The following issues have been fixed in this update.
The legacy DNS resolver now supports the sending of NFSv4 referrals (lists of NFS servers and exported NFS file systems) to Oracle Linux 6 clients. The user-space component in the
nfs-utils
package is distributed with Oracle Linux 6 Update 4. (Bug ID 14769650)A bug has been fixed that caused connections to hang when running SysBench benchmarks on MySQL with the thread pool enabled. (Bug ID 16363540)