We are currently building a cluster based on CDH4.2 (HBase 0.94.2). We are trying to decide whether to use a 3.8 kernel or stick with our current 3.2 kernel. Does anyone have operational experience with either kernel version and HBase that indicates to a version preference? Are there specific recommended kernel tuning params in either kernel version that we should consider?
Any advice appreciated. -Mike Ellery
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