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update max_variance limit in zdb_block_size_histogram test for CI

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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
This commit is contained in:
ednadolski-ix 2023-09-09 11:23:29 -06:00 committed by Brian Behlendorf
parent 11943656f9
commit b9b9cdcdb1
1 changed files with 4 additions and 4 deletions
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8
tests/zfs-tests/tests/functional/cli_root/zdb/zdb_block_size_histogram.ksh
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@ -204,11 +204,11 @@ function histo_check_test_pool
# 4096 blocksize count for asize. For verification we stick
# to just lsize counts.
#
# The max_variance is hard-coded here at 12% to leave us some
# margin. Testing has shown this normally to be in the range
# of 2%-8%, but it may be as large as 11%.
# Variances are expected since this test does not account for
# metadata. The hardcoded limit here is empirical and should
# not be construed as deterministic.
###################
let max_variance=12
let max_variance=15
let fail_value=0
let error_count=0
log_note "Comparisons for ${pool}"