diff --git a/rest-api-spec/src/main/resources/rest-api-spec/test/indices.stats/20_translog.yml b/rest-api-spec/src/main/resources/rest-api-spec/test/indices.stats/20_translog.yml index 586a04f065cde..b8be395c0d52f 100644 --- a/rest-api-spec/src/main/resources/rest-api-spec/test/indices.stats/20_translog.yml +++ b/rest-api-spec/src/main/resources/rest-api-spec/test/indices.stats/20_translog.yml @@ -79,3 +79,46 @@ setup: indices.stats: metric: [ translog ] - gte: { indices.test.primaries.translog.earliest_last_modified_age: 0 } + +--- +"Translog stats on closed indices": + - skip: + version: " - 7.9.99" + reason: "closed indices have translog stats starting version 8.0.0" + + - do: + index: + index: test + id: 1 + body: { "foo": "bar" } + + - do: + index: + index: test + id: 2 + body: { "foo": "bar" } + + - do: + index: + index: test + id: 3 + body: { "foo": "bar" } + + - do: + indices.stats: + metric: [ translog ] + - match: { indices.test.primaries.translog.operations: 3 } + - match: { indices.test.primaries.translog.uncommitted_operations: 3 } + + - do: + indices.close: + index: test + - is_true: acknowledged + + - do: + indices.stats: + metric: [ translog ] + expand_wildcards: all + forbid_closed_indices: false + - match: { indices.test.primaries.translog.operations: 3 } + - match: { indices.test.primaries.translog.uncommitted_operations: 0 } diff --git a/server/src/main/java/org/elasticsearch/index/engine/ReadOnlyEngine.java b/server/src/main/java/org/elasticsearch/index/engine/ReadOnlyEngine.java index e70bbedf08953..d28cd9610b115 100644 --- a/server/src/main/java/org/elasticsearch/index/engine/ReadOnlyEngine.java +++ b/server/src/main/java/org/elasticsearch/index/engine/ReadOnlyEngine.java @@ -42,6 +42,8 @@ import org.elasticsearch.index.shard.DocsStats; import org.elasticsearch.index.store.Store; import org.elasticsearch.index.translog.Translog; +import org.elasticsearch.index.translog.TranslogConfig; +import org.elasticsearch.index.translog.TranslogDeletionPolicy; import org.elasticsearch.index.translog.TranslogStats; import java.io.Closeable; @@ -108,7 +110,6 @@ public ReadOnlyEngine(EngineConfig config, SeqNoStats seqNoStats, TranslogStats // yet this makes sure nobody else does. including some testing tools that try to be messy indexWriterLock = obtainLock ? directory.obtainLock(IndexWriter.WRITE_LOCK_NAME) : null; this.lastCommittedSegmentInfos = Lucene.readSegmentInfos(directory); - this.translogStats = translogStats == null ? new TranslogStats(0, 0, 0, 0, 0) : translogStats; if (seqNoStats == null) { seqNoStats = buildSeqNoStats(config, lastCommittedSegmentInfos); ensureMaxSeqNoEqualsToGlobalCheckpoint(seqNoStats); @@ -119,6 +120,8 @@ public ReadOnlyEngine(EngineConfig config, SeqNoStats seqNoStats, TranslogStats reader = wrapReader(reader, readerWrapperFunction); searcherManager = new SearcherManager(reader, searcherFactory); this.docsStats = docsStats(lastCommittedSegmentInfos); + assert translogStats != null || obtainLock : "mutiple translogs instances should not be opened at the same time"; + this.translogStats = translogStats != null ? translogStats : translogStats(config, lastCommittedSegmentInfos); this.indexWriterLock = indexWriterLock; success = true; } finally { @@ -216,6 +219,26 @@ private static SeqNoStats buildSeqNoStats(EngineConfig config, SegmentInfos info return new SeqNoStats(maxSeqNo, localCheckpoint, config.getGlobalCheckpointSupplier().getAsLong()); } + private static TranslogStats translogStats(final EngineConfig config, final SegmentInfos infos) throws IOException { + final String translogUuid = infos.getUserData().get(Translog.TRANSLOG_UUID_KEY); + if (translogUuid == null) { + throw new IllegalStateException("commit doesn't contain translog unique id"); + } + final long translogGenOfLastCommit = Long.parseLong(infos.getUserData().get(Translog.TRANSLOG_GENERATION_KEY)); + final TranslogConfig translogConfig = config.getTranslogConfig(); + final TranslogDeletionPolicy translogDeletionPolicy = new TranslogDeletionPolicy( + config.getIndexSettings().getTranslogRetentionSize().getBytes(), + config.getIndexSettings().getTranslogRetentionAge().getMillis() + ); + translogDeletionPolicy.setTranslogGenerationOfLastCommit(translogGenOfLastCommit); + + try (Translog translog = new Translog(translogConfig, translogUuid, translogDeletionPolicy, config.getGlobalCheckpointSupplier(), + config.getPrimaryTermSupplier(), seqNo -> {}) + ) { + return translog.stats(); + } + } + @Override public GetResult get(Get get, BiFunction searcherFactory) throws EngineException { return getFromSearcher(get, searcherFactory, SearcherScope.EXTERNAL); diff --git a/server/src/test/java/org/elasticsearch/index/engine/ReadOnlyEngineTests.java b/server/src/test/java/org/elasticsearch/index/engine/ReadOnlyEngineTests.java index f01f4c5b8e3f9..0a94ece4f8f7e 100644 --- a/server/src/test/java/org/elasticsearch/index/engine/ReadOnlyEngineTests.java +++ b/server/src/test/java/org/elasticsearch/index/engine/ReadOnlyEngineTests.java @@ -29,6 +29,7 @@ import org.elasticsearch.index.seqno.SeqNoStats; import org.elasticsearch.index.seqno.SequenceNumbers; import org.elasticsearch.index.store.Store; +import org.elasticsearch.index.translog.TranslogStats; import java.io.IOException; import java.util.List; @@ -37,6 +38,7 @@ import static org.elasticsearch.common.lucene.index.ElasticsearchDirectoryReader.getElasticsearchDirectoryReader; import static org.hamcrest.Matchers.equalTo; +import static org.hamcrest.Matchers.greaterThan; import static org.hamcrest.Matchers.instanceOf; public class ReadOnlyEngineTests extends EngineTestCase { @@ -183,7 +185,7 @@ public void testReadOnly() throws IOException { try (Store store = createStore()) { EngineConfig config = config(defaultSettings, store, createTempDir(), newMergePolicy(), null, null, globalCheckpoint::get); store.createEmpty(Version.CURRENT.luceneVersion); - try (ReadOnlyEngine readOnlyEngine = new ReadOnlyEngine(config, null , null, true, Function.identity())) { + try (ReadOnlyEngine readOnlyEngine = new ReadOnlyEngine(config, null , new TranslogStats(), true, Function.identity())) { Class expectedException = LuceneTestCase.TEST_ASSERTS_ENABLED ? AssertionError.class : UnsupportedOperationException.class; expectThrows(expectedException, () -> readOnlyEngine.index(null)); @@ -204,7 +206,7 @@ public void testVerifyShardBeforeIndexClosingIsNoOp() throws IOException { try (Store store = createStore()) { EngineConfig config = config(defaultSettings, store, createTempDir(), newMergePolicy(), null, null, globalCheckpoint::get); store.createEmpty(Version.CURRENT.luceneVersion); - try (ReadOnlyEngine readOnlyEngine = new ReadOnlyEngine(config, null , null, true, Function.identity())) { + try (ReadOnlyEngine readOnlyEngine = new ReadOnlyEngine(config, null , new TranslogStats(), true, Function.identity())) { globalCheckpoint.set(randomNonNegativeLong()); try { readOnlyEngine.verifyEngineBeforeIndexClosing(); @@ -242,4 +244,46 @@ public void testRecoverFromTranslogAppliesNoOperations() throws IOException { } } } + + public void testTranslogStats() throws IOException { + IOUtils.close(engine, store); + try (Store store = createStore()) { + final AtomicLong globalCheckpoint = new AtomicLong(SequenceNumbers.NO_OPS_PERFORMED); + EngineConfig config = config(defaultSettings, store, createTempDir(), newMergePolicy(), null, null, globalCheckpoint::get); + + final int numDocs = frequently() ? scaledRandomIntBetween(10, 200) : 0; + int uncommittedDocs = 0; + + try (InternalEngine engine = createEngine(config)) { + for (int i = 0; i < numDocs; i++) { + ParsedDocument doc = testParsedDocument(Integer.toString(i), null, testDocument(), new BytesArray("{}"), null); + engine.index(new Engine.Index(newUid(doc), doc, i, primaryTerm.get(), 1, null, Engine.Operation.Origin.REPLICA, + System.nanoTime(), -1, false, SequenceNumbers.UNASSIGNED_SEQ_NO, 0)); + if (rarely()) { + engine.flush(); + uncommittedDocs = 0; + } else { + uncommittedDocs += 1; + } + globalCheckpoint.set(i); + } + + assertThat(engine.getTranslogStats().estimatedNumberOfOperations(), equalTo(numDocs)); + assertThat(engine.getTranslogStats().getUncommittedOperations(), equalTo(uncommittedDocs)); + assertThat(engine.getTranslogStats().getTranslogSizeInBytes(), greaterThan(0L)); + assertThat(engine.getTranslogStats().getUncommittedSizeInBytes(), greaterThan(0L)); + assertThat(engine.getTranslogStats().getEarliestLastModifiedAge(), greaterThan(0L)); + + engine.flush(true, true); + } + + try (ReadOnlyEngine readOnlyEngine = new ReadOnlyEngine(config, null, null, true, Function.identity())) { + assertThat(readOnlyEngine.getTranslogStats().estimatedNumberOfOperations(), equalTo(numDocs)); + assertThat(readOnlyEngine.getTranslogStats().getUncommittedOperations(), equalTo(0)); + assertThat(readOnlyEngine.getTranslogStats().getTranslogSizeInBytes(), greaterThan(0L)); + assertThat(readOnlyEngine.getTranslogStats().getUncommittedSizeInBytes(), greaterThan(0L)); + assertThat(readOnlyEngine.getTranslogStats().getEarliestLastModifiedAge(), greaterThan(0L)); + } + } + } } diff --git a/server/src/test/java/org/elasticsearch/index/shard/IndexShardTests.java b/server/src/test/java/org/elasticsearch/index/shard/IndexShardTests.java index 572576736e3f6..28aac64f40b27 100644 --- a/server/src/test/java/org/elasticsearch/index/shard/IndexShardTests.java +++ b/server/src/test/java/org/elasticsearch/index/shard/IndexShardTests.java @@ -4083,7 +4083,7 @@ public void testDoNotTrimCommitsWhenOpenReadOnlyEngine() throws Exception { ShardRouting readonlyShardRouting = newShardRouting(replicaRouting.shardId(), replicaRouting.currentNodeId(), true, ShardRoutingState.INITIALIZING, RecoverySource.ExistingStoreRecoverySource.INSTANCE); final IndexShard readonlyShard = reinitShard(shard, readonlyShardRouting, - engineConfig -> new ReadOnlyEngine(engineConfig, null, null, false, Function.identity()) { + engineConfig -> new ReadOnlyEngine(engineConfig, null, null, true, Function.identity()) { @Override protected void ensureMaxSeqNoEqualsToGlobalCheckpoint(SeqNoStats seqNoStats) { // just like a following shard, we need to skip this check for now. diff --git a/server/src/test/java/org/elasticsearch/indices/state/OpenCloseIndexIT.java b/server/src/test/java/org/elasticsearch/indices/state/OpenCloseIndexIT.java index e9e9108f5e8f1..06ae307a54c9b 100644 --- a/server/src/test/java/org/elasticsearch/indices/state/OpenCloseIndexIT.java +++ b/server/src/test/java/org/elasticsearch/indices/state/OpenCloseIndexIT.java @@ -22,7 +22,9 @@ import org.elasticsearch.action.ActionRequestValidationException; import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse; import org.elasticsearch.action.admin.indices.open.OpenIndexResponse; +import org.elasticsearch.action.admin.indices.stats.IndicesStatsResponse; import org.elasticsearch.action.index.IndexRequestBuilder; +import org.elasticsearch.action.index.IndexResponse; import org.elasticsearch.action.search.SearchResponse; import org.elasticsearch.action.support.IndicesOptions; import org.elasticsearch.action.support.master.AcknowledgedResponse; @@ -34,6 +36,7 @@ import org.elasticsearch.common.xcontent.XContentType; import org.elasticsearch.index.IndexNotFoundException; import org.elasticsearch.index.query.QueryBuilders; +import org.elasticsearch.rest.RestStatus; import org.elasticsearch.test.ESIntegTestCase; import java.io.IOException; @@ -54,6 +57,7 @@ import static org.hamcrest.Matchers.containsString; import static org.hamcrest.Matchers.equalTo; import static org.hamcrest.Matchers.is; +import static org.hamcrest.Matchers.notNullValue; public class OpenCloseIndexIT extends ESIntegTestCase { public void testSimpleCloseOpen() { @@ -346,4 +350,38 @@ public void testOpenCloseIndexWithBlocks() { } } } + + public void testTranslogStats() { + final String indexName = "test"; + createIndex(indexName, Settings.builder() + .put(IndexMetaData.SETTING_NUMBER_OF_REPLICAS, 0) + .build()); + + final int nbDocs = randomIntBetween(0, 50); + int uncommittedOps = 0; + for (long i = 0; i < nbDocs; i++) { + final IndexResponse indexResponse = client().prepareIndex(indexName, "_doc", Long.toString(i)).setSource("field", i).get(); + assertThat(indexResponse.status(), is(RestStatus.CREATED)); + + if (rarely()) { + client().admin().indices().prepareFlush(indexName).get(); + uncommittedOps = 0; + } else { + uncommittedOps += 1; + } + } + + IndicesStatsResponse stats = client().admin().indices().prepareStats(indexName).clear().setTranslog(true).get(); + assertThat(stats.getIndex(indexName), notNullValue()); + assertThat(stats.getIndex(indexName).getPrimaries().getTranslog().estimatedNumberOfOperations(), equalTo(nbDocs)); + assertThat(stats.getIndex(indexName).getPrimaries().getTranslog().getUncommittedOperations(), equalTo(uncommittedOps)); + + assertAcked(client().admin().indices().prepareClose("test")); + + IndicesOptions indicesOptions = IndicesOptions.STRICT_EXPAND_OPEN; + stats = client().admin().indices().prepareStats(indexName).setIndicesOptions(indicesOptions).clear().setTranslog(true).get(); + assertThat(stats.getIndex(indexName), notNullValue()); + assertThat(stats.getIndex(indexName).getPrimaries().getTranslog().estimatedNumberOfOperations(), equalTo(nbDocs)); + assertThat(stats.getIndex(indexName).getPrimaries().getTranslog().getUncommittedOperations(), equalTo(0)); + } } diff --git a/x-pack/plugin/core/src/test/java/org/elasticsearch/index/engine/FrozenIndexTests.java b/x-pack/plugin/core/src/test/java/org/elasticsearch/index/engine/FrozenIndexTests.java index dd99692df8f03..8b3b8603ac567 100644 --- a/x-pack/plugin/core/src/test/java/org/elasticsearch/index/engine/FrozenIndexTests.java +++ b/x-pack/plugin/core/src/test/java/org/elasticsearch/index/engine/FrozenIndexTests.java @@ -409,4 +409,39 @@ public void testRecoveryState() throws ExecutionException, InterruptedException assertThat(recoveryState.getTranslog().recoveredPercent(), equalTo(100.0f)); } } + + public void testTranslogStats() { + final String indexName = "test"; + createIndex(indexName, Settings.builder() + .put(IndexMetaData.SETTING_NUMBER_OF_REPLICAS, 0) + .build()); + + final int nbDocs = randomIntBetween(0, 50); + int uncommittedOps = 0; + for (long i = 0; i < nbDocs; i++) { + final IndexResponse indexResponse = client().prepareIndex(indexName, "_doc", Long.toString(i)).setSource("field", i).get(); + assertThat(indexResponse.status(), is(RestStatus.CREATED)); + + if (rarely()) { + client().admin().indices().prepareFlush(indexName).get(); + uncommittedOps = 0; + } else { + uncommittedOps += 1; + } + } + + IndicesStatsResponse stats = client().admin().indices().prepareStats(indexName).clear().setTranslog(true).get(); + assertThat(stats.getIndex(indexName), notNullValue()); + assertThat(stats.getIndex(indexName).getPrimaries().getTranslog().estimatedNumberOfOperations(), equalTo(nbDocs)); + assertThat(stats.getIndex(indexName).getPrimaries().getTranslog().getUncommittedOperations(), equalTo(uncommittedOps)); + + assertAcked(client().execute(FreezeIndexAction.INSTANCE, new TransportFreezeIndexAction.FreezeRequest(indexName)).actionGet()); + assertIndexFrozen(indexName); + + IndicesOptions indicesOptions = IndicesOptions.STRICT_EXPAND_OPEN; + stats = client().admin().indices().prepareStats(indexName).setIndicesOptions(indicesOptions).clear().setTranslog(true).get(); + assertThat(stats.getIndex(indexName), notNullValue()); + assertThat(stats.getIndex(indexName).getPrimaries().getTranslog().estimatedNumberOfOperations(), equalTo(nbDocs)); + assertThat(stats.getIndex(indexName).getPrimaries().getTranslog().getUncommittedOperations(), equalTo(0)); + } } diff --git a/x-pack/plugin/src/test/resources/rest-api-spec/test/indices.freeze/20_stats.yml b/x-pack/plugin/src/test/resources/rest-api-spec/test/indices.freeze/20_stats.yml new file mode 100644 index 0000000000000..cef64695c4f92 --- /dev/null +++ b/x-pack/plugin/src/test/resources/rest-api-spec/test/indices.freeze/20_stats.yml @@ -0,0 +1,62 @@ +--- +setup: + - do: + indices.create: + index: test + - do: + cluster.health: + wait_for_no_initializing_shards: true + +--- +"Translog stats on frozen indices": + - skip: + version: " - 7.9.99" + reason: "frozen indices have translog stats starting version 8.0.0" + + - do: + index: + index: test + id: 1 + body: { "foo": "bar" } + + - do: + index: + index: test + id: 2 + body: { "foo": "bar" } + + - do: + index: + index: test + id: 3 + body: { "foo": "bar" } + + - do: + indices.stats: + metric: [ translog ] + - match: { indices.test.primaries.translog.operations: 3 } + - match: { indices.test.primaries.translog.uncommitted_operations: 3 } + + # freeze index + - do: + indices.freeze: + index: test + - is_true: acknowledged + + - do: + indices.stats: + metric: [ translog ] + - match: { indices.test.primaries.translog.operations: 3 } + - match: { indices.test.primaries.translog.uncommitted_operations: 0 } + + # unfreeze index + - do: + indices.freeze: + index: test + - is_true: acknowledged + + - do: + indices.stats: + metric: [ translog ] + - match: { indices.test.primaries.translog.operations: 3 } + - match: { indices.test.primaries.translog.uncommitted_operations: 0 }