ibessonov commented on code in PR #7387:
URL: https://github.com/apache/ignite-3/pull/7387#discussion_r2811886751
##########
modules/page-memory/src/test/java/org/apache/ignite/internal/pagememory/persistence/store/FilePageStoreIoTest.java:
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@@ -113,6 +124,40 @@ void testCheckHeader() throws Exception {
}
}
+ @Test
+ void testIoMetricsRecordedDuringActualFileOperations() throws Exception {
+ Path testFilePath = workDir.resolve("test");
+
+ CollectionMetricSource ioMetricSource = new
CollectionMetricSource("testPageStoreIo", "storage", "Page memory I/O metrics");
+ PageMemoryIoMetrics ioMetrics = new
PageMemoryIoMetrics(ioMetricSource);
+ MetricSet metricSet = ioMetricSource.enable();
+
+ long pageId = pageId(0, FLAG_DATA, 0);
+
+ try (FilePageStoreIo filePageStoreIo =
createFilePageStoreIo(testFilePath, ioMetrics)) {
+ // Verify metrics start at zero
+ assertMetricValue(metricSet, PageMemoryIoMetrics.TOTAL_BYTES_READ,
0L);
+ assertMetricValue(metricSet,
PageMemoryIoMetrics.TOTAL_BYTES_WRITTEN, 0L);
+
+ // Perform write operation
+ ByteBuffer writeBuffer = createPageByteBuffer(pageId, PAGE_SIZE);
+ filePageStoreIo.write(pageId, writeBuffer);
Review Comment:
I see, my mistake
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