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Change the default 'zfs_dedup_prefetch' value to '0'

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This gives a huge performance improvement in operations with deduped
datasets especially when the bottleneck is the amount of ram
available for zfs.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2639
This commit is contained in:
Alexey Smirnoff
2014-08-30 09:13:26 +07:00
committed by Brian Behlendorf
parent 287be44f53
commit 0dfc732416
2 changed files with 2 additions and 2 deletions
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man/man5/zfs-module-parameters.5
+1 -1
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@@ -503,7 +503,7 @@ Default value: \fB1,000,000\fR.
.RS 12n
Enable prefetching dedup-ed blks
.sp
Use \fB1\fR for yes (default) and \fB0\fR to disable.
Use \fB1\fR for yes and \fB0\fR to disable (default).
.RE
.sp