尝试加大share buffer时，超过1G，就会无法启动postgresql
抛错日志如下。。
SPI TupTable: 8192 total in 1 blocks; 6824 free (0 chunks); 1368 used
SPI TupTable: 8192 total in 1 blocks; 6824 free (0 chunks); 1368 used
SPI TupTable: 8192 total in 1 blocks; 6824 free (0 chunks); 1368 used
MessageContext: 24576 total in 2 blocks; 19128 free (6 chunks); 5448 used
Operator class cache: 8192 total in 1 blocks; 4872 free (0 chunks); 3320 used
smgr relation table: 8192 total in 1 blocks; 760 free (0 chunks); 7432 used
TransactionAbortContext: 32768 total in 1 blocks; 32752 free (0 chunks); 16 used
Portal hash: 8192 total in 1 blocks; 3912 free (0 chunks); 4280 used
PortalMemory: 8192 total in 1 blocks; 7768 free (1 chunks); 424 used
PortalHeapMemory: 7168 total in 3 blocks; 1640 free (0 chunks); 5528 used
ExecutorState: 32832 total in 3 blocks; 5384 free (1 chunks); 27448 used
LOG: server process (PID 11452) was terminated by exception 0xC0000005
HINT: See C include file "ntstatus.h" for a description of the hexadecimal value.
LOG: terminating any other active server processes
WARNING: terminating connection because of crash of another server process
DETAIL: The postmaster has commanded this server process to roll back the current transaction and e
xit, because another server process exited abnormally and possibly corrupted shared memory.
HINT: In a moment you should be able to reconnect to the database and repeat your command.
WARNING: terminating connection because of crash of another server process
DETAIL: The postmaster has commanded this server process to roll back the current transaction and e
xit, because another server process exited abnormally and possibly corrupted shared memory.
HINT: In a moment you should be able to reconnect to the database and repeat your command.
LOG: all server processes terminated; reinitializing
LOG: database system was interrupted; last known up at 2014-07-17 13:46:05 HKT
LOG: database system was not properly shut down; automatic recovery in progress
LOG: redo starts at 1/D104A18
LOG: record with zero length at 1/D10C980
LOG: redo done at 1/D10C940
LOG: last completed transaction was at log time 2014-07-17 13:57:03.486+08
LOG: database system is ready to accept connections
LOG: autovacuum launcher started
还有一种日志是在sql查询窗口会出现out of memory的错误。
还请牛人不吝指教。
