开始看PostgreSQL 中 shared_buffers 的值 是 32MB打印 src/backend/storage/buffer/bufmgr.c 中， NBuffers 的值：结果：[postgres@localhost bin]$ ./postgres -D /usr/local/pgsql/dataLOG: database system was shut down at 2012-11-01 17:19:27 CSTNBuffers is: 4096LOG: autovacuum launcher startedLOG: database system is ready...
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2012-11-02 09:37:00
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SYNOPSIS postmaster [ -A 0 | 1] [ -B nbuffers] [ -c name=value] [ -d debug-level] [ -D datadir] [ -F ] [ -h hostname] [ -i ] [ -k directory] [ -l ] [
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2019-06-27 15:55:00
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SYNOPSIS postgres [ -A 0 | 1] [ -B nbuffers] [ -c name=value] [ -d debug-level] [ --describe-config ] [ -D datadir] [ -e ] [ -E ] [ -f s | i | t | n |
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2019-06-27 15:54:00
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SYNOPSISpostgres [ -A 0 | 1] [ -B nbuffers] [ -c name=value] [ -d debug-level] [ --describe-config ] [ -D datadir] [ -e ] [ -E ] [ -f s | i | t | n | m | h] [ -F ] [ -N ] [ -o filename] [ -O ] [ -P ]
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2024-07-29 17:37:34
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