socialinks.org

<p>In this post, he explains the commonly asked question about Redis.</p> <p><em>"Why Redis can't just use OS virtual memory?"</em></p> <p>In short, the reasons are finer grain control over swapping (memory &lt;-&gt; disk) and more optimized I/O access to disk.</p> <p>Some random trivia about Redis:</p> <ul> <li>On Redis VM, only values are swapped to disk, not keys.</li> <li>You can paginate Redis using <a href="http://code.google.com/p/redis/wiki/LrangeCommand">LRANGE</a> and <a href="http://code.google.com/p/redis/wiki/ZrangeCommand">ZRANGE.</a></li> </ul> <p>&nbsp;</p> <p>&nbsp;</p>

<p>BeautifulSoup documentation</p>

Another perspective from Linus about C++

<p>The link is the first part of 9 series:</p> <p><span style="font-family: Times; font-size: medium; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"> </span></p> <ul> <li><a style="text-decoration: none; color: blue;" href="http://lwn.net/Articles/252125/">Part 2</a>&nbsp;: CPU caches</li> <li><a style="text-decoration: none; color: blue;" href="http://lwn.net/Articles/253361/">Part 3</a>&nbsp;: Virtual memory</li> <li><a style="text-decoration: none; color: blue;" href="http://lwn.net/Articles/254445/">Part 4</a>&nbsp;: NUMA systems</li> <li><a style="text-decoration: none; color: blue;" href="http://lwn.net/Articles/255364/">Part 5</a>&nbsp;: What programmers can do - cache optimization</li> <li><a style="text-decoration: none; color: blue;" href="http://lwn.net/Articles/256433/">Part 6</a>&nbsp;: What programmers can do - multi-threaded optimizations</li> <li><a style="text-decoration: none; color: blue;" href="http://lwn.net/Articles/257209/">Part 7</a>&nbsp;: Memory performance tools</li> <li><a style="text-decoration: none; color: blue;" href="../../../Articles/258154/">Part 8</a>&nbsp;: Future technologies</li> <li><a style="text-decoration: none; color: blue;" href="../../../Articles/258188/">Part 9</a>&nbsp;: Appendices and bibliography</li> </ul> <p>&nbsp;</p>