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Unified <section> syntax for "article" and "module" documents.
author Ruslan Ermilov <ru@nginx.com>
date Thu, 20 Oct 2011 20:27:51 +0000
parents 9d544687d02c
children 7db449e89e92
comparison
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120:da8bd4d2290f 121:49443032011c
3 <article title="Tuning FreeBSD for the highload" 3 <article title="Tuning FreeBSD for the highload"
4 link="/en/docs/tuning_freebsd.html" 4 link="/en/docs/tuning_freebsd.html"
5 lang="en"> 5 lang="en">
6 6
7 7
8 <section title="Syncache and syncookies"> 8 <section name="Syncache and syncookies">
9 9
10 <para> 10 <para>
11 We look at how various kernel settings affect ability of the kernel 11 We look at how various kernel settings affect ability of the kernel
12 to process requests. Let&rsquo;s start with TCP/IP connection establishment. 12 to process requests. Let&rsquo;s start with TCP/IP connection establishment.
13 </para> 13 </para>
17 </para> 17 </para>
18 18
19 </section> 19 </section>
20 20
21 21
22 <section name="listen_queues" 22 <section id="listen_queues"
23 title="Listen queues"> 23 name="Listen queues">
24 24
25 <para> 25 <para>
26 After the connection has been established it is placed in the listen queue 26 After the connection has been established it is placed in the listen queue
27 of the listen socket. 27 of the listen socket.
28 To see the current listen queues state, you may run the command 28 To see the current listen queues state, you may run the command
81 </para> 81 </para>
82 82
83 </section> 83 </section>
84 84
85 85
86 <section name="sockets_and_files" 86 <section id="sockets_and_files"
87 title="Sockets and files"> 87 name="Sockets and files">
88 88
89 <para> 89 <para>
90 [ sockets, files ] 90 [ sockets, files ]
91 </para> 91 </para>
92 92
93 </section> 93 </section>
94 94
95 95
96 <section name="socket_buffers" 96 <section id="socket_buffers"
97 title="Socket buffers"> 97 name="Socket buffers">
98 98
99 <para> 99 <para>
100 When a client sends a data, the data first is received by the kernel 100 When a client sends a data, the data first is received by the kernel
101 which places the data in the socket receiving buffer. 101 which places the data in the socket receiving buffer.
102 Then an application such as the web server 102 Then an application such as the web server
142 </para> 142 </para>
143 143
144 </section> 144 </section>
145 145
146 146
147 <section name="mbufs" 147 <section id="mbufs"
148 title="mbufs, mbuf clusters, etc."> 148 name="mbufs, mbuf clusters, etc.">
149 149
150 <para> 150 <para>
151 Inside the kernel the buffers are stored in the form of chains of 151 Inside the kernel the buffers are stored in the form of chains of
152 memory chunks linked using the <i>mbuf</i> structures. 152 memory chunks linked using the <i>mbuf</i> structures.
153 The mbuf size is 256 bytes and it can be used to store a small amount 153 The mbuf size is 256 bytes and it can be used to store a small amount
315 --> 315 -->
316 316
317 </section> 317 </section>
318 318
319 319
320 <section name="proxying" 320 <section id="proxying"
321 title="Proxying"> 321 name="Proxying">
322 322
323 323
324 <programlisting> 324 <programlisting>
325 net.inet.ip.portrange.randomized=0 325 net.inet.ip.portrange.randomized=0
326 net.inet.ip.portrange.first=1024 326 net.inet.ip.portrange.first=1024
328 </programlisting> 328 </programlisting>
329 329
330 </section> 330 </section>
331 331
332 332
333 <section name="finalizing_connection" 333 <section id="finalizing_connection"
334 title="Finalizing connection"> 334 name="Finalizing connection">
335 335
336 <programlisting> 336 <programlisting>
337 net.inet.tcp.fast_finwait2_recycle=1 337 net.inet.tcp.fast_finwait2_recycle=1
338 </programlisting> 338 </programlisting>
339 339
340 </section> 340 </section>
341 341
342 342
343 <section name="i386_specific_tuning" 343 <section id="i386_specific_tuning"
344 title="i386 specific tuning"> 344 name="i386 specific tuning">
345 345
346 <para> 346 <para>
347 [ KVA, KVM, nsfbufs ] 347 [ KVA, KVM, nsfbufs ]
348 </para> 348 </para>
349 349
350 </section> 350 </section>
351 351
352 352
353 <section name="minor_optmizations" 353 <section id="minor_optmizations"
354 title="Minor optimizations"> 354 name="Minor optimizations">
355 355
356 <para> 356 <para>
357 357
358 <programlisting> 358 <programlisting>
359 sysctl kern.random.sys.harvest.ethernet=0 359 sysctl kern.random.sys.harvest.ethernet=0