{"Entry":{"collection":"metric","key":"pg_stat_replication_slots-stream_txns","name":"pg_stat_replication_slots.stream_txns","aliases":["stream_txns","pg_stat_replication_slots"],"metadata":{"aliases":["stream_txns","pg_stat_replication_slots"],"category":"pg_stat_replication_slots","content_hash":"7f9e3806c77640fe7c3f9f8f52d53b3a24d20c633086dd9fc2402ed9434484c8","derived_content_hash":"a80e076584bd7b0aebfc82812871ef601eb96e4fef144b69c389acd0e9d2dbb4","imported_at":"2026-09-30T00:40:46.128194+08:00","name":"pg_stat_replication_slots.stream_txns","name_zh":"","slug":"pg_stat_replication_slots-stream_txns","summary":"Number of in-progress transactions streamed to the decoding output plugin after the memory used by logical decoding to decode changes from WAL for this slot has exceeded logical_decoding_work_mem. Streaming only works with top-level transactions (subtransactions can't be streamed independently), so the counter is not incremented for subtransactions."}},"Definition":{"Collection":"metric","Key":"pg_stat_replication_slots-stream_txns","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_replication_slots-stream_txns","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"stream_txns","sql_type":"bigint","units_mentioned":["transactions"],"view":"pg_stat_replication_slots"},"comparison_hash":"058ab6be15f5b15ce40e0a2586d6d135d2667c557d76d0a72ad78e1382334a91","description":["Number of in-progress transactions streamed to the decoding output plugin after the memory used by logical decoding to decode changes from WAL for this slot has exceeded logical_decoding_work_mem. Streaming only works with top-level transactions (subtransactions can't be streamed independently), so the counter is not incremented for subtransactions."],"description_zh":"当逻辑解码为此槽从 WAL 解码更改时所使用的内存超过 logical_decoding_work_mem 后，流式传输到解码输出插件的进行中事务数。流式传输仅适用于顶层事务（子事务不能单独进行流式传输），因此子事务不会使此计数器递增。","description_zh_html":"\u003cp\u003epg_stat_replication_slots.stream_txns 统计字段。\u003c/p\u003e\u003cdl\u003e\u003cdt\u003e视图\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003epg_stat_replication_slots\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e字段\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003estream_txns\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003eSQL 类型\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003ebigint\u003c/code\u003e\u003c/dd\u003e\u003c/dl\u003e\u003ch3\u003e同版本中文手册定义\u003c/h3\u003e\u003cp\u003e当逻辑解码为此槽从 WAL 解码更改时所使用的内存超过 logical_decoding_work_mem 后，流式传输到解码输出插件的进行中事务数。流式传输仅适用于顶层事务（子事务不能单独进行流式传输），因此子事务不会使此计数器递增。\u003c/p\u003e\u003cp\u003e\u003ca href=\"/zh/docs/18/monitoring-stats.html#\"\u003e查看完整中文手册与上下文\u003c/a\u003e。\u003c/p\u003e","documented":true,"facts":[{"label":"View","value":"pg_stat_replication_slots"},{"label":"Field","value":"stream_txns"},{"label":"SQL type","value":"bigint"},{"label":"Units named in the field definition","value":"transactions"},{"label":"Reset observation","value":"Time at which these statistics were last reset"}],"facts_zh":[{"label":"视图","value":"pg_stat_replication_slots"},{"label":"字段","value":"stream_txns"},{"label":"SQL 类型","value":"bigint"},{"label":"字段定义记载的单位","value":"transactions"},{"label":"重置条件","value":"这些统计上次重置的时间"}],"field":"stream_txns","manual_html":"","manual_path":"/docs/18/monitoring-stats.html","related":[{"label":"pg_stat_replication_slots columns","url":"/wiki/catalog/pg_stat_replication_slots/?v=18"},{"label":"Statistics collection and reset functions","url":"/docs/18/monitoring-stats.html"}],"release":{"channel":"stable","label":"18.6","major":"18","ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sections":[{"paragraphs":["The pg_stat_replication_slots view will contain one row per logical replication slot, showing statistics about its usage."],"title":"View semantics"},{"paragraphs":["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."],"title":"Collection and reset context"},{"code":"SELECT stream_txns FROM pg_catalog.pg_stat_replication_slots;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"sections_zh":[{"paragraphs":["pg_stat_replication_slots 视图将包含每个逻辑复制槽的一行，显示关于其使用情况的统计信息。"],"title":"视图语义"},{"paragraphs":["重置范围和可见性请参阅下方同版本的统计信息收集与视图文档。不根据字段名称推断各字段的重置规则。"],"title":"采集与重置语义"},{"code":"SELECT stream_txns FROM pg_catalog.pg_stat_replication_slots;","paragraphs":["示例查询；不表示已执行，也不提供实测值。"],"title":"查看此字段"}],"signature":"SELECT stream_txns FROM pg_catalog.pg_stat_replication_slots;","source_only":false,"sources":[{"label":"PostgreSQL 18 English manual","path":"monitoring-stats.html","sha256":"aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722","url":"/docs/18/monitoring-stats.html#PG-STAT-REPLICATION-SLOTS-VIEW"}],"sql_type":"bigint","tables":[],"tables_zh":[],"units_mentioned":["transactions"],"view":"pg_stat_replication_slots","zh_from":{"authored_translation":"source-derived-structured-summary","body_sha256":"a54af4486f57ecb806ba53a14799a4c63b8bb3136ed6218a656d110e906a91be","kind":"same-version-chinese-manual-with-source-derived-structured-summary","manual":{"anchor":"","build_id":107,"column":"stream_txns","extraction":"exact-catalog-field","locale":"zh-Hans","page_key":"monitoring-stats.html","source_hash":"0274aac7991450316bcf7be44635653b6d896fb00e321242c1b6674cb05c2e53","source_revision":"unknown:rendered-translation-baseline","translation_revision":"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b","url":"/zh/docs/18/monitoring-stats.html#","version":"18"},"runtime_rerun":false,"source_facts_revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}},"ManualEvidence":{"manual_path":"/docs/18/monitoring-stats.html","release":{"channel":"stable","label":"18.6","major":"18","ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sources":[{"label":"PostgreSQL 18 English manual","path":"monitoring-stats.html","sha256":"aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722","url":"/docs/18/monitoring-stats.html#PG-STAT-REPLICATION-SLOTS-VIEW"}]},"MeasuredEvidence":{}},"Text":{"Collection":"metric","Key":"pg_stat_replication_slots-stream_txns","SourceDatabase":"center","Version":"18","Locale":"en","Title":"pg_stat_replication_slots.stream_txns","Summary":"Number of in-progress transactions streamed to the decoding output plugin after the memory used by logical decoding to decode changes from WAL for this slot has exceeded logical_decoding_work_mem. Streaming only works with top-level transactions (subtransactions can't be streamed independently), so the counter is not incremented for subtransactions.","BodyHTML":"\u003cp\u003eNumber of in-progress transactions streamed to the decoding output plugin after the memory used by logical decoding to decode changes from WAL for this slot has exceeded logical_decoding_work_mem. Streaming only works with top-level transactions (subtransactions can\u0026#39;t be streamed independently), so the counter is not incremented for subtransactions.\u003c/p\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"54eefafb6060df71f64b4f137e3fe3c3b47203955bcda9a7db10ce6c6a1eb2ff","Payload":{"description":["Number of in-progress transactions streamed to the decoding output plugin after the memory used by logical decoding to decode changes from WAL for this slot has exceeded logical_decoding_work_mem. Streaming only works with top-level transactions (subtransactions can't be streamed independently), so the counter is not incremented for subtransactions."],"manual_html":"","related":[{"label":"pg_stat_replication_slots columns","url":"/wiki/catalog/pg_stat_replication_slots/?v=18"},{"label":"Statistics collection and reset functions","url":"/docs/18/monitoring-stats.html"}],"sections":[{"paragraphs":["The pg_stat_replication_slots view will contain one row per logical replication slot, showing statistics about its usage."],"title":"View semantics"},{"paragraphs":["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."],"title":"Collection and reset context"},{"code":"SELECT stream_txns FROM pg_catalog.pg_stat_replication_slots;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"tables":[]}},"RequestedLocale":"en","Fallback":false,"Versions":["14","15","16","17","18","19","20"],"Locales":["en","zh-Hans"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}