[ https://issues.apache.org/jira/browse/HADOOP-15033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16322053#comment-16322053 ]
Hudson commented on HADOOP-15033: --------------------------------- SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13481 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/13481/]) HADOOP-15033. Use java.util.zip.CRC32C for Java 9 and above Contributed (stevel: rev 2e0a451a8dd64ccd7199b2b435e1b6c704a9d3ae) * (edit) hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/DataChecksum.java * (edit) hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/Crc32PerformanceTest.java * (edit) hadoop-project/pom.xml * (edit) hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Shell.java * (edit) hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestShell.java > Use java.util.zip.CRC32C for Java 9 and above > --------------------------------------------- > > Key: HADOOP-15033 > URL: https://issues.apache.org/jira/browse/HADOOP-15033 > Project: Hadoop Common > Issue Type: Improvement > Components: performance, util > Affects Versions: 3.0.0 > Reporter: Dmitry Chuyko > Assignee: Dmitry Chuyko > Labels: Java9, common, jdk9 > Fix For: 3.1.0 > > Attachments: HADOOP-15033.001.patch, HADOOP-15033.001.patch, > HADOOP-15033.002.patch, HADOOP-15033.003.patch, HADOOP-15033.003.patch, > HADOOP-15033.004.patch, HADOOP-15033.005.diff, HADOOP-15033.005.diff, > HADOOP-15033.005.diff, HADOOP-15033.005.patch, HADOOP-15033.006.patch, > HADOOP-15033.007.patch, HADOOP-15033.007.patch, HADOOP-15033.008.patch, > HADOOP-15033.009.patch, HADOOP-15033.009.patch, HADOOP-15033.009.patch, > HADOOP-15033.009.patch, HADOOP-15033.009.patch, HADOOP-15033.009.patch, > HADOOP-15033.009.patch, HADOOP-15033.010.patch > > > java.util.zip.CRC32C implementation is available since Java 9. > https://docs.oracle.com/javase/9/docs/api/java/util/zip/CRC32C.html > Platform specific assembler intrinsics make it more effective than any pure > Java implementation. > Hadoop is compiled against Java 8 but class constructor may be accessible > with method handle on 9 to instances implementing Checksum in runtime. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org