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53 lines
2.0 KiB
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Galaxy Performance Tracking
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===========================
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Tracking performance over time and identifying slow queries in your Galaxy can be an extremely important thing to do, especially for larger Galaxies.
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Most performance tracking requires sending metrics to a metrics collection server such as `Graphite <http://graphiteapp.org/>`__ or `StatsD <https://github.com/etsy/statsd/>`__. This document assumes you have already deployed a metrics server.
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uWSGI
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-----
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As you have certainly switched to uWSGI from the default paste server, there is some built-in uWSGI support for performance logging. You can send uWSGI's internal metrics to a carbon (Graphite) server by setting the carbon option in your galaxy.ini:
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.. code-block:: ini
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[uwsgi]
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socket = ...
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carbon = 127.0.0.1:2003
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Or a StatsD server via:
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.. code-block:: ini
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[uwsgi]
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socket = ...
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statsd-push = 127.0.0.1:8125
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The `official documentation <http://uwsgi-docs.readthedocs.io/en/latest/Metrics.html#stats-pushers>`__ contains further information on uWSGI and stats servers. In the `uWSGI Stats Server <http://uwsgi-docs.readthedocs.io/en/latest/StatsServer.html>` documentation, you can see an example of the sort of information that you will be able to collect.
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API / Route Timing Statistics
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-----------------------------
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Galaxy provides middleware to automatically log the amount of time controllers take to execute and to send that data to a stats server. Using the stats server of your choice, you can calculate the relevant statistics to ensure that your Galaxy server is performing as expected.
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The statsD configuration requires setting the following:
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.. code-block:: ini
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statsd_host=127.0.0.1
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statsd_port=8125
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statsd_prefix=galaxy
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And the graphite configuration is very similar:
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.. code-block:: ini
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graphite_host=127.0.0.1
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graphite_port=2003
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graphite_prefix=galaxy
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Most people visualize the statistics using something like `Grafana <https://grafana.com/>`__:
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.. image:: grafana.png
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