Re: [HACKERS] Serialization errors in Postgres 9.4.0

2015-06-25 Thread Tom Lane
BRUSSER Michael writes: > Some time ago we upgraded from v. 8.4.4 to 9.4.0 and we are seeing errors in > some regression tests. > LOCATION: exec_simple_query, postgres.c:887 > ERROR: 40001: could not serialize access due to read/write dependencies > among transactions 9.1 substantially tighte

Re: [HACKERS] Serialization errors in Postgres 9.4.0

2015-06-25 Thread David Fetter
On Thu, Jun 25, 2015 at 04:02:33PM +, BRUSSER Michael wrote: > Some time ago we upgraded from v. 8.4.4 to 9.4.0 and we are seeing errors in > some regression tests. > > LOCATION: exec_simple_query, postgres.c:887 > ERROR: 40001: could not serialize access due to read/write dependencies > a

[HACKERS] Serialization errors in Postgres 9.4.0

2015-06-25 Thread BRUSSER Michael
Some time ago we upgraded from v. 8.4.4 to 9.4.0 and we are seeing errors in some regression tests. LOCATION: exec_simple_query, postgres.c:887 ERROR: 40001: could not serialize access due to read/write dependencies among transactions Detail can be one of these: DETAIL: Reason code: Cance