Re: Effective compression ratio with minimal performance overhead
From: Mladen Gogala <gogala.mladen_at_gmail.com>
Date: Wed, 25 May 2022 08:50:35 -0400
Message-ID: <d29c2393-0bfb-ff22-2ae5-2f56682519ce_at_gmail.com>
Date: Wed, 25 May 2022 08:50:35 -0400
Message-ID: <d29c2393-0bfb-ff22-2ae5-2f56682519ce_at_gmail.com>
On 5/23/22 08:14, Ghassan Salem wrote:
> Hi
> Compression happens on the db nodes. That has been the case since the
> beginning and still is. As Johnathan said, decompression happens on
> the storage nodes when smart scan is done (and cpus are not overloaded
> as he mentioned). All this is done by software.
>
> Regards
Yup, you and Jonathan are right. I misread the paper. It says that decompression is happening on the storage nodes.
-- Mladen Gogala Database Consultant Tel: (347) 321-1217 https://dbwhisperer.wordpress.com -- http://www.freelists.org/webpage/oracle-lReceived on Wed May 25 2022 - 14:50:35 CEST