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Store state groups separately from events (#2784)

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* Split state group persist into seperate storage func

* Add per database engine code for state group id gen

* Move store_state_group to StateReadStore

This allows other workers to use it, and so resolve state.

* Hook up store_state_group

* Fix tests

* Rename _store_mult_state_groups_txn

* Rename StateGroupReadStore

* Remove redundant _have_persisted_state_group_txn

* Update comments

* Comment compute_event_context

* Set start val for state_group_id_seq

... otherwise we try to recreate old state groups

* Update comments

* Don't store state for outliers

* Update comment

* Update docstring as state groups are ints
This commit is contained in:
Erik Johnston 2018-02-06 14:31:24 +00:00 • committed by GitHub
parent b31bf0bb51
commit 3d33eef6fc
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12 changed files with 341 additions and 204 deletions
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4
synapse/replication/slave/storage/events.py
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@ -19,7 +19,7 @@ from synapse.storage import DataStore
from synapse.storage.event_federation import EventFederationStore
from synapse.storage.event_push_actions import EventPushActionsStore
from synapse.storage.roommember import RoomMemberStore
from synapse.storage.state import StateGroupReadStore
from synapse.storage.state import StateGroupWorkerStore
from synapse.storage.stream import StreamStore
from synapse.util.caches.stream_change_cache import StreamChangeCache
from ._base import BaseSlavedStore
@ -37,7 +37,7 @@ logger = logging.getLogger(__name__)
# the method descriptor on the DataStore and chuck them into our class.
class SlavedEventStore(StateGroupReadStore, BaseSlavedStore):
class SlavedEventStore(StateGroupWorkerStore, BaseSlavedStore):
def __init__(self, db_conn, hs):
super(SlavedEventStore, self).__init__(db_conn, hs)