Gregory Stark <stark@xxxxxxxxxxxxxxxx> writes: > Tom Lane <tgl@xxxxxxxxxxxxx> writes: >> Ugh. So apparently, we actually need to special-case Solaris to not >> believe that posix_fadvise works, or we'll waste cycles uselessly >> calling a do-nothing function. Thanks, Sun. > Do we? Or do we just document that setting effective_cache_size on Solaris > won't help? I assume you meant effective_io_concurrency. We'd still need a special case because the default is currently hard-wired at 1, not 0, if configure thinks the function exists. Also there's a posix_fadvise call in xlog.c that that parameter doesn't control anyhow. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
