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.Dd July 25, 2018
.Dt TALER-EXCHANGE-BENCHMARK 1
.Os
.Sh NAME
.Nm taler-exchange-benchmark
.Nd
Measure exchange performance
.Sh SYNOPSIS
.Nm
.Op Fl c Ar CONFIG_FILENAME | Fl \-config= Ns Ar CONFIG_FILENAME
.Op Fl b Ar BANK_URL | Fl --bank-url= Ns Ar BANK_URL
.Op Fl n Ar HOWMANY_COINS | Fl \-coins-number= Ns Ar HOWMANY_COINS
.Op Fl l Ar LOGLEVEL | Fl \-log\-level= Ns Ar LOGLEVEL
.Op Fl h | \-help
.Sh DESCRIPTION
.Nm
is a command line tool to measure the time spent to serve withdrawals/deposits/refreshes.
It usually needs a dedicate configuration file where all the services - the exchange and the (fake)bank - listen to URLs not subject to any reverse proxy, as say Nginx.
Moreover, the benchmark runs on a "volatile" database, that means that table are always erased during a single benchmark run.
.Bl -tag -width Ds
.It Fl c Ar CONFIG_FILENAME | Fl \-config= Ns Ar CONFIG_FILENAME
(Mandatory) Use CONFIG_FILENAME.
.It Fl b Ar BANK_URL | Fl --bank-url= Ns Ar BANK_URL
(Mandatory) The URL where the fakebank listens at.
Must match the host component in the exchange's escrow account "payto" URL.
.It Fl n Ar HOWMANY_COINS | Fl \-coins-number= Ns Ar HOWMANY_COINS
Defaults to 1.
Specifies how many coins this benchmark should withdraw and spend.
After being spent, each coin will be refreshed with a REFRESH_PROBABILITY probability, which is (hardcoded as) 0.1; future versions of this tool should offer this parameter as a CLI option.
.It Fl l Ar LOGLEVEL | Fl \-log\-level= Ns Ar LOGLEVEL
GNUnet-compatible log level, takes values "ERROR/WARNING/INFO/DEBUG"
.It Fl h | \-help
Prints a compiled-in help text.
.El
.Sh SEE ALSO
.Xr taler-exchange-dbinit 1 ,
.Xr taler-exchange-keyup 1 ,
.Xr taler-exchange-httpd 1 ,
.Xr taler.conf 5
.Sh BUGS
Report bugs by using
.Lk https://gnunet.org/bugs/
or by sending electronic mail to
.Aq Mt taler@gnu.org .
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