Re: Long checkpoint woe


Neil Truby said:
"Obnoxio The Clown" <obnoxio@xxxxxxxxxxxxxxx> wrote in message
news:mailman.201.1143584365.18205.informix-list@xxxxxxxxxxx

And you still think the problem is in Informix?

To recap: because of LRU min and max settings the number of dirty pages
never gets much beyond 10,000. A checkpoint at this point will take ~10s
-
we see the dirty page copunt descend sloooooowwwwllllly from 10,000 to 0
at
about 1,000/s. 10s to write 20m - that's awful.

But the OS is taking 61 s to read then write 20M?

--
Bye now,
Obnoxio

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