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Explain 'zfs list -t snap -o name -s name' speedup 

Commit 0cee240 from FreeBSD dramatically speeds up 'zfs list'
performance assuming you're only interested in the dataset
names.  This optimization should be mentioned in the man page
to allow end users to take advantage of it.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1847
This commit is contained in:
Bassu 2013-11-09 02:16:38 +05:00 committed by Brian Behlendorf
parent 760ec997df
commit 7a4f54688e
1 changed files with 1 additions and 1 deletions
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man/man8/zfs.8
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@ -1810,7 +1810,7 @@ Recursively rename the snapshots of all descendent datasets. Snapshots are the o
.ad .ad
.sp .6 .sp .6
.RS 4n .RS 4n
Lists the property information for the given datasets in tabular form. If specified, you can list property information by the absolute pathname or the relative pathname. By default, all file systems and volumes are displayed. Snapshots are displayed if the \fBlistsnaps\fR property is \fBon\fR (the default is \fBoff\fR) . The following fields are displayed, \fBname,used,available,referenced,mountpoint\fR. Lists the property information for the given datasets in tabular form. If specified, you can list property information by the absolute pathname or the relative pathname. By default, all file systems and volumes are displayed. Snapshots are displayed if the \fBlistsnaps\fR property is \fBon\fR (the default is \fBoff\fR). When listing hundreds or thousands of snapshots performance can be improved by restricting the output to only the name. In that case, it is recommended to use \fB-o name -s name\fR. The following fields are displayed by default, \fBname,used,available,referenced,mountpoint\fR.
.sp .sp
.ne 2 .ne 2
.mk .mk