jojochuang commented on a change in pull request #2849: URL: https://github.com/apache/hadoop/pull/2849#discussion_r612493208
########## File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.java ########## @@ -297,23 +281,18 @@ private static String getSuffix(File f, String prefix) { * @param metaFile the path to the block meta-data file Review comment: need a @param for basePath. Also add that metaFile stores only the suffix. ########## File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.java ########## @@ -227,27 +227,27 @@ */ public static class ScanInfo implements Comparable<ScanInfo> { private final long blockId; - /** - * The block file path, relative to the volume's base directory. - * If there was no block file found, this may be null. If 'vol' - * is null, then this is the full path of the block file. + * The full path to the folder containing the block / meta files. */ - private final String blockSuffix; - + private final File basePath; /** - * The suffix of the meta file path relative to the block file. - * If blockSuffix is null, then this will be the entire path relative - * to the volume base directory, or an absolute path if vol is also - * null. + * The block file name, with no path */ - private final String metaSuffix; + private final String blockFile; + /** + * Holds the meta file name, with no path, only if blockFile is null. + * If blockFile is not null, the meta file will be named identically to + * the blockFile, but with a suffix like "_1234.meta". If the blockFile + * is present, we store only the meta file suffix. + */ Review comment: it would also make sense to copy this comment to the constructor parameters. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org