{"kind": "metric", "major": "18", "item": {"slug": "pg_stat_recovery-current_chunk_start_time", "name": "pg_stat_recovery.current_chunk_start_time", "name_zh": "", "category": "pg_stat_recovery", "summary": "\u6240\u9009\u7248\u672c\u672a\u6536\u5f55\u6b64\u6761\u76ee\u3002", "aliases": ["current_chunk_start_time", "pg_stat_recovery"], "content_hash": "afe2cdd52dfca9e4aa6a595dfa25910cded35bf080369d523d21f361258d9113", "versions": {"19": {"view": "pg_stat_recovery", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_recovery"}, {"label": "\u5b57\u6bb5", "value": "current_chunk_start_time"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "current_chunk_start_time", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_recovery/?v=19", "label": "pg_stat_recovery \u5b57\u6bb5"}, {"url": "/docs/19/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v19beta4/postgresql-19beta4.tar.bz2", "label": "19beta4", "major": "19", "channel": "preview", "revision": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}, "sources": [{"url": "https://pg.center/docs/19/monitoring-stats.html#PG-STAT-RECOVERY-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 19 English manual", "sha256": "26e1b6632bdf05ebe081987cb60ab4ded526eec7db73e41316fbd69466c494fe", "language": "en", "original_url": "/docs/19/monitoring-stats.html#PG-STAT-RECOVERY-VIEW"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_recovery \u89c6\u56fe\u81f3\u591a\u5305\u542b\u4e00\u884c\uff0c\u7528\u6765\u663e\u793a\u542f\u52a8\u8fdb\u7a0b\u7684\u6062\u590d\u72b6\u6001\u7edf\u8ba1\u4fe1\u606f\u3002\u5f53\u670d\u52a1\u5668\u4e0d\u5904\u4e8e\u6062\u590d\u72b6\u6001\uff0c\u6216\u8005\u7528\u6237\u6ca1\u6709 pg_read_all_stats \u89d2\u8272\u7684\u6743\u9650\u65f6\uff0c\u8fd9\u4e2a\u89c6\u56fe\u4e0d\u8fd4\u56de\u4efb\u4f55\u884c\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT current_chunk_start_time FROM pg_catalog.pg_stat_recovery;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "timestamp with time zone", "signature": "SELECT current_chunk_start_time FROM pg_catalog.pg_stat_recovery;", "documented": true, "description": ["\u542f\u52a8\u8fdb\u7a0b\u89c2\u5bdf\u5230\u91cd\u653e\u5df2\u7ecf\u8ffd\u4e0a\u4ece\u6d41\u590d\u5236\u63a5\u6536\u7684\u6700\u65b0 WAL \u5757\u7684\u65f6\u95f4\u3002\u7528\u4e8e\u6062\u590d\u51b2\u7a81\u8ba1\u65f6\u548c\u91cd\u653e/\u5e94\u7528\u5ef6\u8fdf\u8bca\u65ad\u3002\u5982\u679c\u5c1a\u672a\u63a5\u6536\u5230\u6d41\u5f0f WAL\uff0c\u6216\u65e0\u6cd5\u83b7\u5f97\u8be5\u65f6\u95f4\uff0c\u5219\u4e3a\u7a7a\u503c\u3002"], "manual_html": "", "manual_path": "/docs/19/monitoring-stats.html", "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/19/monitoring-stats.html", "method": "same-major semantic node", "sha256": "024434288428f15560d48c78af2e836ca669a4217589cfaeb2f16b72123b501a", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[11]/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[1]", "#MONITORING-STATS/div[11]/p[2]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "Time when the startup process observed that replay had caught up with the latest WAL chunk received from streaming replication. Used in recovery-conflict timing and replay/apply-lag diagnostics. NULL if streaming WAL has not yet been received or the time is not available.", "/versions/19/facts/0/label": "View", "/versions/19/facts/1/label": "Field", "/versions/19/facts/2/label": "SQL type", "/versions/19/facts/3/label": "Units named in the field definition", "/versions/19/facts/3/value": "Not specified", "/versions/19/facts/4/label": "Reset observation", "/versions/19/facts/4/value": "No stats_reset field is documented for this view", "/versions/19/related/0/label": "pg_stat_recovery columns", "/versions/19/related/1/label": "Statistics collection and reset functions", "/versions/19/sections/0/title": "View semantics", "/versions/19/sections/1/title": "Collection and reset context", "/versions/19/sections/2/title": "Inspect this field", "/versions/19/sections/0/paragraphs/0": "The pg_stat_recovery view will contain at most one row, showing statistics about the recovery state of the startup process. This view returns no rows when the server is not in recovery or the user does not have privileges of the pg_read_all_stats role.", "/versions/19/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/19/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "a76f348a3c4cf4171f1ca5c71bdbef7dd41c6dec1ad9d0f5dff203a4ce953a35"}, "comparison_data": {"view": "pg_stat_recovery", "field": "current_chunk_start_time", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "dc5e9e53572c11a72df73fe6e2be84254f57781789d04c3fe7a40d70b089eb28", "units_mentioned": []}, "20": {"view": "pg_stat_recovery", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_recovery"}, {"label": "\u5b57\u6bb5", "value": "current_chunk_start_time"}, {"label": "SQL \u7c7b\u578b", "value": "timestamp with time zone"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u624b\u518c\u672a\u4e3a\u6b64\u89c6\u56fe\u8bb0\u8f7d stats_reset \u5b57\u6bb5"}], "field": "current_chunk_start_time", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_recovery/?v=20", "label": "pg_stat_recovery \u5b57\u6bb5"}, {"url": "/docs/devel/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "revision": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}, "sources": [{"url": "https://pg.center/docs/devel/monitoring-stats.html#PG-STAT-RECOVERY-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 20 English manual", "sha256": "dfc27a108b70bdf88f310801ae3db011a8f608befd927722e5f3e9bdcc070251", "language": "en", "original_url": "/docs/devel/monitoring-stats.html#PG-STAT-RECOVERY-VIEW"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_recovery \u89c6\u56fe\u81f3\u591a\u5305\u542b\u4e00\u884c\uff0c\u7528\u6765\u663e\u793a\u542f\u52a8\u8fdb\u7a0b\u7684\u6062\u590d\u72b6\u6001\u7edf\u8ba1\u4fe1\u606f\u3002\u5f53\u670d\u52a1\u5668\u4e0d\u5904\u4e8e\u6062\u590d\u72b6\u6001\uff0c\u6216\u8005\u7528\u6237\u6ca1\u6709 pg_read_all_stats \u89d2\u8272\u7684\u6743\u9650\u65f6\uff0c\u8fd9\u4e2a\u89c6\u56fe\u4e0d\u8fd4\u56de\u4efb\u4f55\u884c\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT current_chunk_start_time FROM pg_catalog.pg_stat_recovery;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "timestamp with time zone", "signature": "SELECT current_chunk_start_time FROM pg_catalog.pg_stat_recovery;", "documented": true, "description": ["\u542f\u52a8\u8fdb\u7a0b\u89c2\u5bdf\u5230\u91cd\u653e\u5df2\u7ecf\u8ffd\u4e0a\u4ece\u6d41\u590d\u5236\u63a5\u6536\u7684\u6700\u65b0 WAL \u5757\u7684\u65f6\u95f4\u3002\u7528\u4e8e\u6062\u590d\u51b2\u7a81\u8ba1\u65f6\u548c\u91cd\u653e/\u5e94\u7528\u5ef6\u8fdf\u8bca\u65ad\u3002\u5982\u679c\u5c1a\u672a\u63a5\u6536\u5230\u6d41\u5f0f WAL\uff0c\u6216\u65e0\u6cd5\u83b7\u5f97\u8be5\u65f6\u95f4\uff0c\u5219\u4e3a\u7a7a\u503c\u3002"], "manual_html": "", "manual_path": "/docs/devel/monitoring-stats.html", "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/devel/monitoring-stats.html", "method": "same-major semantic node", "sha256": "1d9a086fb4c6fdd9a56d3a7a28e8c164354ef0bf50c402f06ebe174538f96a4f", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[11]/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[1]", "#MONITORING-STATS/div[11]/p[2]"]}], "language": "zh", "original_text": {"/summary": "Time when the startup process observed that replay had caught up with the latest WAL chunk received from streaming replication. Used in recovery-conflict timing and replay/apply-lag diagnostics. NULL if streaming WAL has not yet been received or the time is not available.", "/versions/20/description/0": "Time when the startup process observed that replay had caught up with the latest WAL chunk received from streaming replication. Used in recovery-conflict timing and replay/apply-lag diagnostics. NULL if streaming WAL has not yet been received or the time is not available.", "/versions/20/facts/0/label": "View", "/versions/20/facts/1/label": "Field", "/versions/20/facts/2/label": "SQL type", "/versions/20/facts/3/label": "Units named in the field definition", "/versions/20/facts/3/value": "Not specified", "/versions/20/facts/4/label": "Reset observation", "/versions/20/facts/4/value": "No stats_reset field is documented for this view", "/versions/20/related/0/label": "pg_stat_recovery columns", "/versions/20/related/1/label": "Statistics collection and reset functions", "/versions/20/sections/0/title": "View semantics", "/versions/20/sections/1/title": "Collection and reset context", "/versions/20/sections/2/title": "Inspect this field", "/versions/20/sections/0/paragraphs/0": "The pg_stat_recovery view will contain at most one row, showing statistics about the recovery state of the startup process. This view returns no rows when the server is not in recovery or the user does not have privileges of the pg_read_all_stats role.", "/versions/20/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/20/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "a87ffd29255fe166ab888f9b38ccf2c0b7c7d12d4b96cff2fbfafd4c0e5fbbd0"}, "comparison_data": {"view": "pg_stat_recovery", "field": "current_chunk_start_time", "sql_type": "timestamp with time zone", "units_mentioned": []}, "comparison_hash": "dc5e9e53572c11a72df73fe6e2be84254f57781789d04c3fe7a40d70b089eb28", "units_mentioned": []}}}, "snapshot": null, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}