> On Mar 10, 2017, at 3:32 PM, Simon Slavin wrote:
>
> Two different patterns of use. One is that the different threads/processes
> usually care about different rows (maybe in different tables). In that case,
> shared cache is of very little benefit. The other is when different
> threads/p
On 10 Mar 2017, at 9:34pm, Keith Medcalf wrote:
> You mean physical reads? I suppose this would be possible, as long as the
> working set of all your read queries are able to fit in the cache
> simultaneously. If not, you are likely to get more cache thrash with the
> cache being shared the
On 10 Mar 2017, at 9:34pm, Keith Medcalf wrote:
> You mean physical reads? I suppose this would be possible, as long as the
> working set of all your read queries are able to fit in the cache
> simultaneously. If not, you are likely to get more cache thrash with the
> cache being shared the
On Friday, 10 March, 2017 10:57, Jens Alfke wrote:
>> On Mar 9, 2017, at 7:55 AM, Keith Medcalf wrote:
>> Why are you using SHARED_CACHE since it does not sound like you have
>> memory constraints on cache size, which is the primary (only) reason you
>> would ever want to use shared cache since
> On Mar 9, 2017, at 7:55 AM, Keith Medcalf wrote:
>
> Why are you using SHARED_CACHE since it does not sound like you have memory
> constraints on cache size, which is the primary (only) reason you would ever
> want to use shared cache since the penalties for doing so are significant.
What
On Wednesday, 8 March, 2017 03:45, Qiu Xiafei wrote:
> SQLite provide a shared-cache mode
> (https://www.sqlite.org/sharedcache.html)
> which will help to reduce cache size among multiple connections within a
> process. But how to configure the size of the shared cache? I've tried
> PRAGMA cache_
Qiu Xiafei wrote:
> SQLite provide a shared-cache mode (https://www.sqlite.org/sharedcache.html)
> which will help to reduce cache size among multiple connections within a
> process. But how to configure the size of the shared cache?
There is not special shared cache; the shared-cache mode just sh
SQLite provide a shared-cache mode (https://www.sqlite.org/sharedcache.html)
which will help to reduce cache size among multiple connections within a
process. But how to configure the size of the shared cache? I've tried PRAGMA
cache_size = 536870912. But no matter how much space i offered, it seem
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