Oracle Linux is compatible with Red Hat Enterprise
Linux, though Oracle has its own kernel called the Unbreakable
Enterprise Kernel, which debuted at OpenWorld in 2010. According to
Screven, Oracle's kernel is 75 percent faster than Red Hat's.
Oracle is now updating that kernel to version 2, delivering even
more performance thanks to an improved scheduler for high thread
count applications like Java. The Unbreakable Enterprise Kernel 2
release also provides transmit packet steering across CPUs, which
Screven said delivers lower network latency. There is also a
virtual switch that enables VLAN isolation as well as Quality of
Service (QoS) and monitoring.
The new kernel also provides Linux containers, which are similar
to the Solaris containers, for virtualization isolation.
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