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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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tests/zfs-tests/include/tunables.cfg
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@@ -87,6 +87,7 @@ SPA_ASIZE_INFLATION spa.asize_inflation spa_asize_inflation
SPA_DISCARD_MEMORY_LIMIT spa.discard_memory_limit zfs_spa_discard_memory_limit
SPA_LOAD_VERIFY_DATA spa.load_verify_data spa_load_verify_data
SPA_LOAD_VERIFY_METADATA spa.load_verify_metadata spa_load_verify_metadata
SPA_NOTE_TXG_TIME spa.note_txg_time spa_note_txg_time
TRIM_EXTENT_BYTES_MIN trim.extent_bytes_min zfs_trim_extent_bytes_min
TRIM_METASLAB_SKIP trim.metaslab_skip zfs_trim_metaslab_skip
TRIM_TXG_BATCH trim.txg_batch zfs_trim_txg_batch