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95 changes: 95 additions & 0 deletions
95
paimon-core/src/main/java/org/apache/paimon/operation/metrics/ScanMetrics.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package org.apache.paimon.operation.metrics; | ||
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| import org.apache.paimon.annotation.VisibleForTesting; | ||
| import org.apache.paimon.metrics.Histogram; | ||
| import org.apache.paimon.metrics.MetricGroup; | ||
| import org.apache.paimon.metrics.MetricRegistry; | ||
|
|
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| /** Metrics to measure scan operation. */ | ||
| public class ScanMetrics { | ||
| private static final int HISTOGRAM_WINDOW_SIZE = 10_000; | ||
| @VisibleForTesting protected static final String GROUP_NAME = "scan"; | ||
| private final MetricGroup metricGroup; | ||
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| public ScanMetrics(MetricRegistry registry, String tableName) { | ||
| this.metricGroup = registry.tableMetricGroup(GROUP_NAME, tableName); | ||
| registerGenericScanMetrics(); | ||
| } | ||
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| @VisibleForTesting | ||
| public MetricGroup getMetricGroup() { | ||
| return metricGroup; | ||
| } | ||
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| private Histogram durationHistogram; | ||
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| private ScanStats latestScan; | ||
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| @VisibleForTesting static final String LAST_SCAN_DURATION = "lastScanDuration"; | ||
| @VisibleForTesting static final String SCAN_DURATION = "scanDuration"; | ||
| @VisibleForTesting static final String LAST_SCANNED_MANIFESTS = "lastScannedManifests"; | ||
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| @VisibleForTesting | ||
| static final String LAST_SKIPPED_BY_PARTITION_AND_STATS = "lastSkippedByPartitionAndStats"; | ||
|
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| @VisibleForTesting | ||
| static final String LAST_SKIPPED_BY_BUCKET_AND_LEVEL_FILTER = | ||
| "lastSkippedByBucketAndLevelFilter"; | ||
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| @VisibleForTesting | ||
| static final String LAST_SKIPPED_BY_WHOLE_BUCKET_FILES_FILTER = | ||
| "lastSkippedByWholeBucketFilesFilter"; | ||
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| @VisibleForTesting | ||
| static final String LAST_SCAN_SKIPPED_TABLE_FILES = "lastScanSkippedTableFiles"; | ||
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| @VisibleForTesting | ||
| static final String LAST_SCAN_RESULTED_TABLE_FILES = "lastScanResultedTableFiles"; | ||
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| private void registerGenericScanMetrics() { | ||
| metricGroup.gauge( | ||
| LAST_SCAN_DURATION, () -> latestScan == null ? 0L : latestScan.getDuration()); | ||
| durationHistogram = metricGroup.histogram(SCAN_DURATION, HISTOGRAM_WINDOW_SIZE); | ||
| metricGroup.gauge( | ||
| LAST_SCANNED_MANIFESTS, | ||
| () -> latestScan == null ? 0L : latestScan.getScannedManifests()); | ||
| metricGroup.gauge( | ||
| LAST_SKIPPED_BY_PARTITION_AND_STATS, | ||
| () -> latestScan == null ? 0L : latestScan.getSkippedByPartitionAndStats()); | ||
| metricGroup.gauge( | ||
| LAST_SKIPPED_BY_BUCKET_AND_LEVEL_FILTER, | ||
| () -> latestScan == null ? 0L : latestScan.getSkippedByBucketAndLevelFilter()); | ||
| metricGroup.gauge( | ||
| LAST_SKIPPED_BY_WHOLE_BUCKET_FILES_FILTER, | ||
| () -> latestScan == null ? 0L : latestScan.getSkippedByWholeBucketFiles()); | ||
| metricGroup.gauge( | ||
| LAST_SCAN_SKIPPED_TABLE_FILES, | ||
| () -> latestScan == null ? 0L : latestScan.getSkippedTableFiles()); | ||
| metricGroup.gauge( | ||
| LAST_SCAN_RESULTED_TABLE_FILES, | ||
| () -> latestScan == null ? 0L : latestScan.getResultedTableFiles()); | ||
| } | ||
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| public void reportScan(ScanStats scanStats) { | ||
| latestScan = scanStats; | ||
| durationHistogram.update(scanStats.getDuration()); | ||
| } | ||
| } |
87 changes: 87 additions & 0 deletions
87
paimon-core/src/main/java/org/apache/paimon/operation/metrics/ScanStats.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package org.apache.paimon.operation.metrics; | ||
|
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| import org.apache.paimon.annotation.VisibleForTesting; | ||
|
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| /** Statistics for a scan operation. */ | ||
| public class ScanStats { | ||
| private final long duration; | ||
| private final long scannedManifests; | ||
| private final long skippedByPartitionAndStats; | ||
| private final long skippedByBucketAndLevelFilter; | ||
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| private final long skippedByWholeBucketFiles; | ||
| private final long skippedTableFiles; | ||
| private final long resultedTableFiles; | ||
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| public ScanStats( | ||
| long duration, | ||
| long scannedManifests, | ||
| long skippedByPartitionAndStats, | ||
| long skippedByBucketAndLevelFilter, | ||
| long skippedByWholeBucketFiles, | ||
| long resultedTableFiles) { | ||
| this.duration = duration; | ||
| this.scannedManifests = scannedManifests; | ||
| this.skippedByPartitionAndStats = skippedByPartitionAndStats; | ||
| this.skippedByBucketAndLevelFilter = skippedByBucketAndLevelFilter; | ||
| this.skippedByWholeBucketFiles = skippedByWholeBucketFiles; | ||
| this.skippedTableFiles = | ||
| skippedByPartitionAndStats | ||
| + skippedByBucketAndLevelFilter | ||
| + skippedByWholeBucketFiles; | ||
| this.resultedTableFiles = resultedTableFiles; | ||
| } | ||
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| @VisibleForTesting | ||
| protected long getScannedManifests() { | ||
| return scannedManifests; | ||
| } | ||
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| @VisibleForTesting | ||
| protected long getSkippedTableFiles() { | ||
| return skippedTableFiles; | ||
| } | ||
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| @VisibleForTesting | ||
| protected long getResultedTableFiles() { | ||
| return resultedTableFiles; | ||
| } | ||
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| @VisibleForTesting | ||
| protected long getSkippedByPartitionAndStats() { | ||
| return skippedByPartitionAndStats; | ||
| } | ||
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| @VisibleForTesting | ||
| protected long getSkippedByBucketAndLevelFilter() { | ||
| return skippedByBucketAndLevelFilter; | ||
| } | ||
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| @VisibleForTesting | ||
| protected long getSkippedByWholeBucketFiles() { | ||
| return skippedByWholeBucketFiles; | ||
| } | ||
|
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| @VisibleForTesting | ||
| protected long getDuration() { | ||
| return duration; | ||
| } | ||
| } |
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