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update max_variance limit in zdb_block_size_histogram test for CI
Commit 2d7843401a
had previously
updated this hardcoded limit to allow for CI testing. As there
is no deterministic pass/fail value, the need has arisen for
one more small increase.
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Edmund Nadolski <edmund.nadolski@ixsystems.com>
Closes #15252
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@ -204,11 +204,11 @@ function histo_check_test_pool
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# 4096 blocksize count for asize. For verification we stick
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# to just lsize counts.
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#
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# The max_variance is hard-coded here at 12% to leave us some
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# margin. Testing has shown this normally to be in the range
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# of 2%-8%, but it may be as large as 11%.
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# Variances are expected since this test does not account for
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# metadata. The hardcoded limit here is empirical and should
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# not be construed as deterministic.
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###################
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let max_variance=12
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let max_variance=15
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let fail_value=0
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let error_count=0
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log_note "Comparisons for ${pool}"
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