51406233bb
The new "leastconn" LB algorithm selects the server which has the least established or pending connections. The weights are considered, so that a server with a weight of 20 will get twice as many connections as the server with a weight of 10. The algorithm respects the minconn/maxconn settings, as well as the slowstart since it is a dynamic algorithm. It also correctly supports backup servers (one and all). It is generally suited for protocols with long sessions (such as remote terminals and databases), as it will ensure that upon restart, a server with no connection will take all new ones until its load is balanced with others. A test configuration has been added in order to ease regression testing. |
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