b61147fd ("MEDIUM: log/balance: merge tcp/http algo with log ones")
introduced an ambiguity because 'first' algorithm is not usable in
LOG mode but it was not specified in the doc.
This should be backported in 2.9 with
b61147fd.
them off when unused, and regularly checks backend queue to
turn new servers on when the queue inflates. Alternatively,
using "http-check send-state" may inform servers on the load.
+ This algorithm is not usable in LOG mode.
hash Takes a regular sample expression in argument. The expression
is evaluated for each request and hashed according to the