Hi,
I guess this is only reliability, since the read failures will be
corrected
but also reported, so you have a possibility to change the memory that is bad,
Without ECC you get garbage or read failures (SIG 11 e.g.) and your node
will be corrupted or down.
Christian
On Nov 30, 2010, at 5:31 AM, Hari Sreekumar wrote:
> Hi,
>
> I read recently that ECC memory is better for HBase/Hadoop. But isn't ECC
> memory slightly slower than normal memory? How much extra reliability does
> ECC provide? Has anyone done a comparison of ECC vs normal memory stress
> test of HBase or hadoop in general? It also costs more. Is it worth it?
>
> Thanks,
> Hari
