openstack/swift
Code Issues Proposed changes

wsgi: Add keepalive_timeout option

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Clients sometimes hold open connections "just in case" they might later
pipeline requests. This can cause issues for proxies, especially if
operators restrict max_clients in an effort to improve response times
for the requests that *do* get serviced.

Add a new keepalive_timeout option to give proxies a way to drop these
established-but-idle connections without impacting active connections
(as may happen when reducing client_timeout). Note that this requires
eventlet 0.33.4 or later.

Change-Id: Ib5bb84fa3f8a4b9c062d58c8d3689e7030d9feb3
This commit is contained in:
Tim Burke
2023-02-13 21:46:40 -08:00
parent 4b6f54d063
commit 469c38e9fb
3 changed files with 14 additions and 0 deletions
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6
etc/proxy-server.conf-sample
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@@ -85,8 +85,14 @@ bind_port = 8080
# CORS documentation).
# cors_expose_headers =
#
# General timeout when sending to or receiving from clients.
# client_timeout = 60.0
#
# Timeout to use when looking for pipelined requests. Set to zero to disable
# request pipelining. Defaults to client_timeout. Requires eventlet>=0.33.4;
# with earlier eventlet, any non-zero value is treated as client_timeout.
# keepalive_timeout =
#
# Note: enabling evenlet_debug might reveal sensitive information, for example
# signatures for temp urls
# eventlet_debug = false