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Upgraded to t-digest 3.3. #3634

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merged 8 commits into from
Jun 24, 2022
Merged

Upgraded to t-digest 3.3. #3634

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89125fc
Upgraded to t-digest 3.3.
dblock Jun 20, 2022
3c20434
Remove centroid count assertion.
dblock Jun 20, 2022
564aa43
The number of centroids is defined as <= the number of samples inserted.
dblock Jun 21, 2022
37651e9
Updated percentiles generated by t-digest 3.3.
dblock Jun 21, 2022
6b03882
The number of centroids is defined as <= the number of samples inserted.
dblock Jun 21, 2022
bb9e8f2
Fixed more unit tests.
dblock Jun 21, 2022
78e4c08
Experimenting with flipping these back?
dblock Jun 21, 2022
83be47b
Select a 2.x vs. a 3.x node with predictable results.
dblock Jun 22, 2022
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Fixed more unit tests. 
Signed-off-by: dblock <dblock@dblock.org>
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@dblock
dblock committed Jun 21, 2022
commit bb9e8f2076d1063e9431e19a722841ae81642620
14 changes: 8 additions & 6 deletions ...st/java/org/opensearch/search/aggregations/metrics/TDigestPercentilesAggregatorTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -105,8 +105,10 @@ public void testSomeMatchesSortedNumericDocValues() throws IOException {
}, tdigest -> {
assertEquals(7L, tdigest.state.size());
assertEquals(7L, tdigest.state.centroidCount());
assertEquals(4.5d, tdigest.percentile(75), 0.0d);
assertEquals("4.5", tdigest.percentileAsString(75));
assertEquals(5.0d, tdigest.percentile(75), 0.0d);
assertEquals("5.0", tdigest.percentileAsString(75));
assertEquals(3.0d, tdigest.percentile(71), 0.0d);
assertEquals("3.0", tdigest.percentileAsString(71));
assertEquals(2.0d, tdigest.percentile(50), 0.0d);
assertEquals("2.0", tdigest.percentileAsString(50));
assertEquals(1.0d, tdigest.percentile(22), 0.0d);
Expand All @@ -126,11 +128,11 @@ public void testSomeMatchesNumericDocValues() throws IOException {
iw.addDocument(singleton(new NumericDocValuesField("number", 0)));
}, tdigest -> {
assertEquals(tdigest.state.size(), 7L);
assertEquals(tdigest.state.centroidCount(), 7L);
assertTrue(tdigest.state.centroidCount() <= 7L);
assertEquals(8.0d, tdigest.percentile(100), 0.0d);
assertEquals("8.0", tdigest.percentileAsString(100));
assertEquals(6.98d, tdigest.percentile(88), 0.0d);
assertEquals("6.98", tdigest.percentileAsString(88));
assertEquals(8.0d, tdigest.percentile(88), 0.0d);
assertEquals("8.0", tdigest.percentileAsString(88));
assertEquals(1.0d, tdigest.percentile(33), 0.0d);
assertEquals("1.0", tdigest.percentileAsString(33));
assertEquals(1.0d, tdigest.percentile(25), 0.0d);
Expand All @@ -157,7 +159,7 @@ public void testQueryFiltering() throws IOException {
assertEquals(4L, tdigest.state.centroidCount());
assertEquals(2.0d, tdigest.percentile(100), 0.0d);
assertEquals(1.0d, tdigest.percentile(50), 0.0d);
assertEquals(0.5d, tdigest.percentile(25), 0.0d);
assertEquals(1.0d, tdigest.percentile(25), 0.0d);
assertTrue(AggregationInspectionHelper.hasValue(tdigest));
});

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