[rrd-developers] rfc: later caching

[Sebastian Harl]

Hi Kevin,

On Fri, Apr 17, 2009 at 07:34:10AM -0500, kevin brintnall wrote:
>  - on the first updatev, take an in-memory copy of the live_head and *_prep
>    - no need to do it for update
>    - CON: when the daemon starts up, there is heavy read load

Uhm, I don't get that. Why would you get heavy read load on startup if
the header is not read until receiving the first updatev? What am I
missing?

On a related note: How much overhead (in memory usage) do you expect by
caching the file headers?

Cheers,
Sebastian

-- 
Sebastian "tokkee" Harl +++ GnuPG-ID: 0x8501C7FC +++ http://tokkee.org/

Those who would give up Essential Liberty to purchase a little Temporary
Safety, deserve neither Liberty nor Safety.         -- Benjamin Franklin

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