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Zhe Zhang updated HDFS-9576: ---------------------------- Attachment: HDFS-9576.04.patch Thanks Xiao for the good catch! Updating the patch to address. Also renaming {{readScope}} to {{scope}} to be consistent with other places using temporary scope variables. > HTrace: collect position/length information on read operations > -------------------------------------------------------------- > > Key: HDFS-9576 > URL: https://issues.apache.org/jira/browse/HDFS-9576 > Project: Hadoop HDFS > Issue Type: Improvement > Components: hdfs-client, tracing > Affects Versions: 2.7.1 > Reporter: Zhe Zhang > Assignee: Zhe Zhang > Attachments: HDFS-9576.00.patch, HDFS-9576.01.patch, > HDFS-9576.02.patch, HDFS-9576.03.patch, HDFS-9576.04.patch > > > HTrace currently collects the path of each read operation (both stateful and > position reads). To better understand applications' I/O behavior, it is also > useful to track the position and length of read operations. -- This message was sent by Atlassian JIRA (v6.3.4#6332)