read gz file

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Spark reads the GZ file with the Parquet file

1.spark Read the compressed file of HDFs GZ spark1.5 later versions support direct reading of files in GZ format, no difference from reading other plain text files.Start the spark shell interface and read the GZ file in the same way as a plain text

How to unzip a. GZ zip file

how to unzip a. gz zip file #gzip-D xxx.gz Tar command [Root@linux ~]# tar [-cxtzjvfppn] files and directories .... Parameters: -C: Create a compressed file parameter directive (the meaning of Create); -X: Unlocks a parameter directive for a

Try to read and write GZ compressed files using C + + Gzlib and Java Gzipoutputstream

Issue background:I need to generate a type of double matrix of about 1.5T, the hard disk can not stand, io time is not consumed, so try to compress before the output. Matrix generation using Java, calculations on matrices using CPPThen try to use

Python reads data from a text file in the GZ compressed file directly by line __python

Previously wrote a log file (TXT file) to extract a specific log, written to the MySQL database script, because the log is too large, maintenance staff to pack the log compressed into the tar.gz format. TXT file before a single file of more than 2G,

"Linux command" Linux unzip multiple. gz or. tar.gz files at once

Original: Linux unzip multiple. gz or. tar.gz files at once Unzip multiple compressed packagesFor extracting multiple .gz files, use this command:for gz in *.gz; do gunzip $gz; doneFor extracting multiple .tar.gz files, use the following

Post a Java read HDFs unzip the gz zip tar.gz saved to HDFs code

Package;Import*;Import java.util.LinkedList;Import java.util.List;Import*;Import org.apache.commons.compress.archivers.ArchiveException;Import Org.apache.commons.compress.archivers.ArchiveInputStream;Import

Java implements tar GZ packaging for multiple files

Package test; import Java. io. file; import Java. io. fileinputstream; import Java. io. filenotfoundexception; import Java. io. fileoutputstream; import Java. io. ioexception; import gzipoutputstream; import

Java extracting. gz files

1.//creating gzip compressed file input stream2. Create a gzip decompression workflowNew FileInputStream (FilePath + fileName); // Defrost able New Gzipinputstream (FileInputStream); New File (FilePath);

RPM Package Management Detailed

The RPM command management package on the CentOS systemOne, RPM package management is divided into installation, upgrade, uninstall, query and calibration, database maintenanceInstallation of RPM packagesThe option parameters added after the rpm

r8-Batch Build folder, bulk Read folder name +r file Management system operation function

I. Batch build folder, bulk Read folder nameToday, the work encountered a problem: Boss gave us more than 200 companies ID code (such as 6007, 7920, etc.), need to search for the download news according to these ID numbers, so that the download to

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