[ https://issues.apache.org/jira/browse/HDFS-375?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tsz Wo (Nicholas), SZE resolved HDFS-375. ----------------------------------------- Resolution: Not A Problem I believe this issue went stale. Closing. > DFSClient cpu overhead is too high > ---------------------------------- > > Key: HDFS-375 > URL: https://issues.apache.org/jira/browse/HDFS-375 > Project: Hadoop HDFS > Issue Type: Improvement > Reporter: Runping Qi > > When we do dfs throughput test using hadoop dfs -cat, we have observed that > the client side cpu usage is very high, 3 to five times that of a data node > serving the file. > Before 0.18, the data node cpu usage was equally high, and this problem is > fixed since 0.18. However, the client side problem still exists. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.