Halo postgis users,
I found that this query:
UPDATE table SET the_geom500=simplify(the_geom,500);
is crashing postgres database on 2 GB table. On smaller table everything
is OK.
I have tested this on 2 Debian Etch stable computers (postgresql and
postgis from repositories).
after some 5 minutes I always get
server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
The connection to the server was lost. Attempting reset: Failed.
in log there is
2007-10-15 21:08:47 CEST LOG: server process (PID 5234) was terminated
by signal 11
2007-10-15 21:08:47 CEST LOG: terminating any other active server processes
2007-10-15 21:08:47 CEST LOG: all server processes terminated;
reinitializing
2007-10-15 21:08:47 CEST FATAL: the database system is starting up
2007-10-15 21:08:47 CEST LOG: database system was interrupted at
2007-10-15 21:08:40 CEST
2007-10-15 21:08:47 CEST LOG: checkpoint record is at 1/5BCE111C
2007-10-15 21:08:47 CEST LOG: redo record is at 1/5B546840; undo record
is at 0/0; shutdown FALSE
2007-10-15 21:08:47 CEST LOG: next transaction ID: 45777; next OID: 131584
2007-10-15 21:08:47 CEST LOG: next MultiXactId: 1; next MultiXactOffset: 0
2007-10-15 21:08:47 CEST LOG: database system was not properly shut
down; automatic recovery in progress
2007-10-15 21:08:47 CEST LOG: redo starts at 1/5B546840
2007-10-15 21:08:50 CEST LOG: invalid magic number 0000 in log file 1,
segment 98, offset 15826944
2007-10-15 21:08:50 CEST LOG: redo done at 1/62F17F90
2007-10-15 21:08:55 CEST LOG: database system is ready
2007-10-15 21:08:55 CEST LOG: transaction ID wrap limit is 2147484146,
limited by database "postgres"
Does anybody knows what is going on?
thanks Ivan
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