{"id":41523,"date":"2023-08-06T06:12:31","date_gmt":"2023-04-19T09:01:12","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/postgresql-conf%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9fstandby-signal-rewind-signal-recovery-signal%e5%8f%88%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f\/"},"modified":"2024-04-30T17:13:28","modified_gmt":"2024-04-30T09:13:28","slug":"postgresql-conf%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9fstandby-signal-rewind-signal-recovery-signal%e5%8f%88%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/postgresql-conf%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9fstandby-signal-rewind-signal-recovery-signal%e5%8f%88%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f\/","title":{"rendered":"postgresql.conf\u662f\u4ec0\u4e48\uff1fstandby.signal, rewind.signal, recovery.signal\u53c8\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

PostgreSQL\u7684\u914d\u7f6e\u6587\u4ef6\u3002<\/h2>\n

postgresql.conf => PostgreSQL\u7684\u914d\u7f6e\u6587\u4ef6<\/h3>\n

“postgresql.conf” \u662f PostgreSQL \u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u4e3b\u8981\u914d\u7f6e\u6587\u4ef6\u3002\u901a\u8fc7\u8fd9\u4e2a\u6587\u4ef6\uff0c\u60a8\u53ef\u4ee5\u81ea\u5b9a\u4e49\u670d\u52a1\u5668\u7684\u64cd\u4f5c\u3002<\/p>\n

\u76ee\u7684\u3068\u6a5f\u80fd:<\/p>\n

\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a: \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u63a5\u7d9a\u8a2d\u5b9a\u306a\u3069\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u591a\u304f\u306e\u5074\u9762\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002
\n\u30ab\u30b9\u30bf\u30de\u30a4\u30ba: \u74b0\u5883\u3084\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u52d5\u4f5c\u3092\u8abf\u6574\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u8a2d\u5b9a\u9805\u76ee\u306e\u4f8b:<\/p>\n

\u63a5\u7d9a\u8a2d\u5b9a: max_connections \u3067\u540c\u6642\u63a5\u7d9a\u6570\u3092\u8a2d\u5b9a\u3057\u3001listen_addresses \u3067\u63a5\u7d9a\u3092\u53d7\u3051\u4ed8\u3051\u308b IP \u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002
\n\u30e1\u30e2\u30ea\u8a2d\u5b9a: shared_buffers, work_mem \u306a\u3069\u306e\u8a2d\u5b9a\u3092\u901a\u3058\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u4f7f\u7528\u3059\u308b\u30e1\u30e2\u30ea\u91cf\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002
\n\u30ed\u30b0\u8a2d\u5b9a: \u30ed\u30b0\u306e\u8a73\u7d30\u5ea6\u3001\u4fdd\u5b58\u5834\u6240\u3001\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u30dd\u30ea\u30b7\u30fc\u306a\u3069\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u8a2d\u5b9a\u65b9\u6cd5:
\n\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3092\u4f7f\u7528\u3057\u3066 postgresql.conf \u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304d\u3001\u8a2d\u5b9a\u5024\u3092\u5909\u66f4\u3057\u307e\u3059\u3002
\n\u5909\u66f4\u5f8c\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u518d\u8d77\u52d5\u3059\u308b\u304b\u3001\u7279\u5b9a\u306e\u8a2d\u5b9a\u306f\u4e0b\u8a18\u30b3\u30de\u30f3\u30c9\u3067\u30ea\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n# run
\npg_ctl reload<\/p>\n

# or execute
\nSELECT pg_reload_conf()<\/p>\n

\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u5834\u6240:
\n\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306b\u3042\u308a\u307e\u3059\u304c\u3001\u5834\u6240\u306f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u3084\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002
\n\u4e0b\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u73fe\u5728\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002
\nSHOW config_file;<\/p>\n

# —————————–
\n# PostgreSQL\u914d\u7f6e\u6587\u4ef6
\n# —————————–
\n#
\n# \u8be5\u6587\u4ef6\u7531\u4ee5\u4e0b\u5f62\u5f0f\u7684\u884c\u7ec4\u6210\uff1a
\n#
\n# name = value
\n#
\n# \uff08”=”\u662f\u53ef\u9009\u7684\uff09\u53ef\u4ee5\u4f7f\u7528\u7a7a\u683c\u3002\u4ee5”#”\u5f00\u5934\u7684\u4efb\u4f55\u4f4d\u7f6e\u90fd\u4f1a\u5f15\u5165\u6ce8\u91ca\u3002\u5b8c\u6574\u7684\u53c2\u6570\u540d\u79f0\u548c\u5141\u8bb8\u7684\u503c\u5217\u8868\u53ef\u4ee5\u5728PostgreSQL\u6587\u6863\u4e2d\u627e\u5230\u3002
\n#
\n# \u5728\u8be5\u6587\u4ef6\u4e2d\u663e\u793a\u7684\u88ab\u6ce8\u91ca\u6389\u7684\u8bbe\u7f6e\u4ee3\u8868\u9ed8\u8ba4\u503c\u3002\u91cd\u65b0\u6ce8\u91ca\u8bbe\u7f6e\u4e0d\u8db3\u4ee5\u5c06\u5176\u6062\u590d\u4e3a\u9ed8\u8ba4\u503c\uff1b\u60a8\u9700\u8981\u91cd\u65b0\u52a0\u8f7d\u670d\u52a1\u5668\u3002
\n#
\n# \u5f53\u670d\u52a1\u5668\u542f\u52a8\u548c\u6536\u5230SIGHUP\u4fe1\u53f7\u65f6\uff0c\u4f1a\u8bfb\u53d6\u8be5\u6587\u4ef6\u3002\u5982\u679c\u60a8\u5728\u8fd0\u884c\u4e2d\u7684\u7cfb\u7edf\u4e0a\u7f16\u8f91\u8be5\u6587\u4ef6\uff0c\u60a8\u5fc5\u987b\u901a\u8fc7SIGHUP\u670d\u52a1\u5668\u4f7f\u66f4\u6539\u751f\u6548\uff0c\u8fd0\u884c”pg_ctl reload”\u6216\u6267\u884c”SELECT pg_reload_conf()”\u3002\u4e00\u4e9b\u6807\u8bb0\u4e0b\u7684\u53c2\u6570\u9700\u8981\u670d\u52a1\u5668\u5173\u673a\u548c\u91cd\u542f\u624d\u80fd\u751f\u6548\u3002
\n#
\n# \u4efb\u4f55\u53c2\u6570\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u670d\u52a1\u5668\u7684\u547d\u4ee4\u884c\u9009\u9879\u7ed9\u51fa\uff0c\u4f8b\u5982\uff0c”postgres -c log_connections=on”\u3002\u53ef\u4ee5\u4f7f\u7528”SET” SQL\u547d\u4ee4\u5728\u8fd0\u884c\u65f6\u66f4\u6539\u4e00\u4e9b\u53c2\u6570\u3002
\n#
\n# \u5185\u5b58\u5355\u4f4d\uff1aB = \u5b57\u8282\uff0c\u65f6\u95f4\u5355\u4f4d\uff1aus = \u5fae\u79d2
\n# kB = \u5343\u5b57\u8282 ms = \u6beb\u79d2
\n# MB = \u5146\u5b57\u8282 s = \u79d2
\n# GB = \u5409\u5b57\u8282 min = \u5206\u949f
\n# TB = \u592a\u5b57\u8282 h = \u5c0f\u65f6
\n# d = \u5929#——————————————————————————
\n# \u8fde\u63a5\u548c\u8eab\u4efd\u9a8c\u8bc1
\n#——————————————————————————<\/p>\n

# – \u8fde\u63a5\u8bbe\u7f6e –<\/p>\n

listen_addresses = ‘*’
\n# \u9017\u53f7\u5206\u9694\u7684\u5730\u5740\u5217\u8868\uff1b
\n# \u9ed8\u8ba4\u4e3a’localhost’\uff1b\u4f7f\u7528’*’\u8868\u793a\u6240\u6709
\n# \uff08\u66f4\u6539\u9700\u8981\u91cd\u65b0\u542f\u52a8\uff09
\n#port = 5432 # \uff08\u66f4\u6539\u9700\u8981\u91cd\u65b0\u542f\u52a8\uff09
\nmax_connections = 100 # \uff08\u66f4\u6539\u9700\u8981\u91cd\u65b0\u542f\u52a8\uff09
\n…<\/p>\n

#——————————————————————————
\n# \u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff08\u9664\u4e86WAL\uff09
\n#——————————————————————————<\/p>\n

# – \u5185\u5b58 –<\/p>\n

shared_buffers = 128MB # \u6700\u5c11128kB
\n# \uff08\u66f4\u6539\u9700\u8981\u91cd\u65b0\u542f\u52a8\uff09
\n…<\/p>\n<\/details>\n

PostgreSQL\u7684\u63a7\u5236\u6587\u4ef6<\/h2>\n

\u5728PostgreSQL 13\u4e2d\uff0cstandby.signal\uff0crewind.signal\u548crecovery.signal\u7528\u4e8e\u89e6\u53d1\u6570\u636e\u5e93\u6062\u590d\u548c\u590d\u5236\u914d\u7f6e\u4e2d\u7684\u7279\u5b9a\u64cd\u4f5c\u3002
\n\u8fd9\u4e9b\u88ab\u79f0\u4e3a\u201c\u4fe1\u53f7\u6587\u4ef6\u201d\u7684\u6587\u4ef6\u88ab\u7528\u4e8e\u89e6\u53d1PostgreSQL\u4e2d\u7684\u7279\u5b9a\u72b6\u6001\u3002\u8fd9\u4e9b\u6587\u4ef6\u672c\u8eab\u5e76\u4e0d\u5305\u542b\u4ee3\u7801\uff0c\u800c\u662f\u6307\u793a\u670d\u52a1\u5668\u6267\u884c\u7279\u5b9a\u64cd\u4f5c\u7684\u6587\u4ef6\u5b58\u5728\u3002<\/p>\n

\u5f85\u547d\u4fe1\u53f7<\/h3>\n

\u76ee\u7684: \u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3001PostgreSQL \u30b5\u30fc\u30d0\u30fc\u304c\u30b9\u30bf\u30f3\u30d0\u30a4\u30e2\u30fc\u30c9\u3067\u8d77\u52d5\u3059\u308b\u3053\u3068\u3092\u6307\u793a\u3057\u307e\u3059\u3002\u30b9\u30bf\u30f3\u30d0\u30a4\u30e2\u30fc\u30c9\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u30ea\u30fc\u30c9\u30aa\u30f3\u30ea\u30fc\u3067\u52d5\u4f5c\u3057\u3001\u30d7\u30e9\u30a4\u30de\u30ea\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u30ed\u30b0\u3092\u30ea\u30d7\u30ec\u30a4\uff08\u9069\u7528\uff09\u3057\u307e\u3059\u3002<\/p>\n

\u4f7f\u7528\u65b9\u6cd5: standby.signal \u30d5\u30a1\u30a4\u30eb\u3092\u30c7\u30fc\u30bf\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u914d\u7f6e\u3059\u308b\u3060\u3051\u3067\u3001\u7279\u5225\u306a\u8a2d\u5b9a\u306f\u4e0d\u8981\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u306f\u7a7a\u3067\u3082\u69cb\u3044\u307e\u305b\u3093\u3002<\/p>\n

\u5012\u5e26\u4fe1\u53f7\u3002<\/h3>\n

\u76ee\u7684: PostgreSQL 13 \u3067\u306f\u3001rewind.signal \u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u306b\u3088\u308a\u3001pg_rewind \u304c\u81ea\u52d5\u7684\u306b\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u4ee5\u524d\u306e\u30d7\u30e9\u30a4\u30de\u30ea\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u5dee\u5206\u3092\u540c\u671f\u3057\u3001\u30b9\u30bf\u30f3\u30d0\u30a4\u3068\u3057\u3066\u518d\u958b\u3059\u308b\u6e96\u5099\u3092\u3057\u307e\u3059\u3002<\/p>\n

\u4f7f\u7528\u65b9\u6cd5: \u30b9\u30bf\u30f3\u30d0\u30a4\u30b5\u30fc\u30d0\u30fc\u3092\u505c\u6b62\u3057\u3001\u30c7\u30fc\u30bf\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b rewind.signal \u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u518d\u8d77\u52d5\u3059\u308b\u3068\u3001pg_rewind \u304c\u81ea\u52d5\u7684\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u6062\u590d\u4fe1\u53f7<\/h3>\n

\u76ee\u7684: PostgreSQL 12 \u307e\u3067\u306e recovery.conf \u306e\u5f79\u5272\u3092\u5f15\u304d\u7d99\u3044\u3067\u3044\u307e\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u30ea\u30ab\u30d0\u30ea\u30e2\u30fc\u30c9\uff08\u307e\u305f\u306f\u30b9\u30bf\u30f3\u30d0\u30a4\u30e2\u30fc\u30c9\uff09\u3067\u8d77\u52d5\u3059\u308b\u3053\u3068\u3092\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n

\u4f7f\u7528\u65b9\u6cd5: PostgreSQL 12 \u4ee5\u524d\u3067\u306f recovery.conf \u306b\u8a2d\u5b9a\u3092\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u300113 \u4ee5\u964d\u306f postgresql.conf \u307e\u305f\u306f standby.signal \u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002recovery.signal \u30d5\u30a1\u30a4\u30eb\u306f\u7a7a\u306e\u72b6\u614b\u3067\u30c7\u30fc\u30bf\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u914d\u7f6e\u3057\u307e\u3059\u3002<\/p>\n

\u6574\u7406\u3001\u603b\u7ed3<\/h2>\n

postgresql.conf \u662f PostgreSQL \u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u7528\u4e8e\u914d\u7f6e\u6027\u80fd\u548c\u8fde\u63a5\u8bbe\u7f6e\u7b49\u3002
\n\u5e26\u6709 .signal \u6269\u5c55\u540d\u7684\u4fe1\u53f7\u6587\u4ef6\u7528\u4e8e\u89e6\u53d1\u670d\u52a1\u5668\u7684\u7279\u5b9a\u64cd\u4f5c\u6a21\u5f0f\u3002
\nstandby.signal \u8868\u793a\u5f85\u547d\u6a21\u5f0f\uff0crewind.signal \u8868\u793a\u81ea\u52a8\u6267\u884c pg_rewind\uff0crecovery.signal \u6307\u793a\u6062\u590d\u6a21\u5f0f\u3002
\n\u8fd9\u4e9b\u6587\u4ef6\u662f\u7a7a\u7684\uff0c\u5b83\u4eec\u7684\u5b58\u5728\u672c\u8eab\u5c31\u662f\u5bf9\u670d\u52a1\u5668\u7684\u6307\u793a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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