[ https://issues.apache.org/jira/browse/ARROW-2427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Antoine Pitrou reassigned ARROW-2427: ------------------------------------- Assignee: Antoine Pitrou > [C++] ReadAt implementations suboptimal > --------------------------------------- > > Key: ARROW-2427 > URL: https://issues.apache.org/jira/browse/ARROW-2427 > Project: Apache Arrow > Issue Type: Improvement > Components: C++ > Affects Versions: 0.9.0 > Reporter: Antoine Pitrou > Assignee: Antoine Pitrou > Priority: Major > Labels: pull-request-available > Fix For: 0.10.0 > > > The {{ReadAt}} implementations for at least {{OSFile}} and > {{MemoryMappedFile}} take the file lock and seek. They could instead read > directly from the given offset, allowing concurrent I/O from multiple threads. -- This message was sent by Atlassian JIRA (v7.6.3#76005)