dd note about indexing queryid's

diff --git a/doc/man/man5/slapo-pcache.5 b/doc/man/man5/slapo-pcache.5
index ec96b17d77baa61f3f0d7911ea58345218892866..66891d3de28ebea150c677dd749cb9fb2ba67c15 100644 (file)
--- a/doc/man/man5/slapo-pcache.5
+++ b/doc/man/man5/slapo-pcache.5
@@ -139,7 +139,10 @@ cachesize 100
 .fi
 .RE
 .LP
-Any valid directives for the chosen database type may be used.
+Any valid directives for the chosen database type may be used. Indexing
+should be used as appropriate for the queries being handled. In addition,
+an equality index on the \fBqueryid\fP attribute should be configured, to
+assist in the removal of expired query data.
 .SH CAVEATS
 Caching data is prone to inconsistencies because updates on the remote server
 will not be reflected in the response of the cache at least (and at most)