[7.x] Introduce ModelPlotConfig. annotations_enabled setting (#57539) (#57641)

client/rest-high-level/src/main/java/org/elasticsearch/client/ml/job/config/ModelPlotConfig.java

@@ -30,22 +30,27 @@ public class ModelPlotConfig implements ToXContentObject {
 
     private static final ParseField TYPE_FIELD = new ParseField("model_plot_config");
     private static final ParseField ENABLED_FIELD = new ParseField("enabled");
-    public static final ParseField TERMS_FIELD = new ParseField("terms");
+    private static final ParseField TERMS_FIELD = new ParseField("terms");
+    private static final ParseField ANNOTATIONS_ENABLED_FIELD = new ParseField("annotations_enabled");
 
     public static final ConstructingObjectParser<ModelPlotConfig, Void> PARSER =
-        new ConstructingObjectParser<>(TYPE_FIELD.getPreferredName(), true, a -> new ModelPlotConfig((boolean) a[0], (String) a[1]));
+        new ConstructingObjectParser<>(
+            TYPE_FIELD.getPreferredName(), true, a -> new ModelPlotConfig((boolean) a[0], (String) a[1], (Boolean) a[2]));
 
     static {
         PARSER.declareBoolean(ConstructingObjectParser.constructorArg(), ENABLED_FIELD);
         PARSER.declareString(ConstructingObjectParser.optionalConstructorArg(), TERMS_FIELD);
+        PARSER.declareBoolean(ConstructingObjectParser.optionalConstructorArg(), ANNOTATIONS_ENABLED_FIELD);
     }
 
     private final boolean enabled;
     private final String terms;
+    private final boolean annotationsEnabled;
 
-    public ModelPlotConfig(boolean enabled, String terms) {
+    public ModelPlotConfig(boolean enabled, String terms, Boolean annotationsEnabled) {
         this.enabled = enabled;
         this.terms = terms;
+        this.annotationsEnabled = Boolean.TRUE.equals(annotationsEnabled);
     }
 
     @Override
@@ -55,6 +60,7 @@ public class ModelPlotConfig implements ToXContentObject {
         if (terms != null) {
             builder.field(TERMS_FIELD.getPreferredName(), terms);
         }
+        builder.field(ANNOTATIONS_ENABLED_FIELD.getPreferredName(), annotationsEnabled);
         builder.endObject();
         return builder;
     }
@@ -67,6 +73,10 @@ public class ModelPlotConfig implements ToXContentObject {
         return this.terms;
     }
 
+    public boolean annotationsEnabled() {
+        return annotationsEnabled;
+    }
+
     @Override
     public boolean equals(Object other) {
         if (this == other) {
@@ -78,11 +88,11 @@ public class ModelPlotConfig implements ToXContentObject {
         }
 
         ModelPlotConfig that = (ModelPlotConfig) other;
-        return this.enabled == that.enabled && Objects.equals(this.terms, that.terms);
+        return this.enabled == that.enabled && Objects.equals(this.terms, that.terms) && this.annotationsEnabled == that.annotationsEnabled;
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(enabled, terms);
+        return Objects.hash(enabled, terms, annotationsEnabled);
     }
 }

client/rest-high-level/src/test/java/org/elasticsearch/client/documentation/MlClientDocumentationIT.java

@@ -590,7 +590,7 @@ public class MlClientDocumentationIT extends ESRestHighLevelClientTestCase {
                 .setDetectorUpdates(Arrays.asList(detectorUpdate)) // <6>
                 .setGroups(Arrays.asList("job-group-1")) // <7>
                 .setResultsRetentionDays(10L) // <8>
-                .setModelPlotConfig(new ModelPlotConfig(true, null)) // <9>
+                .setModelPlotConfig(new ModelPlotConfig(true, null, true)) // <9>
                 .setModelSnapshotRetentionDays(7L) // <10>
                 .setCustomSettings(customSettings) // <11>
                 .setRenormalizationWindowDays(3L) // <12>

client/rest-high-level/src/test/java/org/elasticsearch/client/ml/job/config/JobTests.java

@@ -133,7 +133,7 @@ public class JobTests extends AbstractXContentTestCase<Job> {
         builder.setDataDescription(dataDescription);
 
         if (randomBoolean()) {
-            builder.setModelPlotConfig(new ModelPlotConfig(randomBoolean(), randomAlphaOfLength(10)));
+            builder.setModelPlotConfig(ModelPlotConfigTests.createRandomized());
         }
         if (randomBoolean()) {
             builder.setRenormalizationWindowDays(randomNonNegativeLong());

client/rest-high-level/src/test/java/org/elasticsearch/client/ml/job/config/JobUpdateTests.java

@@ -56,7 +56,7 @@ public class JobUpdateTests extends AbstractXContentTestCase<JobUpdate> {
             update.setDetectorUpdates(createRandomDetectorUpdates());
         }
         if (randomBoolean()) {
-            update.setModelPlotConfig(new ModelPlotConfig(randomBoolean(), randomAlphaOfLength(10)));
+            update.setModelPlotConfig(ModelPlotConfigTests.createRandomized());
         }
         if (randomBoolean()) {
             update.setAnalysisLimits(AnalysisLimitsTests.createRandomized());

client/rest-high-level/src/test/java/org/elasticsearch/client/ml/job/config/ModelPlotConfigTests.java

@@ -25,7 +25,11 @@ public class ModelPlotConfigTests extends AbstractXContentTestCase<ModelPlotConf
 
     @Override
     protected ModelPlotConfig createTestInstance() {
-        return new ModelPlotConfig(randomBoolean(), randomAlphaOfLengthBetween(1, 30));
+        return createRandomized();
+    }
+
+    public static ModelPlotConfig createRandomized() {
+        return new ModelPlotConfig(randomBoolean(), randomAlphaOfLengthBetween(1, 30), randomBoolean() ? randomBoolean() : null);
     }
 
     @Override

docs/reference/ml/anomaly-detection/apis/put-job.asciidoc

@@ -243,6 +243,10 @@ include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=model-plot-config]
 .Properties of `model_plot_config`
 [%collapsible%open]
 ====
+`annotations_enabled`:::
+(boolean)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=model-plot-config-annotations-enabled]
+
 `enabled`:::
 (boolean)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=model-plot-config-enabled]

docs/reference/ml/anomaly-detection/apis/update-job.asciidoc

@@ -180,10 +180,17 @@ include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=model-plot-config]
 .Properties of `model_plot_config`
 [%collapsible%open]
 ====
+`annotations_enabled`:::
+(boolean)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=model-plot-config-annotations-enabled]
+
 `enabled`:::
 (boolean)
 include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=model-plot-config-enabled]
 
+`terms`:::
+experimental[] (string)
+include::{es-repo-dir}/ml/ml-shared.asciidoc[tag=model-plot-config-terms]
 ====
 //End model_plot_config
 

docs/reference/ml/ml-shared.asciidoc

@@ -1000,6 +1000,11 @@ applied. For example, "CPU,NetworkIn,DiskWrites". Wildcards are not supported.
 Only the specified `terms` can be viewed when using the Single Metric Viewer.
 end::model-plot-config-terms[]
 
+tag::model-plot-config-annotations-enabled[]
+If true, enables calculation and storage of the model change annotations
+for each entity that is being analyzed. By default, this is not enabled.
+end::model-plot-config-annotations-enabled[]
+
 tag::model-snapshot-retention-days[]
 Advanced configuration option, which affects the automatic removal of old model
 snapshots for this job. It specifies the maximum period of time (in days) that

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/ml/job/config/ModelPlotConfig.java

@@ -5,6 +5,7 @@
  */
 package org.elasticsearch.xpack.core.ml.job.config;
 
+import org.elasticsearch.Version;
 import org.elasticsearch.common.ParseField;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
@@ -21,6 +22,7 @@ public class ModelPlotConfig implements ToXContentObject, Writeable {
     public static final ParseField TYPE_FIELD = new ParseField("model_plot_config");
     public static final ParseField ENABLED_FIELD = new ParseField("enabled");
     public static final ParseField TERMS_FIELD = new ParseField("terms");
+    public static final ParseField ANNOTATIONS_ENABLED_FIELD = new ParseField("annotations_enabled");
 
     // These parsers follow the pattern that metadata is parsed leniently (to allow for enhancements), whilst config is parsed strictly
     public static final ConstructingObjectParser<ModelPlotConfig, Void> LENIENT_PARSER = createParser(true);
@@ -28,35 +30,46 @@ public class ModelPlotConfig implements ToXContentObject, Writeable {
 
     private static ConstructingObjectParser<ModelPlotConfig, Void> createParser(boolean ignoreUnknownFields) {
         ConstructingObjectParser<ModelPlotConfig, Void> parser = new ConstructingObjectParser<>(TYPE_FIELD.getPreferredName(),
-            ignoreUnknownFields, a -> new ModelPlotConfig((boolean) a[0], (String) a[1]));
+            ignoreUnknownFields, a -> new ModelPlotConfig((boolean) a[0], (String) a[1], (Boolean) a[2]));
 
         parser.declareBoolean(ConstructingObjectParser.constructorArg(), ENABLED_FIELD);
         parser.declareString(ConstructingObjectParser.optionalConstructorArg(), TERMS_FIELD);
+        parser.declareBoolean(ConstructingObjectParser.optionalConstructorArg(), ANNOTATIONS_ENABLED_FIELD);
 
         return parser;
     }
 
     private final boolean enabled;
     private final String terms;
+    private final boolean annotationsEnabled;
 
     public ModelPlotConfig() {
-        this(true, null);
+        this(true, null, true);
     }
 
-    public ModelPlotConfig(boolean enabled, String terms) {
+    public ModelPlotConfig(boolean enabled, String terms, Boolean annotationsEnabled) {
         this.enabled = enabled;
         this.terms = terms;
+        this.annotationsEnabled = Boolean.TRUE.equals(annotationsEnabled);
     }
 
     public ModelPlotConfig(StreamInput in) throws IOException {
         enabled = in.readBoolean();
         terms = in.readOptionalString();
+        if (in.getVersion().onOrAfter(Version.V_7_9_0)) {
+            annotationsEnabled = in.readBoolean();
+        } else {
+            annotationsEnabled = enabled;
+        }
     }
 
     @Override
     public void writeTo(StreamOutput out) throws IOException {
         out.writeBoolean(enabled);
         out.writeOptionalString(terms);
+        if (out.getVersion().onOrAfter(Version.V_7_9_0)) {
+            out.writeBoolean(annotationsEnabled);
+        }
     }
 
     @Override
@@ -66,6 +79,7 @@ public class ModelPlotConfig implements ToXContentObject, Writeable {
         if (terms != null) {
             builder.field(TERMS_FIELD.getPreferredName(), terms);
         }
+        builder.field(ANNOTATIONS_ENABLED_FIELD.getPreferredName(), annotationsEnabled);
         builder.endObject();
         return builder;
     }
@@ -75,7 +89,11 @@ public class ModelPlotConfig implements ToXContentObject, Writeable {
     }
 
     public String getTerms() {
-        return this.terms;
+        return terms;
+    }
+
+    public boolean annotationsEnabled() {
+        return annotationsEnabled;
     }
 
     @Override
@@ -89,11 +107,11 @@ public class ModelPlotConfig implements ToXContentObject, Writeable {
         }
 
         ModelPlotConfig that = (ModelPlotConfig) other;
-        return this.enabled == that.enabled && Objects.equals(this.terms, that.terms);
+        return this.enabled == that.enabled && Objects.equals(this.terms, that.terms) && this.annotationsEnabled == that.annotationsEnabled;
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(enabled, terms);
+        return Objects.hash(enabled, terms, annotationsEnabled);
     }
 }

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/ml/job/results/ReservedFieldNames.java

@@ -278,6 +278,7 @@ public final class ReservedFieldNames {
 
             ModelPlotConfig.ENABLED_FIELD.getPreferredName(),
             ModelPlotConfig.TERMS_FIELD.getPreferredName(),
+            ModelPlotConfig.ANNOTATIONS_ENABLED_FIELD.getPreferredName(),
 
             DatafeedConfig.ID.getPreferredName(),
             DatafeedConfig.QUERY_DELAY.getPreferredName(),

x-pack/plugin/core/src/main/resources/org/elasticsearch/xpack/core/ml/config_index_mappings.json

@@ -322,6 +322,9 @@
           },
           "terms" : {
             "type" : "keyword"
+          },
+          "annotations_enabled" : {
+            "type" : "boolean"
           }
         }
       },

x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/ml/action/UpdateProcessActionRequestTests.java

@@ -11,6 +11,7 @@ import org.elasticsearch.xpack.core.ml.job.config.JobUpdate;
 import org.elasticsearch.xpack.core.ml.job.config.MlFilter;
 import org.elasticsearch.xpack.core.ml.job.config.MlFilterTests;
 import org.elasticsearch.xpack.core.ml.job.config.ModelPlotConfig;
+import org.elasticsearch.xpack.core.ml.job.config.ModelPlotConfigTests;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -21,7 +22,7 @@ public class UpdateProcessActionRequestTests extends AbstractWireSerializingTest
     protected UpdateProcessAction.Request createTestInstance() {
         ModelPlotConfig config = null;
         if (randomBoolean()) {
-            config = new ModelPlotConfig(randomBoolean(), randomAlphaOfLength(10));
+            config = ModelPlotConfigTests.createRandomized();
         }
         List<JobUpdate.DetectorUpdate> updates = null;
         if (randomBoolean()) {

x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/ml/job/config/JobTests.java

@@ -640,7 +640,7 @@ public class JobTests extends AbstractSerializingTestCase<Job> {
         builder.setDataDescription(dataDescription);
 
         if (randomBoolean()) {
-            builder.setModelPlotConfig(new ModelPlotConfig(randomBoolean(), randomAlphaOfLength(10)));
+            builder.setModelPlotConfig(ModelPlotConfigTests.createRandomized());
         }
         if (randomBoolean()) {
             builder.setRenormalizationWindowDays(randomNonNegativeLong());

x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/ml/job/config/JobUpdateTests.java

@@ -60,7 +60,7 @@ public class JobUpdateTests extends AbstractSerializingTestCase<JobUpdate> {
             update.setDetectorUpdates(detectorUpdates);
         }
         if (randomBoolean()) {
-            update.setModelPlotConfig(new ModelPlotConfig(randomBoolean(), randomAlphaOfLength(10)));
+            update.setModelPlotConfig(ModelPlotConfigTests.createRandomized());
         }
         if (randomBoolean()) {
             update.setAnalysisLimits(AnalysisLimits.validateAndSetDefaults(AnalysisLimitsTests.createRandomized(), null,
@@ -221,7 +221,7 @@ public class JobUpdateTests extends AbstractSerializingTestCase<JobUpdate> {
                 new RuleCondition(RuleCondition.AppliesTo.ACTUAL, Operator.GT, 5))).build());
         detectorUpdates.add(new JobUpdate.DetectorUpdate(1, "description-2", detectionRules2));
 
-        ModelPlotConfig modelPlotConfig = new ModelPlotConfig(randomBoolean(), randomAlphaOfLength(10));
+        ModelPlotConfig modelPlotConfig = ModelPlotConfigTests.createRandomized();
         AnalysisLimits analysisLimits = new AnalysisLimits(randomNonNegativeLong(), randomNonNegativeLong());
         List<String> categorizationFilters = Arrays.asList(generateRandomStringArray(10, 10, false));
         Map<String, Object> customSettings = Collections.singletonMap(randomAlphaOfLength(10), randomAlphaOfLength(10));
@@ -299,7 +299,7 @@ public class JobUpdateTests extends AbstractSerializingTestCase<JobUpdate> {
     public void testIsAutodetectProcessUpdate() {
         JobUpdate update = new JobUpdate.Builder("foo").build();
         assertFalse(update.isAutodetectProcessUpdate());
-        update = new JobUpdate.Builder("foo").setModelPlotConfig(new ModelPlotConfig(true, "ff")).build();
+        update = new JobUpdate.Builder("foo").setModelPlotConfig(new ModelPlotConfig(true, "ff", false)).build();
         assertTrue(update.isAutodetectProcessUpdate());
         update = new JobUpdate.Builder("foo").setDetectorUpdates(Collections.singletonList(mock(JobUpdate.DetectorUpdate.class))).build();
         assertTrue(update.isAutodetectProcessUpdate());

x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/ml/job/config/ModelPlotConfigTests.java

@@ -15,13 +15,19 @@ import static org.hamcrest.Matchers.nullValue;
 public class ModelPlotConfigTests extends AbstractSerializingTestCase<ModelPlotConfig> {
 
     public void testConstructorDefaults() {
-        assertThat(new ModelPlotConfig().isEnabled(), is(true));
+        ModelPlotConfig modelPlotConfig = new ModelPlotConfig();
-        assertThat(new ModelPlotConfig().getTerms(), is(nullValue()));
+        assertThat(modelPlotConfig.isEnabled(), is(true));
+        assertThat(modelPlotConfig.getTerms(), is(nullValue()));
+        assertThat(modelPlotConfig.annotationsEnabled(), is(true));
     }
 
     @Override
     protected ModelPlotConfig createTestInstance() {
-        return new ModelPlotConfig(randomBoolean(), randomAlphaOfLengthBetween(1, 30));
+        return createRandomized();
+    }
+
+    public static ModelPlotConfig createRandomized() {
+        return new ModelPlotConfig(randomBoolean(), randomAlphaOfLengthBetween(1, 30), randomBoolean() ? randomBoolean() : null);
     }
 
     @Override

x-pack/plugin/ml/qa/native-multi-node-tests/src/test/java/org/elasticsearch/xpack/ml/integration/ModelPlotsIT.java

@@ -95,7 +95,7 @@ public class ModelPlotsIT extends MlNativeAutodetectIntegTestCase {
 
     public void testPartitionFieldWithTerms() throws Exception {
         Job.Builder job = jobWithPartitionUser("model-plots-it-test-partition-field-with-terms");
-        job.setModelPlotConfig(new ModelPlotConfig(true, "user_2,user_3"));
+        job.setModelPlotConfig(new ModelPlotConfig(true, "user_2,user_3", false));
         registerJob(job);
         putJob(job);
         String datafeedId = job.getId() + "-feed";
@@ -117,7 +117,7 @@ public class ModelPlotsIT extends MlNativeAutodetectIntegTestCase {
 
     public void testByFieldWithTerms() throws Exception {
         Job.Builder job = jobWithByUser("model-plots-it-test-by-field-with-terms");
-        job.setModelPlotConfig(new ModelPlotConfig(true, "user_2,user_3"));
+        job.setModelPlotConfig(new ModelPlotConfig(true, "user_2,user_3", false));
         registerJob(job);
         putJob(job);
         String datafeedId = job.getId() + "-feed";

x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/job/process/autodetect/writer/ModelPlotConfigWriter.java

@@ -42,6 +42,11 @@ public class ModelPlotConfigWriter {
                 .append(terms == null ? "" : terms)
                 .append(NEW_LINE);
 
+        contents.append(ModelPlotConfig.ANNOTATIONS_ENABLED_FIELD.getPreferredName())
+                .append(EQUALS)
+                .append(modelPlotConfig.annotationsEnabled())
+                .append(NEW_LINE);
+
         writer.write(contents.toString());
     }
 }

x-pack/plugin/ml/src/test/java/org/elasticsearch/xpack/ml/job/config/JobBuilderTests.java

@@ -13,7 +13,7 @@ import org.elasticsearch.xpack.core.ml.job.config.AnalysisConfigTests;
 import org.elasticsearch.xpack.core.ml.job.config.AnalysisLimitsTests;
 import org.elasticsearch.xpack.core.ml.job.config.DataDescription;
 import org.elasticsearch.xpack.core.ml.job.config.Job;
-import org.elasticsearch.xpack.core.ml.job.config.ModelPlotConfig;
+import org.elasticsearch.xpack.core.ml.job.config.ModelPlotConfigTests;
 
 import java.util.Collections;
 import java.util.Date;
@@ -48,8 +48,7 @@ public class JobBuilderTests extends AbstractSerializingTestCase<Job.Builder> {
             builder.setDataDescription(dataDescription);
         }
         if (randomBoolean()) {
-            builder.setModelPlotConfig(new ModelPlotConfig(randomBoolean(),
+            builder.setModelPlotConfig(ModelPlotConfigTests.createRandomized());
-                    randomAlphaOfLength(10)));
         }
         if (randomBoolean()) {
             builder.setRenormalizationWindowDays(randomNonNegativeLong());

x-pack/plugin/ml/src/test/java/org/elasticsearch/xpack/ml/job/process/autodetect/writer/AutodetectControlMsgWriterTests.java

@@ -178,12 +178,13 @@ public class AutodetectControlMsgWriterTests extends ESTestCase {
     public void testWriteUpdateModelPlotMessage() throws IOException {
         AutodetectControlMsgWriter writer = new AutodetectControlMsgWriter(lengthEncodedWriter, 4);
 
-        writer.writeUpdateModelPlotMessage(new ModelPlotConfig(true, "foo,bar"));
+        writer.writeUpdateModelPlotMessage(new ModelPlotConfig(true, "foo,bar", false));
 
         InOrder inOrder = inOrder(lengthEncodedWriter);
         inOrder.verify(lengthEncodedWriter).writeNumFields(4);
         inOrder.verify(lengthEncodedWriter, times(3)).writeField("");
-        inOrder.verify(lengthEncodedWriter).writeField("u[modelPlotConfig]\nboundspercentile = 95.0\nterms = foo,bar\n");
+        inOrder.verify(lengthEncodedWriter)
+            .writeField("u[modelPlotConfig]\nboundspercentile = 95.0\nterms = foo,bar\nannotations_enabled = false\n");
         verifyNoMoreInteractions(lengthEncodedWriter);
     }
 

x-pack/plugin/ml/src/test/java/org/elasticsearch/xpack/ml/job/process/autodetect/writer/ModelPlotConfigWriterTests.java

@@ -36,24 +36,42 @@ public class ModelPlotConfigWriterTests extends ESTestCase {
 
         writer.write();
 
-        verify(this.writer).write("boundspercentile = 95.0\nterms = \n");
+        verify(this.writer).write("boundspercentile = 95.0\nterms = \nannotations_enabled = true\n");
     }
 
     public void testWrite_GivenEnabledConfigWithTerms() throws IOException {
-        ModelPlotConfig modelPlotConfig = new ModelPlotConfig(true, "foo,bar");
+        ModelPlotConfig modelPlotConfig = new ModelPlotConfig(true, "foo,bar", false);
         ModelPlotConfigWriter writer = new ModelPlotConfigWriter(modelPlotConfig, this.writer);
 
         writer.write();
 
-        verify(this.writer).write("boundspercentile = 95.0\nterms = foo,bar\n");
+        verify(this.writer).write("boundspercentile = 95.0\nterms = foo,bar\nannotations_enabled = false\n");
     }
 
     public void testWrite_GivenDisabledConfigWithTerms() throws IOException {
-        ModelPlotConfig modelPlotConfig = new ModelPlotConfig(false, "foo,bar");
+        ModelPlotConfig modelPlotConfig = new ModelPlotConfig(false, "foo,bar", false);
         ModelPlotConfigWriter writer = new ModelPlotConfigWriter(modelPlotConfig, this.writer);
 
         writer.write();
 
-        verify(this.writer).write("boundspercentile = -1.0\nterms = foo,bar\n");
+        verify(this.writer).write("boundspercentile = -1.0\nterms = foo,bar\nannotations_enabled = false\n");
+    }
+
+    public void testWrite_GivenEnabledConfigWithEnabledAnnotations() throws IOException {
+        ModelPlotConfig modelPlotConfig = new ModelPlotConfig(true, null, true);
+        ModelPlotConfigWriter writer = new ModelPlotConfigWriter(modelPlotConfig, this.writer);
+
+        writer.write();
+
+        verify(this.writer).write("boundspercentile = 95.0\nterms = \nannotations_enabled = true\n");
+    }
+
+    public void testWrite_GivenDisabledConfigWithEnabledAnnotations() throws IOException {
+        ModelPlotConfig modelPlotConfig = new ModelPlotConfig(false, null, true);
+        ModelPlotConfigWriter writer = new ModelPlotConfigWriter(modelPlotConfig, this.writer);
+
+        writer.write();
+
+        verify(this.writer).write("boundspercentile = -1.0\nterms = \nannotations_enabled = true\n");
     }
 }

x-pack/plugin/src/test/resources/rest-api-spec/test/ml/jobs_crud.yml

@@ -393,6 +393,7 @@
   - match: { description: "Post update description" }
   - match: { model_plot_config.enabled: false }
   - match: { model_plot_config.terms: "foobar" }
+  - match: { model_plot_config.annotations_enabled: false }
   - match: { analysis_config.categorization_filters: ["cat3.*"] }
   - match: { analysis_config.detectors.0.custom_rules.0.actions: ["skip_result"] }
   - length: { analysis_config.detectors.0.custom_rules.0.conditions: 1 }