'Multiple children processes running at the same time

I have a lot of issues with my server and I found that is because of these children processes:

13461 root       20   0  292M 38824 30800 S  0.0  0.5  0:00.03 ├─ /usr/sbin/apache2 -k start


13489 www-data   20   0  292M 15612  7564 S  0.0  0.2  0:00.00 │  ├─ /usr/sbin/apache2 -k start
13488 www-data   20   0  292M 17852  9688 S  0.0  0.2  0:00.00 │  ├─ /usr/sbin/apache2 -k start
  13487 www-data   20   0  312M 60584 33804 S  0.7  0.7  0:00.17 │  ├─ /usr/sbin/apache2 -k start
  13486 www-data   20   0  308M 55608 34236 S  0.0  0.7  0:00.17 │  ├─ /usr/sbin/apache2 -k start
  13485 www-data   20   0  301M 56820 39172 S  0.0  0.7  0:00.16 │  ├─ /usr/sbin/apache2 -k start
  13484 www-data   20   0  312M 60252 33276 S  0.0  0.7  0:00.18 │  ├─ /usr/sbin/apache2 -k start
  13483 www-data   20   0  318M 67240 34044 S  0.7  0.8  0:00.28 │  ├─ /usr/sbin/apache2 -k start
  13482 www-data   20   0  302M 52836 36108 S  1.3  0.6  0:00.18 │  ├─ /usr/sbin/apache2 -k start
  13481 www-data   20   0  302M 53172 36240 S  0.0  0.7  0:00.16 │  ├─ /usr/sbin/apache2 -k start
  13480 www-data   20   0  312M 60484 33732 S  0.7  0.7  0:00.23 │  ├─ /usr/sbin/apache2 -k start
  13479 www-data   20   0  304M 60268 40540 S  0.0  0.7  0:00.25 │  ├─ /usr/sbin/apache2 -k start
  13478 www-data   20   0  306M 72048 50908 S  0.7  0.9  0:00.57 │  ├─ /usr/sbin/apache2 -k start
  13471 www-data   20   0  318M 68884 36792 S  0.7  0.8  0:00.46 │  ├─ /usr/sbin/apache2 -k start
  13470 www-data   20   0  322M 74324 36892 S  0.0  0.9  0:00.55 │  ├─ /usr/sbin/apache2 -k start
  13468 www-data   20   0  330M 92356 49244 S  0.7  1.1  0:00.77 │  ├─ /usr/sbin/apache2 -k start
  13466 www-data   20   0  304M 55188 36216 S  0.0  0.7  0:00.51 │  ├─ /usr/sbin/apache2 -k start
  13465 www-data   20   0  330M 93472 50280 S  0.7  1.1  0:00.77 │  ├─ /usr/sbin/apache2 -k start
  13464 www-data   20   0  334M 83780 36764 S  0.7  1.0  0:00.72 │  ├─ /usr/sbin/apache2 -k start
  13463 www-data   20   0  308M 67112 43864 R  3.3  0.8  0:00.60 │  ├─ /usr/sbin/apache2 -k start
  13462 www-data   20   0  309M 71384 47772 S  0.7  0.9  0:00.73 │  └─ /usr/sbin/apache2 -k start

As you can see, I have my parent process, and then a lot of children processes are spawning and they won´t stop. This is making my server super slow that I can´t even work on it.

Could you tell me how can I set a limit for these children processes?

Thanks in advance.

apache2

Solution 1:^[1]

This was due to a malware installed in the user's computer, causing a lot of request at once. I cleaned the computer and it stopped sending that amount of request/processes.

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Solution	Source
Solution 1	Rodri6uez

'Multiple children processes running at the same time

Solution 1:[1]

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Solution 1:^[1]