For starters, what happens if two backends do this concurrently?
> I'm assuming here that a single backend process handles all queries from
a given client. In case of parallel queries, the master process will be
responsible for allocating the shared memory and not the workers. Please
let me know i
Souvik Bhattacherjee writes:
> I need to allocate shared memory in Postgres 11.0 outside the
> initialization phase. In order to achieve this I have done the following:
> - during a particular query, where I need to allocate shared memory (which
> is a function of the sizes of the tables in the qu
Hi,
I need to allocate shared memory in Postgres 11.0 outside the
initialization phase. In order to achieve this I have done the following:
- increased the amount of shared memory by increasing the value of size in
CreateSharedMemoryAndSemaphores (int port) in ipci.c. I have made sure that
the am
