{"Entry":{"collection":"metric","key":"pg_stat_progress_basebackup-backup_total","name":"pg_stat_progress_basebackup.backup_total","aliases":["backup_total","pg_stat_progress_basebackup"],"metadata":{"aliases":["backup_total","pg_stat_progress_basebackup"],"category":"pg_stat_progress_basebackup","content_hash":"7bc8fc918bfef1f4378a8c36e1dd2e4f2fbcbd00e00fabceea2df0fd03133da5","imported_at":"2026-09-30T00:40:45.78997+08:00","name":"pg_stat_progress_basebackup.backup_total","name_zh":"","slug":"pg_stat_progress_basebackup-backup_total","summary":"Total amount of data that will be streamed. This is estimated and reported as of the beginning of streaming database files phase. Note that this is only an approximation since the database may change during streaming database files phase and WAL log may be included in the backup later. This is always the same value as backup_streamed once the amount of data streamed exceeds the estimated total size. If the estimation is disabled in pg_basebackup (i.e., --no-estimate-size option is specified), this is NULL."}},"Definition":{"Collection":"metric","Key":"pg_stat_progress_basebackup-backup_total","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_progress_basebackup-backup_total","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"backup_total","sql_type":"bigint","units_mentioned":[],"view":"pg_stat_progress_basebackup"},"comparison_hash":"babdc66260a29e16ab19fd77f881b473f5b56f1d0eb77ff53eed8b2cd8900e1c","description":["Total amount of data that will be streamed. This is estimated and reported as of the beginning of streaming database files phase. Note that this is only an approximation since the database may change during streaming database files phase and WAL log may be included in the backup later. 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If the estimation is disabled in pg_basebackup (i.e., --no-estimate-size option is specified), this is NULL."],"documented":true,"facts":[{"label":"View","value":"pg_stat_progress_basebackup"},{"label":"Field","value":"backup_total"},{"label":"SQL type","value":"bigint"},{"label":"Units named in the field definition","value":"Not specified"},{"label":"Reset observation","value":"No stats_reset field is documented for this view"}],"field":"backup_total","manual_html":"","manual_path":"/docs/18/progress-reporting.html","related":[{"label":"pg_stat_progress_basebackup columns","url":"/wiki/catalog/pg_stat_progress_basebackup/?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":["Whenever an application like pg_basebackup is taking a base backup, the pg_stat_progress_basebackup view will contain a row for each WAL sender process that is currently running the BASE_BACKUP replication command and streaming the backup. The tables below describe the information that will be reported and provide information about how to interpret it."],"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 backup_total FROM pg_catalog.pg_stat_progress_basebackup;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"signature":"SELECT backup_total FROM pg_catalog.pg_stat_progress_basebackup;","source_only":false,"sources":[{"label":"PostgreSQL 18 English manual","path":"progress-reporting.html","sha256":"a1f46d2b670502bfe75f1cf5192050ef2ef68202a8f928c4915abea0f4f71ae6","url":"/docs/18/progress-reporting.html#PG-STAT-PROGRESS-BASEBACKUP-VIEW"}],"sql_type":"bigint","tables":[],"units_mentioned":[],"view":"pg_stat_progress_basebackup"},"ManualEvidence":{"manual_path":"/docs/18/progress-reporting.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":"progress-reporting.html","sha256":"a1f46d2b670502bfe75f1cf5192050ef2ef68202a8f928c4915abea0f4f71ae6","url":"/docs/18/progress-reporting.html#PG-STAT-PROGRESS-BASEBACKUP-VIEW"}]},"MeasuredEvidence":{}},"Text":{"Collection":"metric","Key":"pg_stat_progress_basebackup-backup_total","SourceDatabase":"center","Version":"18","Locale":"en","Title":"pg_stat_progress_basebackup.backup_total","Summary":"Total amount of data that will be streamed. This is estimated and reported as of the beginning of streaming database files phase. Note that this is only an approximation since the database may change during streaming database files phase and WAL log may be included in the backup later. This is always the same value as backup_streamed once the amount of data streamed exceeds the estimated total size. If the estimation is disabled in pg_basebackup (i.e., --no-estimate-size option is specified), this is NULL.","BodyHTML":"\u003cp\u003eTotal amount of data that will be streamed. This is estimated and reported as of the beginning of streaming database files phase. Note that this is only an approximation since the database may change during streaming database files phase and WAL log may be included in the backup later. This is always the same value as backup_streamed once the amount of data streamed exceeds the estimated total size. If the estimation is disabled in pg_basebackup (i.e., --no-estimate-size option is specified), this is NULL.\u003c/p\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"b8defb3cc5cc25de1ec601a703f40dad60722ee2998d3ecf3df342275b836e8a","Payload":{"description":["Total amount of data that will be streamed. This is estimated and reported as of the beginning of streaming database files phase. Note that this is only an approximation since the database may change during streaming database files phase and WAL log may be included in the backup later. This is always the same value as backup_streamed once the amount of data streamed exceeds the estimated total size. If the estimation is disabled in pg_basebackup (i.e., --no-estimate-size option is specified), this is NULL."],"manual_html":"","related":[{"label":"pg_stat_progress_basebackup columns","url":"/wiki/catalog/pg_stat_progress_basebackup/?v=18"},{"label":"Statistics collection and reset functions","url":"/docs/18/monitoring-stats.html"}],"sections":[{"paragraphs":["Whenever an application like pg_basebackup is taking a base backup, the pg_stat_progress_basebackup view will contain a row for each WAL sender process that is currently running the BASE_BACKUP replication command and streaming the backup. The tables below describe the information that will be reported and provide information about how to interpret it."],"title":"View semantics"},{"paragraphs":["Read the same-version statistics collection and view documentation below for reset scope and visibility. 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