Hi Justin I'm seeing dsa_allocate on two different servers. One is virtualized with VMWare the other is bare metal.
ubuntu@db1:~$ grep dsa_allocate /var/log/postgresql/postgresql-11-main.log 2019-02-03 17:03:03 CET:192.168.10.83(48336):foo@bar:[27979]: FATAL: dsa_allocate could not find 7 free pages 2019-02-05 17:05:12 CET:192.168.10.83(38138):foo@bar:[2725]: FATAL: dsa_allocate could not find 49 free pages 2019-02-06 09:04:18 CET::@:[22120]: FATAL: dsa_allocate could not find 13 free pages 2019-02-06 09:04:18 CET:192.168.10.83(55740):foo@bar:[21725]: ERROR: dsa_allocate could not find 13 free pages ubuntu@db1:~$ sudo dmidecode -s system-product-name VMware Virtual Platform ---------------------------------- ubuntu@db2:~$ grep dsa_allocate /var/log/postgresql/postgresql-11-main2.log 2019-02-03 07:45:45 CET::@:[28592]: FATAL: dsa_allocate could not find 25 free pages 2019-02-03 07:45:45 CET:127.0.0.1(41920):foo1@bar:[27320]: ERROR: dsa_allocate could not find 25 free pages 2019-02-03 07:46:03 CET:127.0.0.1(41920):foo1@bar:[27320]: FATAL: dsa_allocate could not find 25 free pages 2019-02-04 11:56:28 CET::@:[31713]: FATAL: dsa_allocate could not find 7 free pages 2019-02-04 11:56:28 CET:127.0.0.1(41950):foo1@bar:[30465]: ERROR: dsa_allocate could not find 7 free pages 2019-02-04 11:57:59 CET::@:[31899]: FATAL: dsa_allocate could not find 7 free pages 2019-02-04 11:57:59 CET:127.0.0.1(44096):foo1@bar:[31839]: ERROR: dsa_allocate could not find 7 free pages ubuntu@db2:~$ sudo dmidecode -s system-product-name ProLiant DL380 Gen9 -- regards, pozdrawiam, Jakub Glapa On Wed, Feb 6, 2019 at 6:19 PM Justin Pryzby <pry...@telsasoft.com> wrote: > On Wed, Feb 06, 2019 at 04:22:12PM +1100, Thomas Munro wrote: > > Can anyone else who has hit this comment on any virtualisation they > > might be using? > > I don't think most of these people are on -hackers (one of the original > reports > was on -performance) so I'm copying them now. > > Could you let us know which dsa_* error you were seeing, whether or not you > were running postgres under virtual environment, and (if so) which VM > hypervisor? > > Thanks, > Justin > > > https://www.postgresql.org/message-id/flat/CAMAYy4%2Bw3NTBM5JLWFi8twhWK4%3Dk_5L4nV5%2BbYDSPu8r4b97Zg%40mail.gmail.com > > https://www.postgresql.org/message-id/flat/CAEepm%3D0aPq2yEy39gEqVK2m_Qi6jJdy96ysHGJ6VSHOZFz%2Bxbg%40mail.gmail.com#e02bee0220b422fe91a3383916107504 > > https://www.postgresql.org/message-id/20181231221734.GB25379%40telsasoft.com >
