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Don't scale zfs_zevent_len_max by CPU count

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The lower bound for this scaling to too low and the upper bound is too
high.  Use a fixed default length of 512 instead, which is a reasonable
value on any system.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #11822
This commit is contained in:
Ryan Moeller
2021-03-31 13:56:37 -04:00
committed by Tony Hutter
parent 67819ea28d
commit d9bcadc6ba
2 changed files with 5 additions and 9 deletions
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module/zfs/fm.c
+1 -4
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@@ -70,7 +70,7 @@
#include <sys/time.h>
#include <sys/zfs_ioctl.h>
int zfs_zevent_len_max = 0;
int zfs_zevent_len_max = 512;
int zfs_zevent_cols = 80;
int zfs_zevent_console = 0;
@@ -1621,9 +1621,6 @@ fm_init(void)
zevent_len_cur = 0;
zevent_flags = 0;
if (zfs_zevent_len_max == 0)
zfs_zevent_len_max = ERPT_MAX_ERRS * MAX(max_ncpus, 4);
/* Initialize zevent allocation and generation kstats */
fm_ksp = kstat_create("zfs", 0, "fm", "misc", KSTAT_TYPE_NAMED,
sizeof (struct erpt_kstat) / sizeof (kstat_named_t),