Github user jpeach commented on a diff in the pull request:
https://github.com/apache/trafficserver/pull/704#discussion_r66990038
--- Diff: iocore/hostdb/HostDB.cc ---
@@ -2224,13 +2227,14 @@ put_hostinfo_ClusterFunction(ClusterHandler *ch,
void *data, int /* len ATS_UNUS
int
HostDBContinuation::backgroundEvent(int /* event ATS_UNUSED */, Event * /*
e ATS_UNUSED */)
{
- ++hostdb_current_interval;
+ // No nothing if hosts file checking is not enabled.
+ if (hostdb_hostfile_check_interval == 0) {
+ return EVENT_CONT;
--- End diff --
The previous logic was to return ``EVENT_CONT``. The background event is
written to trigger every second but we only check the actual changes after the
check interval. I assumed that it was done this way so that you can update the
check interval without having to wait for it to expire.
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