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add hint about ZFS default ARC size

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Dietmar Maurer 2016-09-12 10:49:56 +02:00
parent 8c80c3fc31
commit d362b7f479
1 changed files with 4 additions and 3 deletions
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local-zfs.adoc
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@ -276,9 +276,10 @@ other settings are optional.
Limit ZFS memory usage
~~~~~~~~~~~~~~~~~~~~~~
It is good to use max 50 percent of the system memory for ZFS arc to
prevent performance shortage of the host. Use your preferred editor to
change the configuration in /etc/modprobe.d/zfs.conf and insert:
It is good to use maximal 50 percent (which is the default) of the
system memory for ZFS ARC to prevent performance shortage of the
host. Use your preferred editor to change the configuration in
/etc/modprobe.d/zfs.conf and insert:
options zfs zfs_arc_max=8589934592