Mercurial > hg > nginx-quic
annotate docs/dtd/changes.dtd @ 4164:c48662671609 stable-1.0
Merging r4130, r4131, r4135:
Linux AIO related fixes:
*) Fixing Linux AIO syscalls return value handling:
syscall(2) uses usual libc convention, it returns -1 on error and
sets errno. Obsolete _syscall(2) returns negative value of error.
*) Fixing Linux AIO initiatialization: AIO operations are disabled
if kernel does not support them. Previously worker just exited.
*) The "worker_aio_requests" directive.
The default value is 32 AIO simultaneous requests per worker. Previously
they were hardcoded to 1024, and it was too large, since Linux allocated
them early on io_setup(), but not on request itself. So with default value
of /proc/sys/fs/aio-max-nr equal to 65536 only 64 worker processes could
be run simultaneously. 32 AIO requests are enough for modern disks even if
server runs only 1 worker.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 30 Sep 2011 14:12:53 +0000 |
parents | 818fbd4750b9 |
children | 5e3bda6f5208 |
rev | line source |
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450 | 1 |
2 <!ENTITY nbsp " " > | |
547 | 3 <!ENTITY mdash " - " > |
450 | 4 |
5 | |
6 <!ELEMENT change_log (changes)* > | |
7 <!ATTLIST change_log title CDATA #REQUIRED > | |
8 | |
9 <!ELEMENT changes (change)* > | |
10 <!ATTLIST changes ver CDATA #REQUIRED | |
11 date CDATA #REQUIRED | |
12 > | |
13 | |
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15 <!ATTLIST change type (bugfix | feature | change | workaround) #IMPLIED > | |
16 | |
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18 <!ATTLIST para lang (ru | en) #IMPLIED > | |
19 | |
20 <!ELEMENT at EMPTY > | |
21 <!ELEMENT br EMPTY > | |
22 <!ELEMENT nobr (#PCDATA) > |