[ https://issues.apache.org/jira/browse/HDFS-8376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yi Liu resolved HDFS-8376. -------------------------- Resolution: Invalid > Erasure Coding: Update last cellsize calculation according to whether the > erasure codec has chunk boundary > ---------------------------------------------------------------------------------------------------------- > > Key: HDFS-8376 > URL: https://issues.apache.org/jira/browse/HDFS-8376 > Project: Hadoop HDFS > Issue Type: Sub-task > Reporter: Yi Liu > Assignee: Yi Liu > > Current calculation for last cell size is as following. For parity cell, the > last cell size is the same as the first data cell. But some erasure codec > has chunk boundary, then the last cellsize for parity block is the codec > chunk size. > {code} > private static int lastCellSize(int size, int cellSize, int numDataBlocks, > int i) { > if (i < numDataBlocks) { > // parity block size (i.e. i >= numDataBlocks) is the same as > // the first data block size (i.e. i = 0). > size -= i*cellSize; > if (size < 0) { > size = 0; > } > } > return size > cellSize? cellSize: size; > } > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)