[ https://issues.apache.org/jira/browse/HADOOP-10778?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tsz Wo Nicholas Sze updated HADOOP-10778: ----------------------------------------- Description: From the benchmark post in [this comment|https://issues.apache.org/jira/browse/HDFS-6560?focusedCommentId=14044060&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14044060], NativeCrc32 is slower than java.util.zip.CRC32 for Java 7 and above when bytesPerChecksum > 512. (was: From the branch mark post in [this comment|https://issues.apache.org/jira/browse/HDFS-6560?focusedCommentId=14044060&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14044060], NativeCrc32 is slower than java.util.zip.CRC32 for Java 7 and above when bytesPerChecksum > 512.) > Use NativeCrc32 only if it is faster > ------------------------------------ > > Key: HADOOP-10778 > URL: https://issues.apache.org/jira/browse/HADOOP-10778 > Project: Hadoop Common > Issue Type: Improvement > Components: util > Reporter: Tsz Wo Nicholas Sze > Assignee: Tsz Wo Nicholas Sze > Attachments: c10778_20140702.patch > > > From the benchmark post in [this > comment|https://issues.apache.org/jira/browse/HDFS-6560?focusedCommentId=14044060&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14044060], > NativeCrc32 is slower than java.util.zip.CRC32 for Java 7 and above when > bytesPerChecksum > 512. -- This message was sent by Atlassian JIRA (v6.2#6252)