Could you please ACK this for 6.6-LTS too ? Ced On Fri, 8 Mar 2024 at 19:58, Chuck Lever <chuck.lever@xxxxxxxxxx> wrote: > > On Fri, Mar 08, 2024 at 01:02:23PM -0500, trondmy@xxxxxxxxx wrote: > > When creating a listener socket to be handed to /proc/fs/nfsd/portlist, > > we currently limit the number of backlogged connections to 64. Since > > that value was chosen in 2006, the scale at which data centres operate > > has changed significantly. Given a modern server with many thousands of > > clients, a limit of 64 connections can create bottlenecks, particularly > > at at boot time. > > Let's use the POSIX-sanctioned maximum value of SOMAXCONN. > > > > Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> > > --- > > v2: Use SOMAXCONN instead of a value of -1. > > > > utils/nfsd/nfssvc.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/utils/nfsd/nfssvc.c b/utils/nfsd/nfssvc.c > > index 46452d972407..9650cecee986 100644 > > --- a/utils/nfsd/nfssvc.c > > +++ b/utils/nfsd/nfssvc.c > > @@ -205,7 +205,8 @@ nfssvc_setfds(const struct addrinfo *hints, const char *node, const char *port) > > rc = errno; > > goto error; > > } > > - if (addr->ai_protocol == IPPROTO_TCP && listen(sockfd, 64)) { > > + if (addr->ai_protocol == IPPROTO_TCP && > > + listen(sockfd, SOMAXCONN)) { > > xlog(L_ERROR, "unable to create listening socket: " > > "errno %d (%m)", errno); > > rc = errno; > > -- > > 2.44.0 > > Acked-by: Chuck Lever <chuck.lever@xxxxxxxxxx> > > -- > Chuck Lever > -- Cedric Blancher <cedric.blancher@xxxxxxxxx> [https://plus.google.com/u/0/+CedricBlancher/] Institute Pasteur