Compressioncodecfactory
WebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. WebHadoop压缩之CompressionCodecFactory. 1.CompressionCodecFactory简介. 当在读取一个压缩文件的时候,可能并不知道压缩文件用的是哪种压缩算法,那么无法完成解压 …
Compressioncodecfactory
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WebThe following examples show how to use org.apache.hadoop.io.compress.CompressionCodecFactory.You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. WebOct 25, 2015 · Configuration conf = new Configuration(); CompressionCodecFactory factory = new CompressionCodecFactory(conf); CompressionCodec cdc = …
WebaddCodec(new GzipCodec());... addCodec(new DefaultCodec()); ... addCodec(ReflectionUtils.newInstance(codecClass, conf)); WebJun 29, 2016 · I am writing data into hdfs with the following code: def createOrAppendHadoopSnappy(path: Path, hdfs: FileSystem): CompressionOutputStream = { val compressionCodecFactory = new CompressionCodecF...
WebcompressionCodecFactory = new CompressionCodecFactory (getConfiguration ());} return compressionCodecFactory;} /** * Extending Hadoop Configuration to prevent it from caching classes that can't be found. Since users may be * adding additional JARs to the classpath we don't want them to have to restart the JVM to be able to load WebDec 12, 2024 · Codec: A compressor/decompressor (codec) is any dual-function device or application that compresses and decompresses a data object or file. It enables the …
WebYou should use the CompressionCodecFactory if you want to use compression outside of the standard OutputFormat handling (as detailed in @linker answer): …
WebSep 4, 2024 · 使用CompressionCodecFactory推断出压缩编码 如果你需要读取一个压缩文件,正常情况下你会观察压缩文件的扩展名来推断出所使用的压缩编码,.gz结尾的文件可以使用 GzipCodec读取等等。每一种压缩编码的扩展名都在表5-1中列举。 cpk birthday rewardWebCompressionCodecFactory public CompressionCodecFactory(Configuration conf) Find the codecs specified in the config value io.compression.codecs and register them. Defaults to gzip and deflate. Method Detail. toString public String toString() Print the … cpk best dishes to orderWebJava CompressionCodecFactory.getCodec - 3 examples found. These are the top rated real world Java examples of java.util.CompressionCodecFactory.getCodec extracted … cpk blutwertWebIf no codec is provided, the data is. * written in bulk but uncompressed. * @param The type of element to write. * Hadoop CompressionCodec name is specified. this.extractor = checkNotNull (extractor, "Extractor cannot be null"); * Compresses the data using the provided Hadoop {@link CompressionCodec}. * Configuration}. displayschutz galaxy watch 4 classicWebpublic CompressionCodecFactory(Configuration conf) Find the codecs specified in the config value io.compression.codecs and register them. Defaults to gzip and deflate. cpkb packaging sourceWebpublic CompressionCodec getCodecByName ( String codecName) Find the relevant compression codec for the codec's canonical class name or by codec alias. Codec … cpk blood highcpk birthday parties