[ https://issues.apache.org/jira/browse/HADOOP-16050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steve Loughran updated HADOOP-16050: ------------------------------------ Issue Type: Sub-task (was: Bug) Parent: HADOOP-15620 > Support setting cipher suites for s3a file system > ------------------------------------------------- > > Key: HADOOP-16050 > URL: https://issues.apache.org/jira/browse/HADOOP-16050 > Project: Hadoop Common > Issue Type: Sub-task > Affects Versions: 2.9.1 > Reporter: Justin Uang > Priority: Major > Attachments: Screen Shot 2019-01-17 at 2.57.06 PM.png > > > We have found that when running the S3AFileSystem, it picks GCM as the ssl > cipher suite. Unfortunately this is well known to be slow on java 8: > [https://stackoverflow.com/questions/25992131/slow-aes-gcm-encryption-and-decryption-with-java-8u20.] > > In practice we have seen that it can take well over 50% of our CPU time in > spark workflows. We should add an option to set the list of cipher suites we > would like to use. !Screen Shot 2019-01-17 at 2.57.06 PM.png! -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org