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xenstored socket backlog length
- To: xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Mon, 18 Jul 2022 11:01:38 +0200
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- Cc: buhrow@xxxxxxxxxx, Juergen Gross <jgross@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Wei Liu <wl@xxxxxxx>
- Delivery-date: Mon, 18 Jul 2022 09:02:04 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Hello,
It has been raised on the freebsd-xen mailing list [0] that the socket
queue length for the xenstored local domain socket is set to 1, which
can cause concurrent executions of xl commands to fail.
I see in xenstored implementation (xenstored_core.c init_sockets())
that the call to listen() is made setting a backlog length to 1, and
hence would like to ask if there's a reasoning for this, as I would
think having a slightly longer pending connections queue shouldn't be
an issue.
Was this value chosen based on a toolstack that has a central daemon
with a single connection to xenstored?
Thanks, Roger.
[0] https://lists.freebsd.org/archives/freebsd-xen/2022-July/000116.html
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