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[Remote Store] Add remote segment transfer stats on NodesStats API (#…
…9168) --------- Signed-off-by: Shourya Dutta Biswas <114977491+shourya035@users.noreply.github.com>
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...ternalClusterTest/java/org/opensearch/remotestore/RemoteSegmentStatsFromNodesStatsIT.java
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| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| */ | ||
|
|
||
| package org.opensearch.remotestore; | ||
|
|
||
| import org.junit.Before; | ||
| import org.opensearch.action.admin.cluster.node.stats.NodesStatsResponse; | ||
| import org.opensearch.action.admin.cluster.remotestore.stats.RemoteStoreStatsResponse; | ||
| import org.opensearch.action.admin.indices.stats.CommonStatsFlags; | ||
| import org.opensearch.common.settings.Settings; | ||
| import org.opensearch.index.remote.RemoteSegmentStats; | ||
| import org.opensearch.test.OpenSearchIntegTestCase; | ||
|
|
||
| import java.util.concurrent.TimeUnit; | ||
|
|
||
| @OpenSearchIntegTestCase.ClusterScope(scope = OpenSearchIntegTestCase.Scope.TEST, numDataNodes = 0) | ||
| public class RemoteSegmentStatsFromNodesStatsIT extends RemoteStoreBaseIntegTestCase { | ||
| private static final String INDEX_NAME = "remote-index-1"; | ||
| private static final int DATA_NODE_COUNT = 2; | ||
| private static final int CLUSTER_MANAGER_NODE_COUNT = 3; | ||
|
|
||
| @Before | ||
| public void setup() { | ||
| setupCustomCluster(); | ||
| setupRepo(false); | ||
| } | ||
|
|
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| private void setupCustomCluster() { | ||
| internalCluster().startClusterManagerOnlyNodes(CLUSTER_MANAGER_NODE_COUNT); | ||
| internalCluster().startDataOnlyNodes(DATA_NODE_COUNT); | ||
| ensureStableCluster(DATA_NODE_COUNT + CLUSTER_MANAGER_NODE_COUNT); | ||
| } | ||
|
|
||
| /** | ||
| * - Creates two indices with single primary shard, pinned to a single node. | ||
| * - Index documents in both of them and forces a fresh for both | ||
| * - Polls the _remotestore/stats API for individual index level stats | ||
| * - Adds up requisite fields from the API output, repeats this for the 2nd index | ||
| * - Polls _nodes/stats and verifies that the total values at node level adds up | ||
| * to the values capture in the previous step | ||
| */ | ||
| public void testNodesStatsParityWithOnlyPrimaryShards() { | ||
| String[] dataNodes = internalCluster().getDataNodeNames().toArray(String[]::new); | ||
| String randomDataNode = dataNodes[randomIntBetween(0, dataNodes.length - 1)]; | ||
| String firstIndex = INDEX_NAME + "1"; | ||
| String secondIndex = INDEX_NAME + "2"; | ||
|
|
||
| // Create first index | ||
| createIndex( | ||
| firstIndex, | ||
| Settings.builder().put(remoteStoreIndexSettings(0, 1)).put("index.routing.allocation.require._name", randomDataNode).build() | ||
| ); | ||
| ensureGreen(firstIndex); | ||
| indexSingleDoc(firstIndex, true); | ||
|
|
||
| // Create second index | ||
| createIndex( | ||
| secondIndex, | ||
| Settings.builder().put(remoteStoreIndexSettings(0, 1)).put("index.routing.allocation.require._name", randomDataNode).build() | ||
| ); | ||
| ensureGreen(secondIndex); | ||
| indexSingleDoc(secondIndex, true); | ||
|
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||
| long cumulativeUploadsSucceeded = 0, cumulativeUploadsStarted = 0, cumulativeUploadsFailed = 0; | ||
| long max_bytes_lag = 0, max_time_lag = 0; | ||
| // Fetch upload stats | ||
| RemoteStoreStatsResponse remoteStoreStatsFirstIndex = client(randomDataNode).admin() | ||
| .cluster() | ||
| .prepareRemoteStoreStats(firstIndex, "0") | ||
| .setLocal(true) | ||
| .get(); | ||
| cumulativeUploadsSucceeded += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getStats().uploadBytesSucceeded; | ||
| cumulativeUploadsStarted += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getStats().uploadBytesStarted; | ||
| cumulativeUploadsFailed += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getStats().uploadBytesFailed; | ||
| max_bytes_lag = Math.max(max_bytes_lag, remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getStats().bytesLag); | ||
| max_time_lag = Math.max(max_time_lag, remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getStats().refreshTimeLagMs); | ||
|
|
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| RemoteStoreStatsResponse remoteStoreStatsSecondIndex = client(randomDataNode).admin() | ||
| .cluster() | ||
| .prepareRemoteStoreStats(secondIndex, "0") | ||
| .setLocal(true) | ||
| .get(); | ||
| cumulativeUploadsSucceeded += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getStats().uploadBytesSucceeded; | ||
| cumulativeUploadsStarted += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getStats().uploadBytesStarted; | ||
| cumulativeUploadsFailed += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getStats().uploadBytesFailed; | ||
| max_bytes_lag = Math.max(max_bytes_lag, remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getStats().bytesLag); | ||
| max_time_lag = Math.max(max_time_lag, remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getStats().refreshTimeLagMs); | ||
|
|
||
| // Fetch nodes stats | ||
| NodesStatsResponse nodesStatsResponse = client().admin() | ||
| .cluster() | ||
| .prepareNodesStats(randomDataNode) | ||
| .setIndices(new CommonStatsFlags().set(CommonStatsFlags.Flag.Segments, true)) | ||
| .get(); | ||
| RemoteSegmentStats remoteSegmentStats = nodesStatsResponse.getNodes().get(0).getIndices().getSegments().getRemoteSegmentStats(); | ||
| assertEquals(cumulativeUploadsSucceeded, remoteSegmentStats.getUploadBytesSucceeded()); | ||
| assertEquals(cumulativeUploadsStarted, remoteSegmentStats.getUploadBytesStarted()); | ||
| assertEquals(cumulativeUploadsFailed, remoteSegmentStats.getUploadBytesFailed()); | ||
| assertEquals(max_bytes_lag, remoteSegmentStats.getMaxRefreshBytesLag()); | ||
| assertEquals(max_time_lag, remoteSegmentStats.getMaxRefreshTimeLag()); | ||
| } | ||
|
|
||
| /** | ||
| * - Creates two indices with single primary shard and single replica | ||
| * - Index documents in both of them and forces a fresh for both | ||
| * - Polls the _remotestore/stats API for individual index level stats | ||
| * - Adds up requisite fields from the API output for both indices | ||
| * - Polls _nodes/stats and verifies that the total values at node level adds up | ||
| * to the values capture in the previous step | ||
| * - Repeats the above 3 steps for the second node | ||
| */ | ||
| public void testNodesStatsParityWithReplicaShards() throws Exception { | ||
| String firstIndex = INDEX_NAME + "1"; | ||
| String secondIndex = INDEX_NAME + "2"; | ||
|
|
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| createIndex(firstIndex, Settings.builder().put(remoteStoreIndexSettings(1, 1)).build()); | ||
| ensureGreen(firstIndex); | ||
| indexSingleDoc(firstIndex, true); | ||
|
|
||
| // Create second index | ||
| createIndex(secondIndex, Settings.builder().put(remoteStoreIndexSettings(1, 1)).build()); | ||
| ensureGreen(secondIndex); | ||
| indexSingleDoc(secondIndex, true); | ||
|
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| assertBusy(() -> assertNodeStatsParityAcrossNodes(firstIndex, secondIndex), 15, TimeUnit.SECONDS); | ||
| } | ||
|
|
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| /** | ||
| * Ensures that node stats shows 0 values for dedicated cluster manager nodes | ||
| * since cluster manager nodes does not participate in indexing | ||
| */ | ||
| public void testZeroRemoteStatsOnNodesStatsForClusterManager() { | ||
| createIndex(INDEX_NAME, remoteStoreIndexSettings(0)); | ||
| ensureGreen(INDEX_NAME); | ||
| indexSingleDoc(INDEX_NAME); | ||
| refresh(INDEX_NAME); | ||
| NodesStatsResponse nodesStatsResponseForClusterManager = client().admin() | ||
| .cluster() | ||
| .prepareNodesStats(internalCluster().getClusterManagerName()) | ||
| .setIndices(new CommonStatsFlags().set(CommonStatsFlags.Flag.Segments, true)) | ||
| .get(); | ||
| assertTrue( | ||
| nodesStatsResponseForClusterManager.getNodes().get(0).getNode().isClusterManagerNode() | ||
| && !nodesStatsResponseForClusterManager.getNodes().get(0).getNode().isDataNode() | ||
| ); | ||
| assertZeroRemoteSegmentStats( | ||
| nodesStatsResponseForClusterManager.getNodes().get(0).getIndices().getSegments().getRemoteSegmentStats() | ||
| ); | ||
| NodesStatsResponse nodesStatsResponseForDataNode = client().admin() | ||
| .cluster() | ||
| .prepareNodesStats(primaryNodeName(INDEX_NAME)) | ||
| .setIndices(new CommonStatsFlags().set(CommonStatsFlags.Flag.Segments, true)) | ||
| .get(); | ||
| assertTrue(nodesStatsResponseForDataNode.getNodes().get(0).getNode().isDataNode()); | ||
| RemoteSegmentStats remoteSegmentStats = nodesStatsResponseForDataNode.getNodes() | ||
| .get(0) | ||
| .getIndices() | ||
| .getSegments() | ||
| .getRemoteSegmentStats(); | ||
| assertTrue(remoteSegmentStats.getUploadBytesStarted() > 0); | ||
| assertTrue(remoteSegmentStats.getUploadBytesSucceeded() > 0); | ||
| } | ||
|
|
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| private void assertZeroRemoteSegmentStats(RemoteSegmentStats remoteSegmentStats) { | ||
| assertEquals(0, remoteSegmentStats.getUploadBytesStarted()); | ||
| assertEquals(0, remoteSegmentStats.getUploadBytesSucceeded()); | ||
| assertEquals(0, remoteSegmentStats.getUploadBytesFailed()); | ||
| assertEquals(0, remoteSegmentStats.getDownloadBytesStarted()); | ||
| assertEquals(0, remoteSegmentStats.getDownloadBytesSucceeded()); | ||
| assertEquals(0, remoteSegmentStats.getDownloadBytesFailed()); | ||
| assertEquals(0, remoteSegmentStats.getMaxRefreshBytesLag()); | ||
| assertEquals(0, remoteSegmentStats.getMaxRefreshTimeLag()); | ||
| } | ||
|
|
||
| private static void assertNodeStatsParityAcrossNodes(String firstIndex, String secondIndex) { | ||
| for (String dataNode : internalCluster().getDataNodeNames()) { | ||
| long cumulativeUploadsSucceeded = 0, cumulativeUploadsStarted = 0, cumulativeUploadsFailed = 0; | ||
| long cumulativeDownloadsSucceeded = 0, cumulativeDownloadsStarted = 0, cumulativeDownloadsFailed = 0; | ||
| long max_bytes_lag = 0, max_time_lag = 0; | ||
| // Fetch upload stats | ||
| RemoteStoreStatsResponse remoteStoreStatsFirstIndex = client(dataNode).admin() | ||
| .cluster() | ||
| .prepareRemoteStoreStats(firstIndex, "0") | ||
| .setLocal(true) | ||
| .get(); | ||
| cumulativeUploadsSucceeded += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getStats().uploadBytesSucceeded; | ||
| cumulativeUploadsStarted += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getStats().uploadBytesStarted; | ||
| cumulativeUploadsFailed += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getStats().uploadBytesFailed; | ||
| cumulativeDownloadsSucceeded += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0] | ||
| .getStats().directoryFileTransferTrackerStats.transferredBytesSucceeded; | ||
| cumulativeDownloadsStarted += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0] | ||
| .getStats().directoryFileTransferTrackerStats.transferredBytesStarted; | ||
| cumulativeDownloadsFailed += remoteStoreStatsFirstIndex.getRemoteStoreStats()[0] | ||
| .getStats().directoryFileTransferTrackerStats.transferredBytesFailed; | ||
| max_bytes_lag = Math.max(max_bytes_lag, remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getStats().bytesLag); | ||
| max_time_lag = Math.max(max_time_lag, remoteStoreStatsFirstIndex.getRemoteStoreStats()[0].getStats().refreshTimeLagMs); | ||
|
|
||
| RemoteStoreStatsResponse remoteStoreStatsSecondIndex = client(dataNode).admin() | ||
| .cluster() | ||
| .prepareRemoteStoreStats(secondIndex, "0") | ||
| .setLocal(true) | ||
| .get(); | ||
| cumulativeUploadsSucceeded += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getStats().uploadBytesSucceeded; | ||
| cumulativeUploadsStarted += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getStats().uploadBytesStarted; | ||
| cumulativeUploadsFailed += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getStats().uploadBytesFailed; | ||
| cumulativeDownloadsSucceeded += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0] | ||
| .getStats().directoryFileTransferTrackerStats.transferredBytesSucceeded; | ||
| cumulativeDownloadsStarted += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0] | ||
| .getStats().directoryFileTransferTrackerStats.transferredBytesStarted; | ||
| cumulativeDownloadsFailed += remoteStoreStatsSecondIndex.getRemoteStoreStats()[0] | ||
| .getStats().directoryFileTransferTrackerStats.transferredBytesFailed; | ||
| max_bytes_lag = Math.max(max_bytes_lag, remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getStats().bytesLag); | ||
| max_time_lag = Math.max(max_time_lag, remoteStoreStatsSecondIndex.getRemoteStoreStats()[0].getStats().refreshTimeLagMs); | ||
|
|
||
| // Fetch nodes stats | ||
| NodesStatsResponse nodesStatsResponse = client().admin() | ||
| .cluster() | ||
| .prepareNodesStats(dataNode) | ||
| .setIndices(new CommonStatsFlags().set(CommonStatsFlags.Flag.Segments, true)) | ||
| .get(); | ||
| RemoteSegmentStats remoteSegmentStats = nodesStatsResponse.getNodes().get(0).getIndices().getSegments().getRemoteSegmentStats(); | ||
| assertEquals(cumulativeUploadsSucceeded, remoteSegmentStats.getUploadBytesSucceeded()); | ||
| assertEquals(cumulativeUploadsStarted, remoteSegmentStats.getUploadBytesStarted()); | ||
| assertEquals(cumulativeUploadsFailed, remoteSegmentStats.getUploadBytesFailed()); | ||
| assertEquals(cumulativeDownloadsSucceeded, remoteSegmentStats.getDownloadBytesSucceeded()); | ||
| assertEquals(cumulativeDownloadsStarted, remoteSegmentStats.getDownloadBytesStarted()); | ||
| assertEquals(cumulativeDownloadsFailed, remoteSegmentStats.getDownloadBytesFailed()); | ||
| assertEquals(max_bytes_lag, remoteSegmentStats.getMaxRefreshBytesLag()); | ||
| assertEquals(max_time_lag, remoteSegmentStats.getMaxRefreshTimeLag()); | ||
| } | ||
| } | ||
| } |
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