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Subject [GitHub] [cassandra] mulugetam opened a new pull request #309: Adding direct IO support for the read path.
Date Wed, 10 Apr 2019 23:35:00 GMT
mulugetam opened a new pull request #309: Adding direct IO support for the read path.
URL: https://github.com/apache/cassandra/pull/309
 
 
   This patch adds direct IO support for the read path using JDK-10+ API. The feature is optional
and can be enabled via the enable_direct_io_for_read_path flag. 
   
   A Cassandra stress test we conducted using the insanity schema showed a throughput gain
of up to 60% on flash drives.
   
   Ref and discussion is here: https://issues.apache.org/jira/browse/CASSANDRA-14466

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