Function TestMemSeriesIsolation

tsdb/head_test.go:3104–3278

(t *testing.T)

}

func TestMemSeriesIsolation(t *testing.T) {
	if defaultIsolationDisabled {
		t.Skip("skipping test since tsdb isolation is disabled")
	}

	// Put a series, select it. GC it and then access it.
	lastValue := func(h *Head, maxAppendID uint64) int {
		idx, err := h.Index()

		require.NoError(t, err)

		iso := h.iso.State(math.MinInt64, math.MaxInt64)
		iso.maxAppendID = maxAppendID

		chunks, err := h.chunksRange(math.MinInt64, math.MaxInt64, iso)
		require.NoError(t, err)
		// Hm.. here direct block chunk querier might be required?
		querier := blockQuerier{
			blockBaseQuerier: &blockBaseQuerier{
				index:      idx,
				chunks:     chunks,
				tombstones: tombstones.NewMemTombstones(),

				mint: 0,
				maxt: 10000,
			},
		}

		require.NoError(t, err)
		defer querier.Close()

		ss := querier.Select(context.Background(), false, nil, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
		_, seriesSet, ws, err := expandSeriesSet(ss)
		require.NoError(t, err)
		require.Empty(t, ws)

		for _, series := range seriesSet {
			return int(series[len(series)-1].f)
		}
		return -1
	}

	addSamples := func(h *Head) int {
		i := 1
		for ; i <= 1000; i++ {
			var app storage.Appender
			// To initialize bounds.
			if h.MinTime() == math.MaxInt64 {
				app = &initAppender{head: h}
			} else {
				a := h.appender()
				a.cleanupAppendIDsBelow = 0
				app = a
			}

			_, err := app.Append(0, labels.FromStrings("foo", "bar"), int64(i), float64(i))
			require.NoError(t, err)
			require.NoError(t, app.Commit())