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Add TXG timestamp database

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This feature enables tracking of when TXGs are committed to disk,
providing an estimated timestamp for each TXG.

With this information, it becomes possible to perform scrubs based
on specific date ranges, improving the granularity of data
management and recovery operations.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com>
Reviewed-by: Paul Dagnelie <paul.dagnelie@klarasystems.com>
Signed-off-by: Mariusz Zaborski <mariusz.zaborski@klarasystems.com>
Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Closes #16853
This commit is contained in:
Mariusz Zaborski
2025-08-06 19:31:21 +02:00
committed by GitHub
parent c3496b5cc6
commit 894edd084e
21 changed files with 736 additions and 10 deletions
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include/sys/dmu.h
+3
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@@ -414,6 +414,9 @@ typedef struct dmu_buf {
#define DMU_POOL_ZPOOL_CHECKPOINT "com.delphix:zpool_checkpoint"
#define DMU_POOL_LOG_SPACEMAP_ZAP "com.delphix:log_spacemap_zap"
#define DMU_POOL_DELETED_CLONES "com.delphix:deleted_clones"
#define DMU_POOL_TXG_LOG_TIME_MINUTES "com.klaraystems:txg_log_time:minutes"
#define DMU_POOL_TXG_LOG_TIME_DAYS "com.klaraystems:txg_log_time:days"
#define DMU_POOL_TXG_LOG_TIME_MONTHS "com.klaraystems:txg_log_time:months"
/*
* Allocate an object from this objset. The range of object numbers