Esempio n. 1
0
// fillRange writes keys with the given prefix and associated values
// until bytes bytes have been written.
func fillRange(store *storage.Store, rangeID proto.RangeID, prefix proto.Key, bytes int64, t *testing.T) {
	src := rand.New(rand.NewSource(0))
	for {
		var ms engine.MVCCStats
		if err := engine.MVCCGetRangeStats(store.Engine(), rangeID, &ms); err != nil {
			t.Fatal(err)
		}
		keyBytes, valBytes := ms.KeyBytes, ms.ValBytes
		if keyBytes+valBytes >= bytes {
			return
		}
		key := append(append([]byte(nil), prefix...), randutil.RandBytes(src, 100)...)
		val := randutil.RandBytes(src, int(src.Int31n(1<<8)))
		pArgs := putArgs(key, val, rangeID, store.StoreID())
		pArgs.Timestamp = store.Clock().Now()
		if _, err := store.ExecuteCmd(context.Background(), &pArgs); err != nil {
			t.Fatal(err)
		}
	}
}