how to use lzo compression in hadoop?
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Configuring LZO compression in Hadoop Now you need to configure LZO and hadoop-lzo jar in Hadoop environment. Update the configuration file $HADOOP_INSTALLATION_DIR/etc/hadoop/core-site. xml to register LZO codecs. Copy hadoop-lzo jar to /share/hadoop/mapreduce/lib in your $HADOOP_INSTALLATION_DIR.
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The ideal way to enable compression in Litespeed is to do it through the configuration under "tuning". Just go down to "enable compression" and check to see if it is on, if not click "edit" then choose to turn it on. While you are there, look over the several Gzip options that are nearby.
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['Put all the files into a new folder.', 'Right-click on the folder to be sent.', 'Select "Send To" and then click "Compressed (Zipped) folder"', 'The files will start compressing.', 'After the compression process is complete, attach the compressed file with the extension . zip to your email.']
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['Double click the zipped file.', 'The file will automatically be decompressed by Archive Utility into the same folder the compressed file is in.', 'Access the extracted files by clicking the appropriate icons.']
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On Linux, gzip is unable to compress a folder, it used to compress a single file only. To compress a folder, you should use tar + gzip , which is tar -z .
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xz is a new general-purpose, command line data compression utility, similar to gzip and bzip2. It can be used to compress or decompress a file according to the selected operation mode. It supports various formats to compress or decompress files.
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Right-click one of the files. A menu will appear. In the menu, click Send to and select Compressed (zipped) folder. A zip file will appear.
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They are different archive formats. They are used because it saves bandwidth and because they bundle files. Zip is more common on Windows and there is a decompressor preinstalled. Tgz is gzip + tar and is common on Linux.
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['Right-click the zip file. ... ', 'If you want to unzip the files to a different folder, click "Browse…" and choose a location.', 'Click "Extract" and the files will be unzipped and copied to the folder indicated.']
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['Right-click the compressed (zipped) folder.', 'Select Extract All from the context menu.', 'By default, the compressed files will extract in the same location as the zipped folder, but you can click the Browse button to select an alternative location.']
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["Step:1 Type ' df -h' command to list the file system.", 'Step:2 Now check whether free space is available space in the volume group.', 'Step:3 Use lvextend command to increase the size.', 'Step:3 Run the resize2fs command.', 'Step:4 Use df command and verify /home size .']
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['Run all IOZone tests using default values. ... ', 'Save the output to a spreadsheet using iozone -b. ... ', 'Run only a specific type of test using iozone -i. ... ', 'Specify the file size using iozone -s. ... ', 'Specify the record size for testing using iozone -r. ... ', 'Combine file size with record size. ... ', 'Throughput test using iozone -t.']
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['Install xz using the dnf install xz on a CentOS/RHEL/Fedora Linux.', 'Debian/Ubuntu Linux users try apt install xz-utils command.', 'Extract tar. xz using the tar -xf backup. tar. xz command.', 'To decompress filename. tar. xz file run: xz -d -v filename. tar. xz.']
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You need a suitable software like lzop to open an LZO file. Without proper software you will receive a Windows message "How do you want to open this file?" (Windows 10) or "Windows cannot open this file" (Windows 7) or a similar Mac/iPhone/Android alert.
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One way you could move the data is by using Transient External Tables . Start by creating a flat file from your source table/db. Because you are moving from Netezza to Netezza you can save time and space by turning on compression and using internal formatting. CREATE EXTERNAL TABLE 'C:\FileName.
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['Select the files you wish to compress and combine into a Zip file.', 'Right click on the files and click on Send to to open the menu.', 'Click on Compressed (zipped) folder from the list.', 'A. The zipped file will automatically appear in the folder where the original files reside.']
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['Right click on the zip file and choose “EXTRACT ALL”', 'Choose where you want the zip folder to be extracted.', 'Keep the “SHOW EXTRACTED FILES WHEN COMPLETE” unchecked.', 'Click the “EXTRACT” button to start unzipping (or extracting the zipped files)']