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taler-exchange-benchmark(1)
###########################
.. only:: html
Name
====
**taler-exchange-benchmark** - measure exchange performance
Synopsis
========
**taler-exchange-benchmark**
[**-c** *CONFIG_FILENAME* | **––config=**\ \ *CONFIG_FILENAME*]
[**-f** | **––fakebank**]
[**-h** | **––help**]
[**-K** | **––linger**]
[**-L** *LOGLEVEL* | **––log-level=**\ \ *LOGLEVEL*]
[**-n** *HOWMANY_COINS* | **––coins-number=**\ \ *HOWMANY_COINS*]
Description
===========
**taler-exchange-benchmark** 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.
**-c** *CONFIG_FILENAME* \| **––config=**\ \ *CONFIG_FILENAME*
(Mandatory) Use CONFIG_FILENAME.
**-f** \| **––fakebank**
Launch a fakebank instead of the Python bank. Only meaningful if the
mode is to launch more than just a client. Note that using the
fakebank will cause the benchmark application to reset all databases
as the fakebank is stateless and thus previous database state would
inherently cause trouble.
**-h** \| **––help**
Prints a compiled-in help text.
**-K** \| **––linger**
Linger around until keypress after the benchmark is done.
**-L** *LOGLEVEL* \| **––log-level=**\ \ *LOGLEVEL*
Specifies the log level to use. Accepted values are: ``DEBUG``, ``INFO``,
``WARNING``, ``ERROR``.
**-n** *HOWMANY_COINS* \| **––coins-number=**\ \ *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.
See Also
========
taler-exchange-dbinit(1), taler-exchange-keyup(1), taler-merchant-benchmark(1),
taler-exchange-httpd(1), taler.conf(5)
Bugs
====
Report bugs by using https://bugs.taler.net/ or by sending electronic
mail to <taler@gnu.org>.
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