[ https://issues.apache.org/jira/browse/CASSANDRA-1714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pavel Yaskevich updated CASSANDRA-1714: --------------------------------------- Attachment: CASSANDRA-1714-v2.patch branch: trunk (latest commit d8c4f7ce5fb2b5d2d1e75aee99426eec77ceadc2) benchmark using stress.py (-S 8192 -n 100000): writes are equal, reads are 16 secs. faster (250 comparing to 266) > zero-copy reads > --------------- > > Key: CASSANDRA-1714 > URL: https://issues.apache.org/jira/browse/CASSANDRA-1714 > Project: Cassandra > Issue Type: Improvement > Components: Core > Reporter: Jonathan Ellis > Assignee: Pavel Yaskevich > Fix For: 0.7.1 > > Attachments: CASSANDRA-1714-v2.patch, CASSANDRA-1714.patch, > zerocopy.txt > > Original Estimate: 32h > Remaining Estimate: 32h > > Since we are already using mmap'd ByteBuffers in MappedFileDataInput we > should be able to do zero-copy reads (via buffer.slice()), which would give > us better performance than CASSANDRA-1651 without having to worry about > buffer management. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.