In other words, your write amplification would increase from 30-50 for
normal LCS to 200-300 when fan-out changes to 100.
On 18/09/2018 14.54, Marcus Eriksson wrote:
problem would be that for every file you flush, you would recompact
all of L1 - files are flushed to L0, then compacted together
problem would be that for every file you flush, you would recompact all of
L1 - files are flushed to L0, then compacted together with all overlapping
files in L1.
On Tue, Sep 18, 2018 at 4:53 AM 健 戴 wrote:
> Hi,
>
> I have one table having 2T data saved in c* each node.
> And if using LCS, the d
Hi,
I have one table having 2T data saved in c* each node.
And if using LCS, the data will have 5 level:
L1: 160M * 10 = 1.6G
L2: 1.6G * 10 = 16G
L3: 16G * 10 = 160G
L4: 160G * 10 = 1.6T
L5: 1.6T * 10 = 16T
When I looking into the source code, I found an option: fanout_size.
The default value i
