fix compaction detection
fix compaction detection

dkao-cb/perfrunner,pavel-paulau/perfrunner,couchbase/perfrunner,EricACooper/perfrunner,couchbase/perfrunner,vmx/perfrunner,thomas-couchbase/perfrunner,mikewied/perfrunner,pavel-paulau/perfrunner,PaintScratcher/perfrunner,mikewied/perfrunner,vmx/perfrunner,couchbase/perfrunner,pavel-paulau/perfrunner,pavel-paulau/perfrunner,dkao-cb/perfrunner,PaintScratcher/perfrunner,EricACooper/perfrunner,pavel-paulau/perfrunner,thomas-couchbase/perfrunner,EricACooper/perfrunner,hsharsha/perfrunner,couchbase/perfrunner,couchbase/perfrunner,couchbase/perfrunner,EricACooper/perfrunner,hsharsha/perfrunner