read() and write() with 2GB buffers are truncated on RHEL
Issue
- The implementation of write() and read() in the Linux kernel prevents one from writing/reading >2GB at a time.
- read()/write() system calls limit buffers to (2^31 - pagesize) (2147479552 bytes on x86).
Environment
- Red Hat Enterprise Linux 5, 6
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.
