在OOW 2011 上着重介绍了Oracle Linux 6 的一些特性 包括:
Transcendent Memory – Cleancache
Compressed Page Cache (zcache)
Btrfs – Features
最引入瞩目的 当然还是Ksplice 这一在线升级Linux Kernel内核的特性:
Ksplice
● New feature of Oracle Linux
● Lets you install your important kernel updates with...
● No downtime
● No disruption
● No rebooting
● While applications are running
● Free with Oracle Linux Premier Support
Why Ksplice?
? New kernel updates come out all the time
? Important bugfixes and security updates
Installing updates is incredibly costly
? Service outage
? Administrator time/effort
Install updates with no downtime at all
? Improved availability
? Better security
? Reduced operational cost
? Sysadmins, take back your weekends!