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Differentiate between initial and cumulative fetch limit logging

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Cumulative fetch limit logging happens on an event of a dropped
fetch if 60 seconds have been passed since the previous log message.
This change makes the log message different for the initial event
and for the later cumulative events to provide more useful information
to the system administrator.
This commit is contained in:
Aram Sargsyan
2022-08-01 14:42:27 +00:00
parent d7896ce0c7
commit 905d50cef9
1 changed files with 5 additions and 2 deletions
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lib/dns/resolver.c
+5 -2
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@@ -1591,8 +1591,11 @@ fcount_logspill(fetchctx_t *fctx, fctxcount_t *counter, bool final) {
isc_log_write(dns_lctx, DNS_LOGCATEGORY_SPILL,
DNS_LOGMODULE_RESOLVER, ISC_LOG_INFO,
"too many simultaneous fetches for %s "
"(allowed %d spilled %d)",
dbuf, counter->allowed, counter->dropped);
"(allowed %d spilled %d; %s)",
dbuf, counter->allowed, counter->dropped,
counter->dropped == 1 ? "initial trigger event"
: "cumulative since "
"initial trigger event");
} else {
isc_log_write(dns_lctx, DNS_LOGCATEGORY_SPILL,
DNS_LOGMODULE_RESOLVER, ISC_LOG_INFO,