Hi, Is there any existing work that leveraging operating system's page cache for swift? like many other parallel file systems, lustre, the IO is cached in buffer and call is returned immediately to user space. Best, Jialin -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20171006/a4589e24/attachment.html>