diff options
| author | Lennart Poettering <lennart@poettering.net> | 2020-11-06 17:30:58 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2021-02-15 16:27:40 +0100 |
| commit | bde69bbd893941d3480d647f3c3bdd898af85400 (patch) | |
| tree | a7cc4e986525ac0039e769eecaffe84e5311fb01 /src/resolve/resolved-manager.c | |
| parent | resolved: allow DNS_PACKET_DATA() argument to be const (diff) | |
| download | systemd-bde69bbd893941d3480d647f3c3bdd898af85400.tar.xz systemd-bde69bbd893941d3480d647f3c3bdd898af85400.zip | |
resolved: filter repeated stub queries
Let's suppress repeated stub queries coming in, to minimize resource
usage. Many DNS clients are pretty aggressive regarding repeating DNS
requests, hence let's find them and suppress the follow-ups should we
need more time to fulfill the queries.
Diffstat (limited to 'src/resolve/resolved-manager.c')
| -rw-r--r-- | src/resolve/resolved-manager.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/resolve/resolved-manager.c b/src/resolve/resolved-manager.c index b41308204e..a099770054 100644 --- a/src/resolve/resolved-manager.c +++ b/src/resolve/resolved-manager.c @@ -739,6 +739,8 @@ Manager *manager_free(Manager *m) { while (m->dns_queries) dns_query_free(m->dns_queries); + m->stub_queries_by_packet = hashmap_free(m->stub_queries_by_packet); + dns_scope_free(m->unicast_scope); /* At this point only orphaned streams should remain. All others should have been freed already by their |