http://simonwillison.net/2009-04-02T10:47:59+00:00Simon Willison2009-04-02T10:47:59+00:002009-04-02T10:47:59+00:00https://simonwillison.net/2009/Apr/2/batteries/#atom-tag

<p><strong><a href="http://news.cnet.com/8301-1001_3-10209580-92.html?part=rss&amp;subj=news&amp;tag=2547-1_3-0-20">Google uncloaks once-secret server</a></strong></p> Instead of a data centre wide UPS and redundant power supplies, each Google server has its own 12V battery. They live in standard shipping containers, each holding 1,160 servers. <p>Tags: <a href="https://simonwillison.net/tags/datacentres">datacentres</a>, <a href="https://simonwillison.net/tags/google">google</a>, <a href="https://simonwillison.net/tags/operations">operations</a>, <a href="https://simonwillison.net/tags/power">power</a>, <a href="https://simonwillison.net/tags/servers">servers</a>, <a href="https://simonwillison.net/tags/ups">ups</a></p>

2008-07-27T11:05:26+00:002008-07-27T11:05:26+00:00https://simonwillison.net/2008/Jul/27/battery/#atom-tag

<p><strong><a href="http://vafer.org/blog/20080727104255">Battery Statistics</a></strong></p> Run “ioreg -w0 -l | grep Capacity” on a MacBook or MacBook Pro to find out the DesignCapacity (original) and MaxCapacity (current) of your laptop’s battery. <p>Tags: <a href="https://simonwillison.net/tags/battery">battery</a>, <a href="https://simonwillison.net/tags/capacity">capacity</a>, <a href="https://simonwillison.net/tags/corstencurdt">corstencurdt</a>, <a href="https://simonwillison.net/tags/macbook">macbook</a>, <a href="https://simonwillison.net/tags/macbookpro">macbookpro</a>, <a href="https://simonwillison.net/tags/power">power</a></p>

2007-01-16T08:20:05+00:002007-01-16T08:20:05+00:00https://simonwillison.net/2007/Jan/16/power/#atom-tag

<blockquote cite="http://www.addsimplicity.com/adding_simplicity_an_engi/2007/01/compute_power_i.html"><p>As software architects, power consumption is now squarely in our camp to manage. There is plenty we can do to improve the quantity of power our data centers consume. [...] This is not just a hardware problem any longer.</p></blockquote> <p class="cite">&mdash; <a href="http://www.addsimplicity.com/adding_simplicity_an_engi/2007/01/compute_power_i.html">Dan Pritchett</a></p> <p>Tags: <a href="https://simonwillison.net/tags/dan-pritchett">dan-pritchett</a>, <a href="https://simonwillison.net/tags/power">power</a></p>