users/faq: Mention GOMAXPROCS in question about CPU usage

2016-04-29 16:49:16 +02:00
parent 32a16746e5
commit 0c91ae2743
1 changed files with 6 additions and 0 deletions
@@ -134,6 +134,12 @@ causes a certain amount of extra CPU usage to calculate the summary data it
 presents. Note however that once things are *in sync* CPU usage should be
 negligible.

+To limit the amount of CPU used when syncing and scanning, set the
+environment variable ``GOMAXPROCS`` to the maximum number of CPU cores
+Syncthing should use at any given moment. For example, ``GOMAXPROCS=2`` on a
+machine with four cores will limit Syncthing to no more than half the
+system's CPU power.
+
 Should I keep my device IDs secret?
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