaction = {}
reactor.addSystemEventTrigger("before", "shutdown", self._persist_in_mem_txns)
self._clock.looping_call(self._persist_in_mem_txns, 1000)
self._clock.looping_call(self._cleanup_transactions, 30 * 60 * 1000)
def get_received_txn_response(self, transaction_id, origin):
@ -148,46 +133,7 @@ class TransactionStore(SQLBaseStore):
Returns:
list: A list of previous transaction ids.
"""
auto_id = self._transaction_id_gen.get_next()
txn_row = _TransactionRow(
id=auto_id,
transaction_id=transaction_id,
destination=destination,
ts=origin_server_ts,
response_code=0,
response_json=None,
)
self.inflight_transactions.setdefault(destination, {})[transaction_id] = txn_row
prev_txn = self.last_transaction.get(destination)
if prev_txn:
return defer.succeed(prev_txn)
else:
return self.runInteraction(
"_get_prevs_txn",
self._get_prevs_txn,
destination,
)
def _get_prevs_txn(self, txn, destination):
# First we find out what the prev_txns should be.
# Since we know that we are only sending one transaction at a time,
# we can simply take the last one.
query = (
"SELECT * FROM sent_transactions"
" WHERE destination = ?"
" ORDER BY id DESC LIMIT 1"
)
txn.execute(query, (destination,))
results = self.cursor_to_dict(txn)
prev_txns = [r["transaction_id"] for r in results]
return prev_txns
return defer.succeed([])
def delivered_txn(self, transaction_id, destination, code, response_dict):
"""Persists the response for an outgoing transaction.
@ -198,52 +144,7 @@ class TransactionStore(SQLBaseStore):
code (int)
response_json (str)
"""
txn_row = self.inflight_transactions.get(
destination, {}
).pop(transaction_id, None)
self.last_transaction[destination] = transaction_id
if txn_row:
d = self.new_delivered_transactions.setdefault(destination, {})
d[transaction_id] = txn_row._replace(
response_code=code,
response_json=None, # For now, don't persist response
)
else:
d = self.update_delivered_transactions.setdefault(destination, {})
# For now, don't persist response
d[transaction_id] = _UpdateTransactionRow(code, None)
def get_transactions_after(self, transaction_id, destination):
"""Get all transactions after a given local transaction_id.
Args:
transaction_id (str)
destination (str)
Returns:
list: A list of dicts
"""
return self.runInteraction(
"get_transactions_after",
self._get_transactions_after, transaction_id, destination
)
def _get_transactions_after(self, txn, transaction_id, destination):
query = (
"SELECT * FROM sent_transactions"
" WHERE destination = ? AND id >"
" ("
" SELECT id FROM sent_transactions"
" WHERE transaction_id = ? AND destination = ?"
" )"
)
txn.execute(query, (destination, transaction_id, destination))
return self.cursor_to_dict(txn)
pass
@cached(max_entries=10000)
def get_destination_retry_timings(self, destination):
@ -339,58 +240,11 @@ class TransactionStore(SQLBaseStore):
txn.execute(query, (self._clock.time_msec(),))
return self.cursor_to_dict(txn)
@defer.inlineCallbacks
def _persist_in_mem_txns(self):
try:
inflight = self.inflight_transactions
new_delivered = self.new_delivered_transactions
update_delivered = self.update_delivered_transactions
self.inflight_transactions = {}
self.new_delivered_transactions = {}
self.update_delivered_transactions = {}
full_rows = [
row._asdict()
for txn_map in itertools.chain(inflight.values(), new_delivered.values())
for row in txn_map.values()
]
def f(txn):
if full_rows:
self._simple_insert_many_txn(
txn=txn,
table="sent_transactions",
values=full_rows
)
for dest, txn_map in update_delivered.items():
for txn_id, update_row in txn_map.items():
self._simple_update_one_txn(
txn,
table="sent_transactions",
keyvalues={
"transaction_id": txn_id,
"destination": dest,
},
updatevalues={
"response_code": update_row.response_code,
"response_json": None, # For now, don't persist response
}
)
if full_rows or update_delivered:
yield self.runInteraction("_persist_in_mem_txns", f)
except:
logger.exception("Failed to persist transactions!")
def _cleanup_transactions(self):
now = self._clock.time_msec()
month_ago = now - 30 * 24 * 60 * 60 * 1000
six_hours_ago = now - 6 * 60 * 60 * 1000
def _cleanup_transactions_txn(txn):
txn.execute("DELETE FROM received_transactions WHERE ts < ?", (month_ago,))
txn.execute("DELETE FROM sent_transactions WHERE ts < ?", (six_hours_ago,))
return self.runInteraction("_persist_in_mem_txns", _cleanup_transactions_txn)
return self.runInteraction("_cleanup_transactions", _cleanup_transactions_txn)