Mercurial > prosody-modules
annotate mod_log_events_by_memory/README.markdown @ 5401:c8d04ac200fc
mod_http_oauth2: Reject loopback URIs as client_uri
This really should be a proper website with info, https://localhost is
not good enough. Ideally we'd validate that it's got proper DNS and is
actually reachable, but triggering HTTP or even DNS lookups seems like
it would carry abuse potential that would best to avoid.
| author | Kim Alvefur <zash@zash.se> |
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| date | Tue, 02 May 2023 16:20:55 +0200 |
| parents | f781a90018f4 |
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| rev | line source |
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mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
parents:
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1 This module compares the memory usage reported by Lua before and after |
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mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
parents:
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2 each event and reports it to the log if it exceeds the configuration |
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mod_log_events_by_memory: Log events where Lua memory usage increased
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parents:
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3 setting `log_memory_threshold` (in bytes). |
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mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
parents:
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4 |
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mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
parents:
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5 ``` lua |
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parents:
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6 log_memory_threshold = 20*1024 |
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mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
parents:
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7 ``` |
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mod_log_events_by_memory: Log events where Lua memory usage increased
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parents:
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8 |
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9 If you are looking to identify memory leaks, please first read [Three |
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f781a90018f4
mod_log_events_by_memory: Add link to post explaining different kinds of memory leaks
Kim Alvefur <zash@zash.se>
parents:
3617
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10 kinds of memory |
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f781a90018f4
mod_log_events_by_memory: Add link to post explaining different kinds of memory leaks
Kim Alvefur <zash@zash.se>
parents:
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11 leaks](https://blog.nelhage.com/post/three-kinds-of-leaks/). |
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f781a90018f4
mod_log_events_by_memory: Add link to post explaining different kinds of memory leaks
Kim Alvefur <zash@zash.se>
parents:
3617
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12 |
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mod_log_events_by_memory: Add a rant to README about uselessness of this module
Kim Alvefur <zash@zash.se>
parents:
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13 Prosody runs on Lua which uses automatic memory management with garbage |
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mod_log_events_by_memory: Add a rant to README about uselessness of this module
Kim Alvefur <zash@zash.se>
parents:
3615
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14 collection, so the numbers reported by this module are very likely to be |
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61b9c89db212
mod_log_events_by_memory: Add a rant to README about uselessness of this module
Kim Alvefur <zash@zash.se>
parents:
3615
diff
changeset
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15 useless for the purpose of identifying memory leaks. Large, but |
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61b9c89db212
mod_log_events_by_memory: Add a rant to README about uselessness of this module
Kim Alvefur <zash@zash.se>
parents:
3615
diff
changeset
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16 temporary, increases in memory usage can however highlight other kinds |
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61b9c89db212
mod_log_events_by_memory: Add a rant to README about uselessness of this module
Kim Alvefur <zash@zash.se>
parents:
3615
diff
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17 of performance problems and sometimes even provide hits for where to |
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61b9c89db212
mod_log_events_by_memory: Add a rant to README about uselessness of this module
Kim Alvefur <zash@zash.se>
parents:
3615
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18 look for memory leaks. |