六： Image Viewer 離線鏡像查看器
阿新 • • 發佈：2017-08-31
align osi 選項 mage ive host -s data port 參考：http://hadoop.apache.org/docs/r2.6.3/hadoop-project-dist/hadoop-hdfs/HdfsImageViewer.html 離線鏡像查看器用於查看HDFS鏡像。hadoop2.4之前的鏡像查看器與之後的不同，要查看2.4之前的，請用2.3的查看器，或者用oiv_legacy Command 命令。
輸出格式：1)web http(默認方式)2)XML
使用方式：1)web方式首先啟動HTTP REST:
命令選項:
來自為知筆記(Wiz)
輸出格式：1)web http(默認方式)2)XML
使用方式：1)web方式首先啟動HTTP REST:
命令選項:
| Flag | Description |
| -i|--inputFile | Specify the input fsimage file to process. Required. |
| -o|--outputFile output file | Specify the output filename, if the specified output processor generates one. If the specified file already exists, it is silently overwritten. (output to stdout by default) |
| -p|--processor processor | Specify the image processor to apply against the image file. Currently valid options are Web (default), XML and FileDistribution. |
| -addr address | Specify the address(host:port) to listen. (localhost:5978 by default). This option is used with Web processor. |
| -maxSize size | Specify the range [0, maxSize] of file sizes to be analyzed in bytes (128GB by default). This option is used with FileDistribution processor. |
| -step size | Specify the granularity of the distribution in bytes (2MB by default). This option is used with FileDistribution processor. |
| -h|--help | Display the tool usage and help information and exit. 來源： http://hadoop.apache.org/docs/r2.6.5/hadoop-project-dist/hadoop-hdfs/HdfsImageViewer.html |
來自為知筆記(Wiz)
六： Image Viewer 離線鏡像查看器