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[IMPROVED] The func subjectIsSubsetMatch() is heavy so do without the account lock. (#4586)

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Signed-off-by: Derek Collison <derek@nats.io>
This commit is contained in:
Derek Collison
2023-09-25 13:32:38 -07:00
committed by GitHub
parent 62faa1882d fb4e97e2ec
commit 73f8f87b86
1 changed files with 10 additions and 4 deletions
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14
server/accounts.go
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@@ -1716,15 +1716,21 @@ func (a *Account) checkForReverseEntries(reply string, checkInterest, recursed b
var _rs [64]string
rs := _rs[:0]
if n := len(a.imports.rrMap); n > cap(rs) {
rs = make([]string, 0, n)
}
for k := range a.imports.rrMap {
if subjectIsSubsetMatch(k, reply) {
rs = append(rs, k)
}
rs = append(rs, k)
}
a.mu.RUnlock()
// subjectIsSubsetMatch is heavy so make sure we do this without the lock.
for _, r := range rs {
a._checkForReverseEntry(r, nil, checkInterest, recursed)
if subjectIsSubsetMatch(r, reply) {
a._checkForReverseEntry(r, nil, checkInterest, recursed)
}
}
}