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Some further optimization, reducing memory usage

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Till Faelligen 2024-01-19 10:13:36 +01:00
parent f6c0c0c488
commit 606a0c552d
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1 changed files with 5 additions and 1 deletions
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6
roomserver/api/perform.go
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@ -94,7 +94,11 @@ type PerformBackfillRequest struct {
// PrevEventIDs returns the prev_event IDs of all backwards extremities, de-duplicated in a lexicographically sorted order.
func (r *PerformBackfillRequest) PrevEventIDs() []string {
// Collect 1k eventIDs, if possible, they may be cleared out below
prevEventIDs := make([]string, 0, len(r.BackwardsExtremities)*3)
maxPrevEventIDs := len(r.BackwardsExtremities) * 3
if maxPrevEventIDs > 2000 {
maxPrevEventIDs = 2000
}
prevEventIDs := make([]string, 0, maxPrevEventIDs)
for _, pes := range r.BackwardsExtremities {
prevEventIDs = append(prevEventIDs, pes...)
if len(prevEventIDs) > 1000 {