ZFS RAM usage more precise.

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Wolfgang Link 2016-10-03 09:28:56 +02:00 committed by Dietmar Maurer
parent 7e71ae2e8d
commit cdf58596f8

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@ -135,8 +135,9 @@ required for lvmthin snapshots).
ZFS Performance Tips ZFS Performance Tips
^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^
ZFS uses a lot of memory, so it is best to add additional 8-16GB RAM ZFS uses a lot of memory, so it is best to add additional RAM if you
if you want to use ZFS. want to use ZFS. A good calculation is 4GB plus 1GB RAM for each TB
RAW disk space.
ZFS also provides the feature to use a fast SSD drive as write cache. The ZFS also provides the feature to use a fast SSD drive as write cache. The
write cache is called the ZFS Intent Log (ZIL). You can add that after write cache is called the ZFS Intent Log (ZIL). You can add that after