From 9477bd691aeee7518a7ec7557c391e3bca5c5cad Mon Sep 17 00:00:00 2001 From: Stanislav Malyshev Date: Wed, 20 Nov 2024 09:15:12 -0700 Subject: [PATCH] Fix long metric deserialize & add - auto-resize needs to be set manually (#117105) * Fix long metric deserialize & add - auto-resize needs to be set manually --- docs/changelog/117105.yaml | 6 +++++ .../admin/cluster/stats/LongMetric.java | 1 + .../stats/CCSTelemetrySnapshotTests.java | 24 ++++++++++++++++++- 3 files changed, 30 insertions(+), 1 deletion(-) create mode 100644 docs/changelog/117105.yaml diff --git a/docs/changelog/117105.yaml b/docs/changelog/117105.yaml new file mode 100644 index 0000000000000..de56c4d521a62 --- /dev/null +++ b/docs/changelog/117105.yaml @@ -0,0 +1,6 @@ +pr: 117105 +summary: Fix long metric deserialize & add - auto-resize needs to be set manually +area: CCS +type: bug +issues: + - 116914 diff --git a/server/src/main/java/org/elasticsearch/action/admin/cluster/stats/LongMetric.java b/server/src/main/java/org/elasticsearch/action/admin/cluster/stats/LongMetric.java index 737e83d4b30a1..07d9c11ae4c07 100644 --- a/server/src/main/java/org/elasticsearch/action/admin/cluster/stats/LongMetric.java +++ b/server/src/main/java/org/elasticsearch/action/admin/cluster/stats/LongMetric.java @@ -74,6 +74,7 @@ public static LongMetricValue fromStream(StreamInput in) throws IOException { try { // TODO: not sure what is the good value for minBarForHighestToLowestValueRatio here? Histogram dh = Histogram.decodeFromCompressedByteBuffer(bb, 1); + dh.setAutoResize(true); return new LongMetricValue(dh); } catch (DataFormatException e) { throw new IOException(e); diff --git a/server/src/test/java/org/elasticsearch/action/admin/cluster/stats/CCSTelemetrySnapshotTests.java b/server/src/test/java/org/elasticsearch/action/admin/cluster/stats/CCSTelemetrySnapshotTests.java index e9188d9cb8f0d..a72630c327ea2 100644 --- a/server/src/test/java/org/elasticsearch/action/admin/cluster/stats/CCSTelemetrySnapshotTests.java +++ b/server/src/test/java/org/elasticsearch/action/admin/cluster/stats/CCSTelemetrySnapshotTests.java @@ -12,6 +12,7 @@ import org.elasticsearch.action.admin.cluster.stats.CCSTelemetrySnapshot.PerClusterCCSTelemetry; import org.elasticsearch.action.admin.cluster.stats.LongMetric.LongMetricValue; import org.elasticsearch.common.bytes.BytesArray; +import org.elasticsearch.common.io.stream.BytesStreamOutput; import org.elasticsearch.common.io.stream.Writeable; import org.elasticsearch.common.xcontent.XContentHelper; import org.elasticsearch.core.Tuple; @@ -32,9 +33,13 @@ public class CCSTelemetrySnapshotTests extends AbstractWireSerializingTestCase { private LongMetricValue randomLongMetricValue() { + return randomLongMetricValueBetween(0, 1_000_000); + } + + private LongMetricValue randomLongMetricValueBetween(int low, int high) { LongMetric v = new LongMetric(); for (int i = 0; i < randomIntBetween(5, 10); i++) { - v.record(randomIntBetween(0, 1_000_000)); + v.record(randomIntBetween(low, high)); } return v.getValue(); } @@ -330,4 +335,21 @@ private String readJSONFromResource(String fileName) throws IOException { return new String(inputStream.readAllBytes(), StandardCharsets.UTF_8); } } + + public void testRanges() throws IOException { + var value1 = randomLongMetricValueBetween(1_000_000, 10_000_000); + var count1 = value1.count(); + var max1 = value1.max(); + var output = new BytesStreamOutput(); + value1.writeTo(output); + var value1Read = LongMetricValue.fromStream(output.bytes().streamInput()); + var value2 = randomLongMetricValueBetween(0, 100); + var count2 = value2.count(); + output = new BytesStreamOutput(); + value2.writeTo(output); + var value2Read = LongMetricValue.fromStream(output.bytes().streamInput()); + value2Read.add(value1Read); + assertThat(value2Read.count(), equalTo(count1 + count2)); + assertThat(value2Read.max(), equalTo(max1)); + } }