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@@ -1201,6 +1201,26 @@ web server keeps a small buffer of log messages at all levels in memory. You can
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view these logs by visiting `http://myserver:8888/hue/logs`. The `DEBUG` level
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view these logs by visiting `http://myserver:8888/hue/logs`. The `DEBUG` level
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messages shown can sometimes be helpful in troubleshooting issues.
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messages shown can sometimes be helpful in troubleshooting issues.
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+## Troubleshooting
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+
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+To troubleshoot why Hue is slow or consuming high memory, admin can enable instrumentation by setting the `instrumentation` flag to True.
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+ <pre>
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+[desktop]
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+instrumentation=true
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+</pre>
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+ If `django_debug_mode` is enabled, instrumentation is automatically enabled. This flag appends the response time and the total peak memory used since Hue started for every logged request.
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+
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+##### Instrumentation enabled:
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+
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+<pre>
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+[17/Apr/2018 15:18:43 -0700] access INFO 127.0.0.1 admin - "POST /jobbrowser/jobs/ HTTP/1.1" `returned in 97ms (mem: 135mb)`
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+</pre>
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+
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+##### Instrumentation not enabled:
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+
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+<pre>
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+[23/Apr/2018 10:59:01 -0700] INFO 127.0.0.1 admin - "POST /jobbrowser/jobs/ HTTP/1.1" returned in 88ms
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+</pre>
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## Database
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## Database
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