Hi all,
By mapping the WAL files by each backend in to its address
space using "mmap" system call , there will be big
improvements in performance from the following point of view:
1. Each backend directly writes in to the address
space which is obtained by
I have just completed the functional testing the WAL using mmap , it is
working fine, I have tested by commenting out the "CreateCheckPoint "
functionality so that
when i kill the postgres and restart it will redo all the records from the
WAL log file which
is updated using m