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Tweak rebuild in-flight hard limit #15324

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Sep 29, 2023
Merged

Tweak rebuild in-flight hard limit #15324

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4 changes: 2 additions & 2 deletions module/zfs/vdev_rebuild.c
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Original file line number Diff line number Diff line change
Expand Up @@ -807,12 +807,12 @@ vdev_rebuild_thread(void *arg)

/*
* Calculate the max number of in-flight bytes for top-level
* vdev scanning operations (minimum 1MB, maximum 1/4 of
* vdev scanning operations (minimum 1MB, maximum 1/2 of
* arc_c_max shared by all top-level vdevs). Limits for the
* issuing phase are done per top-level vdev and are handled
* separately.
*/
uint64_t limit = (arc_c_max / 4) / MAX(rvd->vdev_children, 1);
uint64_t limit = (arc_c_max / 2) / MAX(rvd->vdev_children, 1);
vr->vr_bytes_inflight_max = MIN(limit, MAX(1ULL << 20,
zfs_rebuild_vdev_limit * vd->vdev_children));

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