On 10/17/15 12:13 PM, Andres Freund wrote:
On 2015-10-17 10:26:01 -0500, Jim Nasby wrote:
Except inserts *do* take a lot of locks, just not user-level locks.
Operations like finding a page to insert into, seeing if that page is in
shared buffers, loading the page into shared buffers, modifying a
On 2015-10-17 10:26:01 -0500, Jim Nasby wrote:
> Except inserts *do* take a lot of locks, just not user-level locks.
> Operations like finding a page to insert into, seeing if that page is in
> shared buffers, loading the page into shared buffers, modifying a shared
> buffer, getting the relation e
On 10/9/15 3:33 AM, Graeme B. Bell wrote:
I don't think inserts can cause contention on the server. Insert do not lock
tables during the transaction. You may have contention on sequence but it won't
vary with transaction size.
Perhaps there could be a trigger on inserts which creates some l
2015-10-17 15:29 GMT+02:00 Yves Dorfsman :
> On 2015-10-14 03:00, Albe Laurenz wrote:
> >
> > You are encountering "custom plans", introduced in 9.2.
> >
> > When a statement with parameters is executed, PostgreSQL will not only
> generate
> > a generic plan, but for the first 5 executions it will
On 2015-10-14 03:00, Albe Laurenz wrote:
>
> You are encountering "custom plans", introduced in 9.2.
>
> When a statement with parameters is executed, PostgreSQL will not only
> generate
> a generic plan, but for the first 5 executions it will substitute the
> arguments
> and generate and execu