On 08/03/2018 12:55 PM, Simon Slavin wrote:
On 3 Aug 2018, at 8:36pm, Shevek wrote:
We are running a 100Gb sqlite database, which we mmap entirely into RAM. We are
having trouble with parts of the disk file being evicted from RAM during
periods of low activity causing slow responses,
On Aug 3, 2018, at 1:36 PM, Shevek wrote:
>
> the database is read-only
In that case, I’d just create a :memory: DB on application startup, attach to
the disk copy, use the INSERT FROM … SELECT pattern [1] to clone the data
content within a single transaction, create the indexes, and detach
On 3 Aug 2018, at 8:36pm, Shevek wrote:
> We are running a 100Gb sqlite database, which we mmap entirely into RAM. We
> are having trouble with parts of the disk file being evicted from RAM during
> periods of low activity causing slow responses, particularly before 9am. Has
> anybody played
Hi,
We are running a 100Gb sqlite database, which we mmap entirely into RAM.
We are having trouble with parts of the disk file being evicted from
RAM during periods of low activity causing slow responses, particularly
before 9am. Has anybody played with mlock and/or madvise within the
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