Hi Justin, I've upgrade to 10.6 but the error still shows up: psql db@host as user => select version(); version
───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── PostgreSQL 10.6 (Ubuntu 10.6-1.pgdg16.04+1) on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu 5.4.0-6ubuntu1~16.04.10) 5.4.0 20160609, 64-bit (1 row) Time: 110.512 ms psql db@host as user => select <COLUMNS> from fa where client_id in (<IDS>) and datetime >= '2018/01/01' and ((dims ? 'p' and dimensions ? 'mcp') or (datasource in ('FA', 'GA'))) and not datasource = 'M' GROUP BY datasource, dims ->'ct', dimensions ->'mct', dims -> 'p', dims -> 'sp'; ERROR: XX000: dsa_allocate could not find 7 free pages CONTEXT: parallel worker LOCATION: dsa_allocate_extended, dsa.c:729 Time: 131400.831 ms (02:11.401) the above is execute with max_parallel_workers=8 If I set it to max_parallel_workers=0 I also get and my connection is being closed (but the server is alive): psql db@host as user => set max_parallel_workers=0; SET Time: 89.542 ms psql db@host as user => SELECT <QUERY>; FATAL: XX000: dsa_allocate could not find 7 free pages LOCATION: dsa_allocate_extended, dsa.c:729 SSL connection has been closed unexpectedly The connection to the server was lost. Attempting reset: Succeeded. Time: 200390.466 ms (03:20.390) -- regards, Jakub Glapa On Thu, Nov 22, 2018 at 5:10 PM Justin Pryzby <pry...@telsasoft.com> wrote: > On Wed, Nov 21, 2018 at 03:26:42PM +0100, Jakub Glapa wrote: > > Looks like my email didn't match the right thread: > > > https://www.postgresql.org/message-id/flat/CAMAYy4%2Bw3NTBM5JLWFi8twhWK4%3Dk_5L4nV5%2BbYDSPu8r4b97Zg%40mail.gmail.com > > Any chance to get some feedback on this? > > In the related thread, it looks like Thomas backpatched a fix to v10, and > so I > guess this should be resolved in 10.6, which was released couple weeks ago. > > https://www.postgresql.org/message-id/CAEepm%3D0QxoUSkFqYbvmxi2eNvvU6BkqH6fTOu4oOzc1MRAT4Dw%40mail.gmail.com > > Could you upgrade and check ? > > 38763d67784c6563d08dbea5c9f913fa174779b8 in master > > |commit ba20d392584cdecc2808fe936448d127f43f2c07 > |Author: Thomas Munro <tmu...@postgresql.org> > |Date: Thu Sep 20 15:52:39 2018 +1200 > | > | Fix segment_bins corruption in dsa.c. > > Justin >