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More work on Confoo talks

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Rasmus Lerdorf
2016-02-22 22:47:57 -08:00
parent d0d97d5031
commit eb02969c5a
6 changed files with 122 additions and 0 deletions
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confoo16a.html
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<section id="prod_mem">
<img src="/presentations/slides/intro/mem.png" align="center" width="882" height="465">
</section> </section>
<section>
<section id="php7_tune_opcache">
<h2 margin-bottom="2em">PHP 7 Tuning</h2><br>
<p class="p" style="font-size:2em;">Opcache</p>
<pre><code class="ini" data-trim style="font-size:1.1em;">opcache.memory_consumption=2048
opcache.max_accelerated_files=100000
opcache.validate_timestamps=1
opcache.revalidate_freq=2
opcache.save_comments=0
opcache.enable_file_override=0
opcache.enable_cli=0
opcache.max_wasted_percentage=10
opcache.interned_strings_buffer=128
opcache.fast_shutdown=1
opcache.huge_code_pages=1
opcache.optimization_level=0x7FFFBFFF</code></pre>
</section>
<section id="php7_tune_huge">
<p class="p" style="font-size:2em;">Huge Pages</p>
<pre><code class="shell nohighlight" data-trim style="font-size:1.2em;">$ sysctl -w vm.nr_hugepages=512
vm.nr_hugepages = 512
(Add it to your /etc/sysctl.conf)
$ grep Huge /proc/meminfo
AnonHugePages: 6144 kB
HugePages_Total: 512
HugePages_Free: 300
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB</code></pre>
</section>
<section id="php7_tune_realpath">
<p class="p" style="font-size:2em;">increase realpath_cache_size</p>
<pre><code class="ini" data-trim style="font-size:2em;">realpath_cache_size=128k</code></pre>
</section>
<section id="php7_tune_mysql">
<p class="p" style="font-size:2em;">If using MySQL, use mysqlnd</p>
<img src="/presentations/slides/intro/mysqli.png" align="center" width="958" height="167">
<img src="/presentations/slides/intro/pdo.png" align="center" width="952" height="95">
<p class="p" style="font-size:1em;">Check your command buffer usage</p>
<img src="/presentations/slides/intro/mysqlnd.png" align="center" width="947" height="140">
</section>
<section id="php7_tune_tmpfs">
<p class="p" style="font-size:2em;">DocumentRoot on tmpfs</p>
<pre><code class="shell nohighlight" data-trim style="font-size:1em;">$ mount | grep tmpfs
tmpfs on /var/www type tmpfs (rw,relatime,size=12288000k,mode=755)
$ ls -la /var/www
total 5
drwxr-xr-x 5 root root 160 Feb 23 02:47 .
drwxr-xr-x 26 root root 4096 Feb 7 19:40 ..
lrwxrwxrwx 1 root root 14 Feb 23 02:47 current -&gt; /var/www/A
drwxrwxr-x 25 apache apache 640 Feb 11 22:04 A
drwxrwxr-x 25 apache apache 640 Feb 11 22:04 B</code></pre>
</section> </section>
<section>
<section id="numa">
<h2 margin-bottom="2em">Hyperthreading and NUMA</h2><br>

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<slide>slides/intro/etsy_deploy.xml</slide>
<slide>slides/intro/php7prod.xml</slide>
<slide>slides/intro/php7_tuning.xml</slide>
<slide>slides/intro/numa.xml</slide>
<slide>slides/intro/driveshaft.xml</slide>

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<slide title="PHP 7 Tuning" section="php7_tune_opcache">
<blurb fontsize="2em">Opcache</blurb>
<example fontsize="1.1em" marginleft="7em" result='0' title="" type="ini"><![CDATA[<?php
opcache.memory_consumption=2048
opcache.max_accelerated_files=100000
opcache.validate_timestamps=1
opcache.revalidate_freq=2
opcache.save_comments=0
opcache.enable_file_override=0
opcache.enable_cli=0
opcache.max_wasted_percentage=10
opcache.interned_strings_buffer=128
opcache.fast_shutdown=1
opcache.huge_code_pages=1
opcache.optimization_level=0x7FFFBFFF
]]></example>
<break lines="1" section="php7_tune_huge"/>
<blurb fontsize="2em">Huge Pages</blurb>
<example fontsize="1.2em" marginleft="7em" result='0' title="" type="shell nohighlight"><![CDATA[<?php
$ sysctl -w vm.nr_hugepages=512
vm.nr_hugepages = 512
(Add it to your /etc/sysctl.conf)
$ grep Huge /proc/meminfo
AnonHugePages: 6144 kB
HugePages_Total: 512
HugePages_Free: 300
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
]]></example>
<break lines="1" section="php7_tune_realpath"/>
<blurb fontsize="2em">increase realpath_cache_size</blurb>
<example fontsize="2em" marginleft="7em" result='0' title="" type="ini"><![CDATA[<?php
realpath_cache_size=128k
]]></example>
<break lines="1" section="php7_tune_mysql"/>
<blurb fontsize="2em">If using MySQL, use mysqlnd</blurb>
<image width="958" height="167" filename="mysqli.png" align="center"/>
<image width="952" height="95" filename="pdo.png" align="center"/>
<blurb fontsize="1em">Check your command buffer usage</blurb>
<image width="947" height="140" filename="mysqlnd.png" align="center"/>
<break lines="1" section="php7_tune_tmpfs"/>
<blurb fontsize="2em">DocumentRoot on tmpfs</blurb>
<example fontsize="1em" marginleft="7em" result='0' title="" type="shell nohighlight"><![CDATA[<?php
$ mount | grep tmpfs
tmpfs on /var/www type tmpfs (rw,relatime,size=12288000k,mode=755)
$ ls -la /var/www
total 5
drwxr-xr-x 5 root root 160 Feb 23 02:47 .
drwxr-xr-x 26 root root 4096 Feb 7 19:40 ..
lrwxrwxrwx 1 root root 14 Feb 23 02:47 current -> /var/www/A
drwxrwxr-x 25 apache apache 640 Feb 11 22:04 A
drwxrwxr-x 25 apache apache 640 Feb 11 22:04 B
]]></example>
</slide>