Re: [HACKERS] Shared Memory hash tables only at startup

2017-05-02 Thread Thomas Munro
On Tue, May 2, 2017 at 11:54 PM, hariprasath nallasamy wrote: > Hi > It is clear that all of the shared memory hash tables are created during > startup using ShmemInitHash() > > (In practice, all creations are done in the postmaster > process; child processes should always be attaching to existi

Re: [HACKERS] Shared Memory hash tables only at startup

2017-05-02 Thread Tom Lane
hariprasath nallasamy writes: > *(In practice, all creations are done in the postmasterprocess; child > processes should always be attaching to existing tables.)* Yeah ... > Is there any specific reason to do so or my understanding was wrong(we can > create shared memory hash table at run time t