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Move catchup of replication streams to worker. (#7024)

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This changes the replication protocol so that the server does not send down `RDATA` for rows that happened before the client connected. Instead, the server will send a `POSITION` and clients then query the database (or master out of band) to get up to date.
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Erik Johnston 2020-03-25 14:54:01 +00:00 • committed by GitHub
parent 7bab642707
commit 4cff617df1
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24 changed files with 635 additions and 487 deletions
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8
synapse/replication/tcp/streams/__init__.py
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@ -24,6 +24,9 @@ Each stream is defined by the following information:
current_token: The function that returns the current token for the stream
update_function: The function that returns a list of updates between two tokens
"""
from typing import Dict, Type
from synapse.replication.tcp.streams._base import (
AccountDataStream,
BackfillStream,
@ -35,6 +38,7 @@ from synapse.replication.tcp.streams._base import (
PushersStream,
PushRulesStream,
ReceiptsStream,
Stream,
TagAccountDataStream,
ToDeviceStream,
TypingStream,
@ -63,10 +67,12 @@ STREAMS_MAP = {
GroupServerStream,
UserSignatureStream,
)
}
} # type: Dict[str, Type[Stream]]
__all__ = [
"STREAMS_MAP",
"Stream",
"BackfillStream",
"PresenceStream",
"TypingStream",