Q:

Identify slow solr queries

There are some queries that run very slow on my setup. Is there an easy way to identify and collect them (maybe through logs, or the admin console), so that I can do some performance analysis later on?

A:

yes, very easy in the logs, look at a sample line
INFO: [core0] webapp=/solr path=/select/ params={indent=on&start=0&q=*:*&version=2.2&rows=10} hits=1074 status=0 QTime=1 

You need to look at Qtime

