sysdb-description.txt: Mention the support for metrics and time-series.

diff --git a/doc/sysdb-description.txt b/doc/sysdb-description.txt
index ea9df3233ff097307528b35713734219e237626e..2f8d7226b39b0f15757c9d2a7612720d4869cb28 100644 (file)
--- a/doc/sysdb-description.txt
+++ b/doc/sysdb-description.txt
@@ -13,6 +13,8 @@ reference a list of services which represent any kind of logical resource like
 a software system. Both, hosts and services, may reference a list of
 attributes which represent further information about the respective host or
 service object. For example, attributes may specify static information like a
-host's architecture or the software version or reference performance data like
-the current memory utilization or much more.
+host's architecture or the software version. A host may also reference a list
+of metrics which are references to performance data stored about the host.
+SysDB supports querying the respective time-series from a backend's data
+store.