[GH-ISSUE #509] iOS: 20min `~poll` messages cause server spikes and thundering herd #385

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opened 2026-05-07 00:23:43 +02:00 by BreizhHardware · 1 comment

BreizhHardware commented

2026-05-07 00:23:43 +02:00

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Originally created by @binwiederhier on GitHub (Nov 19, 2022).
Original GitHub issue: https://github.com/binwiederhier/ntfy/issues/509

Number of GETs during the peak minutes:

$ cat /var/log/nginx/access.log|grep -E GET |awk '{print $4}'| cut -d: -f 2,3 | uniq -c|less
    190 00:15
    183 00:16
    650 00:17 <<<
    180 00:18
    231 00:19
...
    197 00:34
    213 00:35
    152 00:36
    660 00:37  <<<
    180 00:38
    273 00:39
    198 00:40
...
    233 00:55
    205 00:56
    686 00:57  <<<
    183 00:58
    233 00:59
    273 01:00

Originally created by @binwiederhier on GitHub (Nov 19, 2022). Original GitHub issue: https://github.com/binwiederhier/ntfy/issues/509 Number of GETs during the peak minutes: ``` $ cat /var/log/nginx/access.log|grep -E GET |awk '{print $4}'| cut -d: -f 2,3 | uniq -c|less 190 00:15 183 00:16 650 00:17 <<< 180 00:18 231 00:19 ... 197 00:34 213 00:35 152 00:36 660 00:37 <<< 180 00:38 273 00:39 198 00:40 ... 233 00:55 205 00:56 686 00:57 <<< 183 00:58 233 00:59 273 01:00 ``` ![image](https://user-images.githubusercontent.com/664597/202832796-2b1cde41-e403-418f-a491-62871631d82e.png)