I hadn't checked in a while, but I now see we have lots of httpd-cores
related to mod_mbox on ajax. Most of them look like this:
#0 mbox_mime_decode_body (p=0x600000000042e508, cte=CTE_NONE, body=0x0,
len=0) at mod_mbox_mime.c:290
#1 0x200000000101ada0 in mbox_mime_get_body (p=0x600000000042e508,
m=0x600000000069a0a0) at mod_mbox_mime.c:309
#2 0x200000000101af80 in mbox_mime_get_body (p=0x600000000042e508,
m=0x6000000000699ff0) at mod_mbox_mime.c:320
#3 0x20000000010131f0 in mbox_static_message (r=0x600000000042e570,
f=0x60000000004498c8) at mod_mbox_out.c:1173
#4 0x200000000100a9c0 in mbox_file_handler (r=0x600000000042e570) at
mod_mbox_file.c:320
#5 0x4000000000035f90 in ap_run_handler (r=0x600000000042e570) at
config.c:153
#6 0x4000000000036f70 in ap_invoke_handler (r=0x600000000042e570) at
config.c:317
#7 0x400000000002fb00 in ap_process_request (r=0x600000000042e570) at
http_request.c:226
#8 0x4000000000024bf0 in ap_process_http_connection
(c=0x60000000001e04a0) at http_core.c:233
#9 0x400000000004db00 in ap_run_process_connection
(c=0x60000000001e04a0) at connection.c:43
#10 0x4000000000032910 in child_main (child_num_arg=27976) at prefork.c:610
#11 0x4000000000032be0 in make_child (s=0x6000000000047788, slot=411) at
prefork.c:704
#12 0x4000000000033180 in perform_idle_server_maintenance (p=0x3) at
prefork.c:839
#13 0x4000000000033fc0 in ap_mpm_run (_pconf=0x0,
plog=0x6000000000042298, s=0x0) at prefork.c:863
#14 0x4000000000041f60 in main (argc=2, argv=0x60000fffffffb098) at
main.c:618
