I would like to get more feedback on the queueing and retry logic from the community and if anyone is or would use these options in the future.
-Bryan > On Jun 20, 2018, at 9:42 AM, Alan Carroll <solidwallofc...@oath.com.INVALID> > wrote: > > There is an refresh PR 3819 for this feature which tracks connections per > upstream server. The original PR was an in place refresh to fix bugs and > improve performance which we have been running in Oath production. I've > been requested to make it a more thorough overhaul. To this end I'm working > changing the configuration set up. The new values would be > > proxy.config.http.per_server.max_connections INT - maximum # of connections > allowed for an upstream. Default 0 (disabled). Previously > proxy.config.http.origin_max_connections. Overridable. > > proxy.config.http.per_server.match STRING - "ip", "host", "both", or > "none", with the same meaning as > proxy.config.http.server_session_sharing.match. This groups the upstream > servers and counts connections for each group. Default "ip". Previously > this used the server session sharing match value. Overridable. > > proxy.config.http.per_server.queue_size INT - if there are no connections > available, reschedule the transaction to try again later. A value of -1 > means unlimited queue size, 0 means no queuing. The default would change > from -1 (unlimited) to 0 (disabled). Previously > proxy.config.http.origin_max_connections_queue. > > proxy.config.http.per_server.queue_delay INT - the # of milliseconds to > delay for a transaction in the queue. Default 100. > > proxy.config.http.per_server.min_keep_alive INT - the # of sessions to > attempt to maintain to the upstream group. If there are fewer than this a > new connection will be opened even if an existing server session is > available. Default 0. Previously > proxy.config.http.origin_min_keep_alive_connections. > > proxy.config.http.per_server.alert_delay INT - throttle alert messages > relating to a group to no more often than this many seconds. Default 60.
