snappy drill

Written in the summer of 2013 1. Download [Hadoop@master pub]$ wget https://snappy.googlecode.com/files/snappy-1.1.0.tar.gz 2. Installation [Hadoop@master snappy-1.1.0]$ sudo yum install gcc gcc+ gcc-c++ [hadoop@master bin]$ tar axvf snappy-1.1.0.tar.gz [hadoop@master bin]$ cd snappy-1.1.0 [h

In snappy Ubuntu core, Autoupilot is a feature of it. As long as the autopilot feature is on, and our snappy device is networked, it can automatically connect and update our snappy Ubuntu Core. This autopilot switch is on by default. We can set it up by Snappy Config. We can view its current settings with the followin

The compression/decompression requirements in the project should be many, such as the typical consideration of network transmission delay and data compression transmission, or other types of space storage requirements. This time also encountered a similar demand, in doing a crawler, because the crawl project has not yet been determined, so consider the entire HTML page compression stored in the database, so it is a variety of Google, and finally did not accidentally Google to Google's

Previously wrote an article: http://blog.csdn.net/stark_summer/article/details/47361603, that time the Linux environment Spark use snappy way compression is not good, And today my colleague Hive on Hadoop uses snappy compression method also reported this mistake, now I, feel this problem must solveI think, can only use the most stupid way to solve this problem, put the libsnappyjava.so file under the $JAVA

In today's article, we'll focus on how to use Snapcraft to compile our application and package our app as a. Snap package. Since our snapcraft does not yet support cross-compile, we also need to build a ARMHF environment for our development boards (such as Raspberry Pi) to compile our applications and eventually deploy them to our development version. Here we take the Raspberry Pi development version as an example. If you don't currently know how to build your own hardware environment, please se

In many cases, we need to compress a large amount of data quickly, and make a balance between disk Io and CPU so thatProgramIt runs faster. Snappy is such a fast data compressionAlgorithm. For a single core i7 processor (64-Bit mode), the processing speed can reach more than 250 Mb/s. Generally, snappy is faster than similar compression algorithms, such as lzo, lzf, fastlz, and quicklz. The compression rat

Based on the understanding of snappy Ubuntu Core, I have done a few demonstration applications. 1) Use snappy Ubuntu core to control Piglow http://v.youku.com/v_show/id_XMTQ0Mjk3MjE2OA==.html HTTPS://YOUTU.BE/K6PXE6FUJMC2) Use snappy Ubuntu core to collect sensor data and control LED lights http://v.youku.com/v_show/id_XMTQ0Mjk3MzUxMg==.html https:// Youtu.be/re

The two days of the project need to convert HTML pages to PDF file for easy printing, I searched the internet a lot of information. Have tried laravel-dompdf and laravel-snappy two kinds of expansion pack, personal feeling laravel-snappy more useful. First, using the Laravel-dompdf expansion pack 1. Install Expansion pack We install it through composer. require barryvdh/laravel-dompdf

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