The warning about max_client_requests is hit inside virtlogd every time
a VM starts which spams the logs.
Emit the warning only when the client request limit is not 1 and add a
warning into the daemon config to not configure it too low instead.
Fixes: 031878c2364
Resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=2145188
Signed-off-by: Peter Krempa <pkrempa(a)redhat.com>
---
src/remote/libvirtd.conf.in | 1 +
src/rpc/virnetserverclient.c | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/remote/libvirtd.conf.in b/src/remote/libvirtd.conf.in
index 80a98b1529..32a680317a 100644
--- a/src/remote/libvirtd.conf.in
+++ b/src/remote/libvirtd.conf.in
@@ -374,6 +374,7 @@
# connection. To avoid one client monopolizing the server
# this should be a small fraction of the global max_workers
# parameter.
+# Setting this too low may cause keepalive timeouts.
#max_client_requests = 5
# Same processing controls, but this time for the admin interface.
diff --git a/src/rpc/virnetserverclient.c b/src/rpc/virnetserverclient.c
index b5c764b1b0..bdb3552c5d 100644
--- a/src/rpc/virnetserverclient.c
+++ b/src/rpc/virnetserverclient.c
@@ -1261,7 +1261,8 @@ static virNetMessage
*virNetServerClientDispatchRead(virNetServerClient *client)
client->rx->bufferLength = VIR_NET_MESSAGE_LEN_MAX;
client->rx->buffer = g_new0(char, client->rx->bufferLength);
client->nrequests++;
- } else if (!client->nrequests_warning) {
+ } else if (!client->nrequests_warning &&
+ client->nrequests_max > 1) {
client->nrequests_warning = true;
VIR_WARN("Client hit max requests limit %zd. This may result "
"in keep-alive timeouts. Consider tuning the "
--
2.39.1