On Thu, Oct 29, 2009 at 01:20:12AM +0100, Holger Amann wrote: > Am 29.10.2009 um 01:00 schrieb Lukasz Czarnowski: > >I had the same experience with kernel 2.6.22.x-vs2.2.x and pgsql 8.1 > >- shmem is counted several times. > I played with the shared memory example shown at [1] and it seems, > that in general everything is working fine, except Postgres. > So, until someone is able to fix this, Linux vServer and Postgres -> > Don't do it! :( hmm, seems I'm still not understanding what the problem is here, will read the thread again, in the meanwhile, any hints are appreciated ... TIA, Herbert > guest1:/# /etc/init.d/postgresql-8.4 start > Starting PostgreSQL 8.4 database server: main. > guest1:/# ipcs > > ------ Shared Memory Segments -------- > key shmid owner perms bytes nattch status > > ------ Semaphore Arrays -------- > key semid owner perms nsems > > ------ Message Queues -------- > key msqid owner perms used-bytes messages > > guest1:/# ./shmserver > > (from another console) > guest1:~# ipcs > > ------ Shared Memory Segments -------- > key shmid owner perms bytes nattch status > 0x0000162e 65537 root 666 27 1 > > ------ Semaphore Arrays -------- > key semid owner perms nsems > > ------ Message Queues -------- > key msqid owner perms used-bytes messages > > guest1:~# ./shmclient > abcdefghijklmnopqrstuvwxyz > > q.e.d. > > [1] http://www.cs.cf.ac.uk/Dave/C/node27.html