[Info-vax] Apache + mod_php performance

[Lawrence D'Oliveiro]

On Fri, 27 Sep 2024 22:13:09 -0400, Arne Vajhøj wrote:

> On 9/27/2024 10:01 PM, Lawrence D'Oliveiro wrote:
>>
>> On Fri, 27 Sep 2024 21:58:57 -0400, Arne Vajhøj wrote:
>>>
>>> On 9/27/2024 9:54 PM, Lawrence D'Oliveiro wrote:
>>>>
>>>> On Fri, 27 Sep 2024 20:13:01 -0400, Arne Vajhøj wrote:
>>>>
>>>>> But running application and database on same system is not an option
>>>>> if it is a high volume solution ...
>>>>
>>>> Of course it’s an option. Performance is a tradeoff between
>>>> conflicting system parameters.
>>>
>>> If volume requires sharding then ...
>> 
>> “Sharding” means “split across multiple physical persistent storage”.
> 
> It means that you have N active database servers each with 1/N of the
> data (possible with replication to N or 2N passive database servers).

Quite unnecessary, given that the bottleneck is the usually the latency 
and bandwidth of the persistent storage, not the CPU.

Particularly since your network connections introduce latency and 
bandwidth limitations of their own.

See what I mean about “tradeoffs”?