-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 12/11/2014 01:11 PM, Evgeniy Shishkin wrote: > >> On 11 Dec 2014, at 15:02, Andrea Suisani <sickpig@xxxxxxxxxxxx> >> wrote: >> >> On 12/10/2014 11:44 AM, Maila Fatticcioni wrote: >>> 2- I would like to use the two SDD to store the wal file. Do >>> you think it is useful or how should I use them? >> >> I definitely would give it a try. >> > > > I don't understand the logic behind using drives, which are best > for random io, for sequent io workloads. > > Better use 10k sas with BBU raid for wal, money wise. > > > Would you mind to explain me better why you do suggest me to use the sas raid for wal please? Thanks, M. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlSJkokACgkQi2q3wPb3FcOOZQCgrhy3sOP3Jds1eGlPqjSW+GhM xFIAn3YbZgEFAlwTC+SX7GG2My0pElys =Bsn7 -----END PGP SIGNATURE----- -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance