[Expired for haproxy (Ubuntu) because there has been no activity for 60
days.]
** Changed in: haproxy (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1308314
Title:
incorrect balancing in weight value 256
Status in haproxy package in Ubuntu:
Expired
Bug description:
Haproxy can work correctly with wight 256, the node with weight 256
either takes all the traffic or takes none traffic:
1-1 weight: web1:256, web2:1, web3:1 (incorrect case.)
(1024 accesses * 3 times to vip)
result 1
web1: 1024
web2: 0
web3: 0
result 2
web1: 1024
web2: 0
web3: 0
result 3
web1 counted: 1024
web2 counted: 0
web3 counted: 0
1-2 weight: web1:255, web2:1, web3:1 (correct case.)
(1024 accesses * 3 times to vip)
result 1
web1 counted: 1017
web2 counted: 4
web3 counted: 3
result 2
web1 counted: 1016
web2 counted: 4
web3 counted: 4
result 3
web1 counted: 1016
web2 counted: 4
web3 counted: 4
2-1 web1:256, web2:128, web3:128 (incorrect case.)
(256 accesses * 3 times to vip)
result 1
web1 counted: 1
web2 counted: 128
web3 counted: 127
result 2
web1 counted: 0
web2 counted: 128
web3 counted: 128
result 3
web1 counted: 0
web2 counted: 128
web3 counted: 128
2-2 web1:255, web2:128, web3:128(correct case.)
(256 accesses * 3 times to vip)
result 1
web1 counted: 128
web2 counted: 64
web3 counted: 64
result 2
web1 counted: 128
web2 counted: 64
web3 counted: 64
result 3
web1 counted: 128
web2 counted: 64
web3 counted: 64
From the haproxy aspect, they have fixed a bug of "Roundrobin can not
work well when a server's weight is 256" , make sure that below patch
has been used on above environment.
Mail of "Roundrobin can not work well when a server's weight is 256"
https://www.mail-archive.com/[email protected]/msg10613.html
Patch:
https://dev.openwrt.org/browser/packages/net/haproxy/patches/0005-BUG-MEDIUM-server-set-the-macro-for-server-s-max-wei.patch
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/haproxy/+bug/1308314/+subscriptions
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