Here you can find the script which raises a segmentation fault :

http://pastebin.com/m1524b62f

To make it works you can apply the following patch :

--- script_with_error.slk    2008-06-02 18:30:23.000000000 +0200
+++ script_with_success.slk   2008-06-06 16:44:35.000000000 +0200
@@ -151,6 +151,9 @@
 set add table (set id=8, origin=201, id=137, fully qualified name = 
'public.t_137', comment='table 137');
 set add table (set id=8, origin=201, id=138, fully qualified name = 
'public.t_138', comment='table 138');
 set add table (set id=8, origin=201, id=139, fully qualified name = 
'public.t_139', comment='table 139');
+
+# creation set 9
+#
 create set (id=9, origin=201, comment='set number 9');
 set add table (set id=9, origin=201, id=140, fully qualified name = 
'public.t_140', comment='table 140');
 set add table (set id=9, origin=201, id=141, fully qualified name = 
'public.t_141', comment='table 141');
@@ -391,6 +394,10 @@
 set add table (set id=21, origin=201, id=364, fully qualified name = 
'public.t_364', comment='table 364');
 set add table (set id=21, origin=201, id=365, fully qualified name = 
'public.t_365', comment='table 365');
 set add table (set id=21, origin=201, id=366, fully qualified name = 
'public.t_366', comment='table 366');
+
+# creation du set 22
+#
+
 create set (id=22, origin=201, comment='set number 22');
 set add table (set id=22, origin=201, id=367, fully qualified name = 
'public.t_367', comment='table 367');
 set add table (set id=22, origin=201, id=368, fully qualified name = 
'public.t_368', comment='table 368');
@@ -410,6 +417,7 @@
 set add table (set id=22, origin=201, id=382, fully qualified name = 
'public.t_382', comment='table 382');
 set add table (set id=22, origin=201, id=383, fully qualified name = 
'public.t_383', comment='table 383');
 set add table (set id=22, origin=201, id=384, fully qualified name = 
'public.t_384', comment='table 384');
+
 create set (id=23, origin=201, comment='set number 23');
 set add table (set id=23, origin=201, id=385, fully qualified name = 
'public.t_385', comment='table 385');
 set add table (set id=23, origin=201, id=386, fully qualified name = 
'public.t_386', comment='table 386');
@@ -428,6 +436,9 @@
 set add table (set id=23, origin=201, id=399, fully qualified name = 
'public.t_399', comment='table 399');
 set add table (set id=23, origin=201, id=400, fully qualified name = 
'public.t_400', comment='table 400');
 set add table (set id=23, origin=201, id=401, fully qualified name = 
'public.t_401', comment='table 401');
+
+# creation set 24
+#
 create set (id=24, origin=201, comment='set number 24');
 set add table (set id=24, origin=201, id=402, fully qualified name = 
'public.t_402', comment='table 402');
 set add table (set id=24, origin=201, id=403, fully qualified name = 
'public.t_403', comment='table 403');
@@ -447,6 +458,9 @@
 set add table (set id=24, origin=201, id=417, fully qualified name = 
'public.t_417', comment='table 417');
 set add table (set id=24, origin=201, id=418, fully qualified name = 
'public.t_418', comment='table 418');
 set add table (set id=24, origin=201, id=419, fully qualified name = 
'public.t_419', comment='table 419');
+
+# creation set 25
+#
 create set (id=25, origin=201, comment='set number 25');
 set add table (set id=25, origin=201, id=420, fully qualified name = 
'public.t_420', comment='table 420');
 set add table (set id=25, origin=201, id=421, fully qualified name = 
'public.t_421', comment='table 421');


As you can see there's no much difference between them ...

Regards

Christopher Browne wrote:
> Cyril SCETBON <scetbon at echo.fr> writes:
>   
>> When I try to create a lot of set slonik dies with segmentation fault
>> message. The only way to succeed is to split the file containing the
>> create set statement and to try them one by one or two by two. When I
>> use strace on slonik it displays :
>>
>> read(3, "#--\n# Slony-I organizes tables i"..., 8192) = 8192
>> read(3, "d table (set id=5, origin=201, i"..., 8192) = 8192
>> read(3, ");\nset add table (set id=9, orig"..., 8192) = 8192
>> mmap(NULL, 18446744073709547520, PROT_READ|PROT_WRITE,
>> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = -1 ENOMEM (Cannot allocate memory)
>>
>> Is there a maximum number of lines ? a memory parameter to use with slonik ?
>>
>> thanks
>>     
>
> We're using Bison to generate the parser, and it normally doesn't
> present any particular fixed limits on how much data it can handle.
>
> I just ran a test run where I created 500 tables and then added them,
> in one fell swoop, to replication, using the sample script...
> Attached is a patch that may be applied to the sample script in the
> Slony-I source tree to get the same results.
>
> With 500 tables to set up and copy, even though they were empty, it
> took 452 seconds to apply the subscription.  (Cheap desktop PC :-).)
>
> I encountered no problems.  Might there be something odd about your
> platform where your OS defines stack size for programs to be rather
> small?  That doesn't make *much* sense; if such an effect were
> breaking slonik, then it ought to be breaking other things, like maybe
> your PostgreSQL instance!
>
> Here's an excerpt of the set creation slonik script:
>
> include </tmp/slonytest-temp.A24149/preamble.slonik>;
> create set (id=1, origin=1, comment='SLONTEST82 Tables and Sequences');
> set add table (id=1, set id=1, origin=1, fully qualified name='public.t1', comment='SLONTEST82 table public.t1');
> set add table (id=2, set id=1, origin=1, fully qualified name='public.t2', comment='SLONTEST82 table public.t2');
> set add table (id=3, set id=1, origin=1, fully qualified name='public.t3', comment='SLONTEST82 table public.t3');
> set add table (id=4, set id=1, origin=1, fully qualified name='public.t4', comment='SLONTEST82 table public.t4');
> set add table (id=5, set id=1, origin=1, fully qualified name='public.t5', comment='SLONTEST82 table public.t5');
> ...
> set add table (id=494, set id=1, origin=1, fully qualified name='public.t494', comment='SLONTEST82 table public.t494');
> set add table (id=495, set id=1, origin=1, fully qualified name='public.t495', comment='SLONTEST82 table public.t495');
> set add table (id=496, set id=1, origin=1, fully qualified name='public.t496', comment='SLONTEST82 table public.t496');
> set add table (id=497, set id=1, origin=1, fully qualified name='public.t497', comment='SLONTEST82 table public.t497');
> set add table (id=498, set id=1, origin=1, fully qualified name='public.t498', comment='SLONTEST82 table public.t498');
> set add table (id=499, set id=1, origin=1, fully qualified name='public.t499', comment='SLONTEST82 table public.t499');
> set add table (id=500, set id=1, origin=1, fully qualified name='public.t500', comment='SLONTEST82 table public.t500');
> set add sequence (id=1, set id=1, origin=1, fully qualified name='public.t1_id_seq', comment='SLONTEST82 sequence public.t1_id_seq');
> set add sequence (id=2, set id=1, origin=1, fully qualified name='public.t2_id_seq', comment='SLONTEST82 sequence public.t2_id_seq');
> set add sequence (id=3, set id=1, origin=1, fully qualified name='public.t3_id_seq', comment='SLONTEST82 sequence public.t3_id_seq');
> set add sequence (id=4, set id=1, origin=1, fully qualified name='public.t4_id_seq', comment='SLONTEST82 sequence public.t4_id_seq');
> set add sequence (id=5, set id=1, origin=1, fully qualified name='public.t5_id_seq', comment='SLONTEST82 sequence public.t5_id_seq');
> set add sequence (id=6, set id=1, origin=1, fully qualified name='public.t6_id_seq', comment='SLONTEST82 sequence public.t6_id_seq');
> set add sequence (id=7, set id=1, origin=1, fully qualified name='public.t7_id_seq', comment='SLONTEST82 sequence public.t7_id_seq');
> ...
> set add sequence (id=496, set id=1, origin=1, fully qualified name='public.t496_id_seq', comment='SLONTEST82 sequence public.t496_id_seq');
> set add sequence (id=497, set id=1, origin=1, fully qualified name='public.t497_id_seq', comment='SLONTEST82 sequence public.t497_id_seq');
> set add sequence (id=498, set id=1, origin=1, fully qualified name='public.t498_id_seq', comment='SLONTEST82 sequence public.t498_id_seq');
> set add sequence (id=499, set id=1, origin=1, fully qualified name='public.t499_id_seq', comment='SLONTEST82 sequence public.t499_id_seq');
> set add sequence (id=500, set id=1, origin=1, fully qualified name='public.t500_id_seq', comment='SLONTEST82 sequence public.t500_id_seq');
>
> Here's the CVS diff:
>
> chris at dba2:Slony-I/CMD/slony1-1.2/tools> cvs diff -u configure-replication.sh
> Index: configure-replication.sh
> ===================================================================
> RCS file: /home/cvsd/slony1/slony1-engine/tools/configure-replication.sh,v
> retrieving revision 1.1.2.4
> diff -c -u -r1.1.2.4 configure-replication.sh
> cvs diff: conflicting specifications of output style
> --- configure-replication.sh	6 Mar 2008 18:49:03 -0000	1.1.2.4
> +++ configure-replication.sh	6 Jun 2008 15:43:33 -0000
> @@ -6,6 +6,13 @@
>  NUMNODES=${NUMNODES:-"2"}
>  
>  # Defaults - origin node
> +DB1=db1
> +DB2=db2
> +HOST1=localhost
> +HOST2=localhost
> +PORT1=5882
> +PORT2=5882
> +
>  DB1=${DB1:-${PGDATABASE:-"slonytest"}}
>  HOST1=${HOST1:-`hostname`}
>  USER1=${USER1:-${PGUSER:-"slony"}}
> @@ -117,15 +124,18 @@
>   recurringemail recurringprint session shipto sic status tax
>   transactions translation vendor vendortax warehouse yearend"
>  
> +ALTTABLES1=""
> +ALTSEQUENCES1=""
> +for i in `seq 500`; do
> +   ALTTABLES1="$ALTTABLES1 t${i}"
> +   ALTSEQUENCES1="$ALTSEQUENCES1 t${i}_id_seq"
> +   psql -h $HOST1 -p $PORT1 -d $DB1 -c "create table t${i} (id serial primary key, data text not null unique);"
> +   psql -h $HOST2 -p $PORT2 -d $DB2 -c "create table t${i} (id serial primary key, data text not null unique);"
> +done
> +
>  for t in `echo $ALTTABLES1`; do
>    ALTTABLES="$ALTTABLES public.${t}"
>  done
> -  
> -ALTSEQUENCES1="acc_trans_entry_id_seq audittrail_entry_id_seq
> - custom_field_catalog_field_id_seq custom_table_catalog_table_id_seq
> - id inventory_entry_id_seq invoiceid jcitemsid orderitemsid
> - partscustomer_entry_id_seq partsvendor_entry_id_seq
> - session_session_id_seq shipto_entry_id_seq"
>  
>  for s in `echo $ALTSEQUENCES1`; do
>    ALTSEQUENCES="$ALTSEQUENCES public.${s}"
>
>   

-- 
Cyril SCETBON - Ingénieur bases de données
AUSY pour France Télécom - OPF/PORTAILS/DOP/HEBEX

Tél : +33 (0)4 97 12 87 60
Jabber : cscetbon at jabber.org
France Telecom - Orange
790 Avenue du Docteur Maurice Donat 
Bâtiment Marco Polo C2 - Bureau 202
06250 Mougins
France

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