Viewing: at_early_margin.4
.TH AT_EARLY_MARGIN 4 2026-03-31 Lustre "Lustre Kernel Interfaces"
.SH NAME
at_early_margin \- how soon before an RPC deadline to send an early reply
.SH SYNOPSIS
.SY
.BI "lctl get_param at_early_margin"
.SY
.BI "lctl set_param at_early_margin=" REMAINING_SECONDS
.YS
.SS PROPERTIES
.TP
.B Access Permissions
.BR 644 " | " -rw-r--r--
.TP
.B Scope
.br
Global
.TP
.B Config
.br
Always present
.TP
.B Default
.br
.B at_early_margin=5
.TP
.B Valid Range
.br
.RB at_early_margin= 1
.br
.RB at_early_margin= at_min
.SH DESCRIPTION
.B at_early_margin
is the number of seconds before an RPC in the server request queue expires its
service time estimate that the server sends an early reply to the client.
.SH MODULES
This parameter is in the following modules:
.EX
.B at_early_margin
.EE
.SH EXAMPLES
Set the margin to 15 seconds all nodes in the filesystem:
.EX
.RB mgs# " lctl set_param -P at_early_margin=15"
.EE
.SH AVAILABILITY
.B at_early_margin
is part of the
.BR lustre (7)
filesystem package since release 1.6.4.
.\" commit 1.6.0-1416-gde3c3fdf25
.SH SEE ALSO
.BR at_extra (4),
.BR at_history (4),
.BR at_max (4),
.BR at_min (4),
.BR ldlm_enqueue_min (4)
