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mod_log_events_by_memory/README.markdown @ 5272:acab61ba7f02
mod_http_oauth2: Focus username field automatically
Reduces effort, not having to click or tab to focus the username field.
Should have no negative effects since there's no other elements one
might want to focus.
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 23 Mar 2023 16:48:18 +0100 |
parent | 3618:f781a90018f4 |
rev | line source |
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mod_log_events_by_memory: Log events where Lua memory usage increased
Kim Alvefur <zash@zash.se>
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1 This module compares the memory usage reported by Lua before and after |
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2 each event and reports it to the log if it exceeds the configuration |
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3 setting `log_memory_threshold` (in bytes). |
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4 |
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5 ``` lua |
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6 log_memory_threshold = 20*1024 |
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7 ``` |
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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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10 kinds of memory |
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11 leaks](https://blog.nelhage.com/post/three-kinds-of-leaks/). |
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12 |
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13 Prosody runs on Lua which uses automatic memory management with garbage |
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14 collection, so the numbers reported by this module are very likely to be |
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15 useless for the purpose of identifying memory leaks. Large, but |
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16 temporary, increases in memory usage can however highlight other kinds |
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17 of performance problems and sometimes even provide hits for where to |
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18 look for memory leaks. |