[pve-devel] [PATCH pve-doc 2/5] ZFS RAM usage more precise.
Wolfgang Link
w.link at proxmox.com
Mon Oct 3 09:28:56 CEST 2016
---
pve-installation.adoc | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/pve-installation.adoc b/pve-installation.adoc
index 032fd51..485f077 100644
--- a/pve-installation.adoc
+++ b/pve-installation.adoc
@@ -135,8 +135,8 @@ required for lvmthin snapshots).
ZFS Performance Tips
^^^^^^^^^^^^^^^^^^^^
-ZFS uses a lot of memory, so it is best to add additional 8-16GB RAM
-if you want to use ZFS.
+ZFS uses a lot of memory, a good calculation is 4GB plus 1GB RAM
+for each TB RAW disk space if you want to use ZFS.
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
--
2.1.4
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