Josh Berkus <j...@agliodbs.com> wrote: >> Does the PostgreSQL community have a problem with recent >> kernels, particularly with respect to the storage, filesystem or >> memory management layers?
> How about "don't add major IO behavior changes with no > backwards-compatibility switches"? ;-) I notice, Josh, that you didn't mention the problems many people have run into with Transparent Huge Page defrag and with NUMA access. Is that because there *are* configuration options that allow people to get decent performance once the issue is diagnosed? It seems like maybe there could be a better way to give a heads-up on hazards in a new kernel to the database world, but I don't know quite what that would be. For all I know, it is already available if you know where to look. > Seriously, one thing I'd like to get out of Collab would be a > reasonable regimen for testing database performance on Linux > kernels. ... or perhaps you figure this is what would bring such issues to the community's attention before people are bitten in production environments? -- Kevin Grittner EDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers