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Posted to common-dev@hadoop.apache.org by "Sahil Takiar (JIRA)" <ji...@apache.org> on 2019/06/13 19:38:00 UTC
[jira] [Created] (HADOOP-16371) Option to disable GCM for SSL
connections when running on Java 8
Sahil Takiar created HADOOP-16371:
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Summary: Option to disable GCM for SSL connections when running on Java 8
Key: HADOOP-16371
URL: https://issues.apache.org/jira/browse/HADOOP-16371
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/s3
Reporter: Sahil Takiar
Assignee: Sahil Takiar
This was the original objective of HADOOP-16050. HADOOP-16050 was changed to mimic HADOOP-15669 and added (or attempted to add) support for Wildfly-OpenSSL in S3A.
Due to the number of issues have seen with S3A + WildFly OpenSSL (see HADOOP-16346), HADOOP-16050 was reverted.
As shown in the description of HADOOP-16050, and the analysis done in HADOOP-15669, GCM has major performance issues when running on Java 8. Removing it from the list of available ciphers can drastically improve performance, perhaps not as much as using OpenSSL, but still a considerable amount.
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