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Remove test
Signed-off-by: Patryk Prus <p@trykpr.us>
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f3b51c343d
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@ -886,105 +886,6 @@ func TestHead_KeepSeriesInWALCheckpoint(t *testing.T) {
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}
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}
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func TestHead_WALMultiRef_Checkpoint(t *testing.T) {
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head, w := newTestHead(t, 10000, wlog.CompressionNone, false)
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require.NoError(t, head.Init(0))
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// Write a sample.
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app := head.Appender(context.Background())
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ref1, err := app.Append(0, labels.FromStrings("foo", "bar"), 100, 1)
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require.NoError(t, err)
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require.NoError(t, app.Commit())
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// Truncate head to remove first series entirely.
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require.NoError(t, head.Truncate(500))
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// Write another sample -- will create a new series ID.
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app = head.Appender(context.Background())
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ref2, err := app.Append(0, labels.FromStrings("foo", "bar"), 600, 2)
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require.NoError(t, err)
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require.NoError(t, app.Commit())
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require.NotEqual(t, ref1, ref2, "refs should be different")
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// Start a new WAL segment so we can checkpoint the series entry separately from future samples.
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seg, err := w.NextSegment()
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require.NoError(t, err)
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require.Equal(t, 2, seg)
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// Write another sample -- will be written using the new series ID.
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app = head.Appender(context.Background())
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ref3, err := app.Append(0, labels.FromStrings("foo", "bar"), 1000, 3)
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require.NoError(t, err)
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require.NoError(t, app.Commit())
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require.Equal(t, ref2, ref3, "refs should be the same")
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// Close and re-open head (simulated restart).
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require.NoError(t, head.Close())
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w, err = wlog.NewSize(nil, nil, w.Dir(), 32768, wlog.CompressionNone)
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require.NoError(t, err)
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head, err = NewHead(nil, nil, w, nil, head.opts, nil)
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require.NoError(t, err)
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require.NoError(t, head.Init(500))
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// WAL replay will use the original series ID for all samples in the WAL, as well
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// as any new samples for the series written after replay.
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// Write another sample -- will be written using the original series ID.
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app = head.Appender(context.Background())
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ref4, err := app.Append(0, labels.FromStrings("foo", "bar"), 1500, 4)
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require.NoError(t, err)
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require.NoError(t, app.Commit())
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require.Equal(t, ref1, ref4, "refs should be the same")
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// At this point the WAL is:
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// - segment 0:
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// - series 1 record
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// - series 1 sample @ 100
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// - segment 1:
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// - series 2 record
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// - series 2 sample @ 600
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// - segment 2:
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// - series 2 sample @ 1000
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// - segment 3:
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// - series 1 sample @ 1500
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// Truncate head again
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require.NoError(t, head.Truncate(700))
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// Ensure a checkpoint was created.
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_, chkidx, err := wlog.LastCheckpoint(w.Dir())
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require.NoError(t, err)
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require.Equal(t, 1, chkidx)
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// Close and re-open head again (simulated restart).
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require.NoError(t, head.Close())
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w, err = wlog.NewSize(nil, nil, w.Dir(), 32768, wlog.CompressionNone)
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require.NoError(t, err)
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head, err = NewHead(nil, nil, w, nil, head.opts, nil)
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require.NoError(t, err)
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require.NoError(t, head.Init(700))
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defer func() {
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require.NoError(t, head.Close())
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}()
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q, err := NewBlockQuerier(head, 0, 1600)
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require.NoError(t, err)
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series := query(t, q, labels.MustNewMatcher(labels.MatchEqual, "foo", "bar"))
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// We expect only the samples after the truncation.
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require.Equal(t, map[string][]chunks.Sample{`{foo="bar"}`: {
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sample{1000, 3, nil, nil},
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sample{1500, 4, nil, nil},
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}}, series)
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}
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func TestHead_ActiveAppenders(t *testing.T) {
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head, _ := newTestHead(t, 1000, wlog.CompressionNone, false)
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defer head.Close()
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