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Fix the fetches-per-server quota calculation

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Since commit bad5a523c2, when the fetches-per-server quota
was increased or decreased, instead of the value being set to
the newly calculated quota, it was set to the *minimum* of
the new quota or 1 - which effectively meant it was always set to 1.
it should instead have been the maximum, to prevent the value from
ever dropping to zero.

(cherry picked from commit 694bc50273)
This commit is contained in:
Evan Hunt 2022-05-04 17:27:56 -07:00
parent eaf5745554
commit bca7f19541
1 changed files with 2 additions and 2 deletions
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4
lib/dns/adb.c
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@ -4261,7 +4261,7 @@ maybe_adjust_quota(dns_adb_t *adb, dns_adbaddrinfo_t *addr, bool timeout) {
uint_fast32_t new_quota =
adb->quota * quota_adj[--addr->entry->mode] / 10000;
atomic_store_release(&addr->entry->quota,
ISC_MIN(1, new_quota));
ISC_MAX(1, new_quota));
log_quota(addr->entry,
"atr %0.2f, quota increased to %" PRIuFAST32,
addr->entry->atr, new_quota);
@ -4271,7 +4271,7 @@ maybe_adjust_quota(dns_adb_t *adb, dns_adbaddrinfo_t *addr, bool timeout) {
uint_fast32_t new_quota =
adb->quota * quota_adj[++addr->entry->mode] / 10000;
atomic_store_release(&addr->entry->quota,
ISC_MIN(1, new_quota));
ISC_MAX(1, new_quota));
log_quota(addr->entry,
"atr %0.2f, quota decreased to %" PRIuFAST32,
addr->entry->atr, new_quota);