Eric Smith wrote:
> I'd like to show it to the forum -- is it possible to send emails with
> attachments here? It's a 60kb jpg file.
God bless the gnuplot developers, who provided an ascii output option:
time (minutes) to insert 2m records
10 ++----------+----------+-----------+----------+-----------+---------++
+ + + + A + + +
9 ++..................................................AAAA............++
| AAA AAAAA |
8 ++..........................................AAA..AAAAA..............++
| A AAAA |
7 ++.....................A.............A..AAAAAAA.....................++
| AAAA |
6 ++..................AA...........A.AAAAA............................++
| AAAAAAA |
5 ++....................A...AAAAAA....................................++
4 ++.........AA.AA..AAAAA.AAAAA.......................................++
| A AAAAAAA AA |
3 ++............AAAA..................................................++
| AAA A A |
2 ++.........AA...........................................AAAAAAAA....++
| AA |
1 ++...AAAAAAA........................................................++
AAAAAAA + + + + + +
0 ++----------+----------+-----------+----------+-----------+---------++
0 100 200 300 400 500 600
millions of existing records
You can see how we ran out of RAM at 100m records. From 100m to 200m
there was a cron job running that was causing the disk cache to get
thrown out; I killed it at around 200m records.
You can see the linear progression quite clearly.
At ~480m records I halted the process, built user indices, and restarted.
And voila, we're back down in happy-land.
Eric
--
Eric A. Smith
The people can always be brought to the bidding of the leaders. That
is easy. All you have to do is tell them they are being attacked and
denounce the pacifists for lack of patriotism and exposing the
country to danger. It works the same way in any country.
-- Herman Goering, at the Nuremberg trials
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