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Introduce kstat dmu_tx_dirty_frees_delay

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It is helpful to tune zfs_per_txg_dirty_frees_percent for commit
539d33c7(OpenZFS 6569 - large file delete can starve out write ops).

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Richard Elling <Richard.Elling@RichardElling.com>
Signed-off-by: Feng Sun <loyou85@gmail.com>
Closes #7718
This commit is contained in:
Feng Sun
2018-07-26 00:52:27 +08:00
committed by Brian Behlendorf
parent 473c976a0c
commit 750e1f88d3
3 changed files with 3 additions and 0 deletions
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include/sys/dmu_tx.h
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@@ -124,6 +124,7 @@ typedef struct dmu_tx_stats {
kstat_named_t dmu_tx_dirty_throttle;
kstat_named_t dmu_tx_dirty_delay;
kstat_named_t dmu_tx_dirty_over_max;
kstat_named_t dmu_tx_dirty_frees_delay;
kstat_named_t dmu_tx_quota;
} dmu_tx_stats_t;