On Mon, September 8, 2014 18:02, Alvaro Herrera wrote:
> Here's version 18. I have renamed it: These are now BRIN indexes.
>
I get into a BadArgument after:
$ cat crash.sql
-- drop table if exists t_100_000_000 cascade;
create table t_100_000_000 as select cast(i as integer) from
generate_series(1, 100000000) as f(i) ;
-- drop index if exists t_100_000_000_i_brin_idx;
create index t_100_000_000_i_brin_idx on t_100_000_000 using
brin(i); select
pg_size_pretty(pg_relation_size('t_100_000_000_i_brin_idx'));
select i from t_100_000_000 where i between 10000 and 1009999; -- ( + 999999 )
Log file says:
TRAP: BadArgument("!(((context) != ((void *)0) && (((((const
Node*)((context)))->type) == T_AllocSetContext))))", File:
"mcxt.c", Line: 752)
2014-09-08 19:54:46.071 CEST 30151 LOG: server process (PID 30336) was
terminated by signal 6: Aborted
2014-09-08 19:54:46.071 CEST 30151 DETAIL: Failed process was running: select
i from t_100_000_000 where i between 10000
and 1009999;
The crash is caused by the last select statement; the table and index create
are OK.
it only happens with a largish table; small tables are OK.
Linux / Centos / 32 GB.
PostgreSQL 9.5devel_minmax_20140908_1809_0640c1bfc091 on
x86_64-unknown-linux-gnu, compiled by gcc (GCC) 4.9.1, 64-bit
setting | current_setting
--------------------------+--------------------------------------------
autovacuum | off
port | 6444
shared_buffers | 100MB
effective_cache_size | 4GB
work_mem | 10MB
maintenance_work_mem | 1GB
checkpoint_segments | 20
data_checksums | on
server_version | 9.5devel_minmax_20140908_1809_0640c1bfc091
pg_postmaster_start_time | 2014-09-08 19:53 (uptime: 0d 0h 6m 54s)
'--prefix=/var/data1/pg_stuff/pg_installations/pgsql.minmax'
'--with-pgport=6444'
'--bindir=/var/data1/pg_stuff/pg_installations/pgsql.minmax/bin'
'--libdir=/var/data1/pg_stuff/pg_installations/pgsql.minmax/lib'
'--enable-depend' '--enable-cassert' '--enable-debug'
'--with-perl' '--with-openssl' '--with-libxml'
'--with-extra-version=_minmax_20140908_1809_0640c1bfc091'
pgpatches/0095/minmax/20140908/minmax-18.patch
thanks,
Erik Rijkers
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