func queryAndDelete(db storage.Engine, points, series int) {
// query the database
startCount := points / series / 4
endCount := points * 3 / series / 4
total := 0
var d time.Duration
for series -= 1; series >= 0; series-- {
count := 0
var delStart []byte
var delEnd []byte
query(db, int64(series), func(itr storage.Iterator) {
count++
if count == startCount {
delStart = itr.Key()
}
if count == endCount-1 {
delEnd = itr.Key()
total += endCount - startCount
}
})
start := time.Now()
err := db.Del(delStart, delEnd)
if err != nil {
panic(err)
}
d += time.Now().Sub(start)
}
fmt.Printf("Took %s to delete %d points\n", d, total)
start := time.Now()
db.Compact()
fmt.Printf("Took %s to compact\n", time.Now().Sub(start))
}
