Mercurial > prosody-modules
annotate mod_log_slow_events/README.markdown @ 5298:12f7d8b901e0
mod_audit: Support for adding location (GeoIP) to audit events
This can be more privacy-friendly than logging full IP addresses, and also
more informative to a user - IP addresses don't mean much to the average
person, however if they see activity from outside their expected country, they
can immediately identify suspicious activity.
As with IPs, this field is configurable for deployments that would like to
disable it. Location is also not logged when the geoip library is not
available.
author | Matthew Wild <mwild1@gmail.com> |
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date | Sat, 01 Apr 2023 13:11:53 +0100 |
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1 --- |
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2 labels: |
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3 - 'Stage-Stable' |
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4 summary: Log warning when event handlers take too long |
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5 ... |
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6 |
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7 Introduction |
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8 ============ |
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9 |
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10 Most activities in Prosody take place within our built-in events framework, for |
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11 example stanza processing and HTTP request handling, authentication, etc. |
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12 |
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13 Modules are able to execute code when an event occurs, and they should return |
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14 as quickly as possible. Poor performance (e.g. slow or laggy server) can be caused |
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15 by event handlers that are slow to respond. |
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16 |
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17 This module is able to monitor how long each event takes to be processed, and |
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18 logs a warning if an event takes above a certain amount of time, including |
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19 providing any details about the event such as the user or stanza that triggered it. |
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20 |
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21 The aim is to help debug why a server may not be as responsive as it should be, |
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22 and ultimately which module is to blame for that. |
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23 |
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24 Configuration |
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25 ====================== |
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26 |
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27 There is a single configuration option: |
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28 |
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29 ``` |
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30 -- Set the number of seconds an event may take before |
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31 -- logging a warning (fractional values are ok) |
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32 log_slow_events_threshold = 0.5 |
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33 ``` |
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34 |
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35 Metrics |
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36 ======= |
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37 |
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38 In addition to the log messages, a new 'slow_events' metric will be exported to |
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39 your configured stats backend (if any). |
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40 |
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41 Compatibility |
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42 ------------- |
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43 |
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44 ------- -------------- |
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45 trunk Works |
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46 0.10 Works |
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47 0.9 Doesn't work |
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48 0.8 Doesn't work |
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