Github user jacksontj commented on a diff in the pull request:
https://github.com/apache/trafficserver/pull/240#discussion_r33811976
--- Diff: iocore/hostdb/HostDB.cc ---
@@ -659,6 +660,20 @@ db_mark_for(IpAddr const &ip)
HostDBInfo *
probe(ProxyMutex *mutex, HostDBMD5 const &md5, bool ignore_timeout)
{
+ // If we have an entry in our hosts file, we don't need to bother with
DNS
+ Ptr<RefCountedHostsFileMap> current_host_file_map =
hostDB.hosts_file_ptr;
+
+ std::string hname(md5.host_name);
+ if (current_host_file_map->hosts_file_map.find(hname) !=
current_host_file_map->hosts_file_map.end()) {
+ // TODO: Something to make this not local :/
+ static HostDBInfo r;
+ r.round_robin = false;
+ r.reverse_dns = false;
+ r.is_srv = false;
+ ats_ip_set(r.ip(), current_host_file_map->hosts_file_map[hname]);
--- End diff --
Would that be better than worrying about concurrent access of said iterator?
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