Re: TRAP: FailedAssertion("!(TransactionIdPrecedesOrEquals

2017-12-19 Thread Michael Paquier
On Wed, Dec 20, 2017 at 3:33 PM, Erik Rijkers wrote: > (logical replication does the initial syncing of the instances one by one > (sequentially) so it isn't as busy as expected; it just takes a long time) This is quite different then. I thought that you meant physical replication with a set of c

Re: TRAP: FailedAssertion("!(TransactionIdPrecedesOrEquals

2017-12-19 Thread Erik Rijkers
On 2017-12-20 06:27, Michael Paquier wrote: On Wed, Dec 20, 2017 at 7:46 AM, Erik Rijkers wrote: TRAP: FailedAssertion("!(TransactionIdPrecedesOrEquals(safeXid, snap->xmin))", File: "snapbuild.c", Line: 580) Sorry, that was probably too terse, I should explai

Re: TRAP: FailedAssertion("!(TransactionIdPrecedesOrEquals

2017-12-19 Thread Michael Paquier
On Wed, Dec 20, 2017 at 7:46 AM, Erik Rijkers wrote: > Sorry, that was probably too terse, I should explain that a little. > > After initing 50 instances, I set up and run a pgbench session in the master > session; the pgbench lines are: > > init: pgbench --port=6515 --quiet --initialize --scale

Re: TRAP: FailedAssertion("!(TransactionIdPrecedesOrEquals

2017-12-19 Thread Erik Rijkers
On 2017-12-19 23:35, Erik Rijkers wrote: I saw this just now: TRAP: FailedAssertion("!(TransactionIdPrecedesOrEquals(safeXid, snap->xmin))", File: "snapbuild.c", Line: 580) while running 50 cascading instances on a single machine. Sorry, that was probably too terse,

TRAP: FailedAssertion("!(TransactionIdPrecedesOrEquals

2017-12-19 Thread Erik Rijkers
I saw this just now: TRAP: FailedAssertion("!(TransactionIdPrecedesOrEquals(safeXid, snap->xmin))", File: "snapbuild.c", Line: 580) while running 50 cascading instances on a single machine. select version(): PostgreSQL 11devel_HEAD_20171219_2158_7d3583ad9ae5 on x86_64