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Deduplicate state block contents

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This commit is contained in:
Neil Alexander 2021-04-15 15:51:15 +01:00
parent dbd53fa9ff
commit 6900e0f495
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10 changed files with 277 additions and 344 deletions
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5
roomserver/state/state.go
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@ -25,6 +25,7 @@ import (
"github.com/matrix-org/dendrite/roomserver/storage"
"github.com/matrix-org/util"
"github.com/prometheus/client_golang/prometheus"
"github.com/sirupsen/logrus"
"github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib"
@ -61,14 +62,18 @@ func (v *StateResolution) LoadStateAtSnapshot(
if err != nil {
return nil, err
}
logrus.Warn("LISTS: ", stateEntryLists)
stateEntriesMap := stateEntryListMap(stateEntryLists)
logrus.Warn("Map: ", stateEntriesMap)
// Combine all the state entries for this snapshot.
// The order of state block NIDs in the list tells us the order to combine them in.
var fullState []types.StateEntry
for _, stateBlockNID := range stateBlockNIDList.StateBlockNIDs {
logrus.Warn("Looking up ", stateBlockNID)
entries, ok := stateEntriesMap.lookup(stateBlockNID)
if !ok {
logrus.Warnf("State block NID %d: %+v", stateBlockNID, entries)
// This should only get hit if the database is corrupt.
// It should be impossible for an event to reference a NID that doesn't exist
panic(fmt.Errorf("Corrupt DB: Missing state block numeric ID %d", stateBlockNID))