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Thread through instance name to replication client. (#7369)

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For in memory streams when fetching updates on workers we need to query the source of the stream, which currently is hard coded to be master. This PR threads through the source instance we received via `POSITION` through to the update function in each stream, which can then be passed to the replication client for in memory streams.
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Erik Johnston 2020-05-01 17:19:56 +01:00 • committed by GitHub
parent 3085cde577
commit 0e719f2398
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12 changed files with 101 additions and 41 deletions
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synapse/replication/tcp/client.py
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@ -86,17 +86,19 @@ class ReplicationDataHandler:
def __init__(self, store: BaseSlavedStore):
self.store = store
async def on_rdata(self, stream_name: str, token: int, rows: list):
async def on_rdata(
self, stream_name: str, instance_name: str, token: int, rows: list
):
"""Called to handle a batch of replication data with a given stream token.
By default this just pokes the slave store. Can be overridden in subclasses to
handle more.
Args:
stream_name (str): name of the replication stream for this batch of rows
token (int): stream token for this batch of rows
rows (list): a list of Stream.ROW_TYPE objects as returned by
Stream.parse_row.
stream_name: name of the replication stream for this batch of rows
instance_name: the instance that wrote the rows.
token: stream token for this batch of rows
rows: a list of Stream.ROW_TYPE objects as returned by Stream.parse_row.
"""
self.store.process_replication_rows(stream_name, token, rows)