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79 lines
2.4 KiB
Plaintext
79 lines
2.4 KiB
Plaintext
Medium-long term wish list - 2017/11/24
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Legend: '+' = done, '-' = todo, '*' = done except doc
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1.9 or later :
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- return-html code xxx [ file "xxx" | text "xxx" ] if <acl>
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- return-raw [ file "xxx" | text "xxx" ] if <acl>
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- have multi-criteria analysers which subscribe to req flags, rsp flags, and
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stream interface changes. This would result in a single analyser to wait
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for the end of data transfer in HTTP.
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- make it possible to condition a timeout on an ACL (dynamic timeouts)
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- forwardfor/originalto except with IPv6
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- tcp-request session expect-proxy {L4|L5} if ...
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- wait on resource (time, mem, CPU, socket, server's conn, server's rate, ...)
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- bandwidth limits
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- buddy servers to build defined lists of failovers. Detect loops during
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the config check.
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server XXX buddy YYY
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server YYY # may replace XXX when XXX fails
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- spare servers : servers which are used in LB only when a minimum farm
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weight threshold is not satisfied anymore. Useful for inter-site LB with
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local pref by default.
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- add support for event-triggered epoll, and maybe change all events handling
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to pass through an event cache to handle temporarily disabled events.
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- evaluate the changes required for multi-process+shared mem or multi-thread
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+thread-local+fast locking.
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Old, maybe obsolete points :
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- clarify licence by adding a 'MODULE_LICENCE("GPL")' or something equivalent.
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- 3 memory models : failsafe (prealloc), normal (current), optimal (alloc on
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demand)
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- verify if it would be worth implementing an epoll_ctl_batch() for Linux
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- option minservers XXX : activates some spare servers when active servers
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are insufficient
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- initcwnd parameter for bind sockets : needed in kernel first
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- have a callback function which would be called after a server is selected,
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for header post-processing. That would be mainly used to remove then add
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the server's name or cookie in a header so that the server knows it.
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Unsorted :
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- outgoing log load-balancing (round-robin or hash among multiple servers)
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- internal socket for "server XXX frontend:name"
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- XML inspection (content-switching for SOAP requests)
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- random cookie generator
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- fastcgi to servers
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- hot config reload
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- RHI - BGP
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- telnet/SSH cli
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- dynamic memory allocation
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- dynamic weights based on check response headers and traffic response time
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- various kernel-level acceleration (multi-accept, ssplice, epoll2...)
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