Re: [HACKERS] test_fsync open_sync test

2011-01-18 Thread Bruce Momjian
Greg Smith wrote: > Bruce Momjian wrote: > > Is there a value to this test_fsync test? > > > > Compare open_sync with different sizes: > > (This is designed to compare the cost of one large > > sync'ed write and two smaller sync'ed writes.) > > open_sync 16k write

Re: [HACKERS] test_fsync open_sync test

2011-01-18 Thread Bruce Momjian
Greg Smith wrote: > Bruce Momjian wrote: > > Is there a value to this test_fsync test? > > > > Compare open_sync with different sizes: > > (This is designed to compare the cost of one large > > sync'ed write and two smaller sync'ed writes.) > > open_sync 16k write

Re: [HACKERS] test_fsync open_sync test

2011-01-17 Thread Greg Smith
Bruce Momjian wrote: Is there a value to this test_fsync test? Compare open_sync with different sizes: (This is designed to compare the cost of one large sync'ed write and two smaller sync'ed writes.) open_sync 16k write 242.563 ops/sec