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zpool status: flush output before sleeping #15593

Merged
merged 1 commit into from
Dec 5, 2023
Merged

zpool status: flush output before sleeping #15593

merged 1 commit into from
Dec 5, 2023

Commits on Dec 2, 2023

  1. zpool: flush output before sleeping 

    Several zpool commands (status, list, iostat) have modes that present
some information, sleep a while, present the current state, sleep, etc.
Some of those had ways to invoke them that when piped would appear to do
nothing for a while, because non-terminals are block-buffered, not
line-buffered, by default.  Fix this by forcing a flush before sleeping.

In particular, all of these buffered:
- zpool status <pool> <interval>
- zpool iostat -y<m> <pool> <interval>
- zpool list <pool> <interval>

Signed-off-by: Rob Norris <[email protected]>
    @robn
    robn committed Dec 2, 2023
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