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ZTS: fix removal_condense_export test case

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It's been observed in the CI that the required 25% of obsolete bytes
in the mapping can be to high a threshold for this test resulting in
condensing never being triggered and a test failure.  To prevent these
failures make the existing zfs_condense_indirect_obsolete_pct tuning
available so the obsolete percentage can be reduced from 25% to 5%
during this test.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #11869
This commit is contained in:
Brian Behlendorf
2021-04-11 21:49:13 -07:00
committed by Tony Hutter
parent f831d1377f
commit 0839934d84
5 changed files with 21 additions and 3 deletions
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man/man5/zfs-module-parameters.5
+13
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@@ -1370,6 +1370,19 @@ to throttle vdev removal speed.
Default value: \fB0\fR (no throttle).
.RE
.sp
.ne 2
.na
\fBzfs_condense_indirect_obsolete_pct\fR (int)
.ad
.RS 12n
Minimum percent of obsolete bytes in vdev mapping required to attempt to
condense (see \fBzfs_condense_indirect_vdevs_enable\fR). Intended for use
with the test suite to facilitate triggering condensing as needed.
.sp
Default value: \fB25\fR%.
.RE
.sp
.ne 2
.na