Attached a part of the strace running the pgbench command for pg11
Also attached strace_10 for pg10.6.
Thanks
Il giorno lun 4 mar 2019 alle ore 15:22 Tom Lane <tgl@sss.pgh.pa.us> ha scritto:
Nicola Contu <nicola.contu@gmail.com> writes: > See attached perf report. The difference seems to be all in this line, but > not sure : > + 26.80% 0.00% 222 postmaster [kernel.kallsyms] > [k] system_call_fastpath
That would suggest that many more kernel calls are happening, which is something you could usefully investigate with strace, perhaps.
