diff --git a/.github/workflows/hermetic_library_generation.yaml b/.github/workflows/hermetic_library_generation.yaml
index 5a97a438023..02d55be1f06 100644
--- a/.github/workflows/hermetic_library_generation.yaml
+++ b/.github/workflows/hermetic_library_generation.yaml
@@ -37,7 +37,7 @@ jobs:
       with:
         fetch-depth: 0
         token: ${{ secrets.CLOUD_JAVA_BOT_TOKEN }}
-    - uses: googleapis/sdk-platform-java/.github/scripts@v2.61.0
+    - uses: googleapis/sdk-platform-java/.github/scripts@v2.62.0
       if: env.SHOULD_RUN == 'true'
       with:
         base_ref: ${{ github.base_ref }}
diff --git a/.kokoro/presubmit/graalvm-native-a.cfg b/.kokoro/presubmit/graalvm-native-a.cfg
index 783727ef010..5816d610733 100644
--- a/.kokoro/presubmit/graalvm-native-a.cfg
+++ b/.kokoro/presubmit/graalvm-native-a.cfg
@@ -3,7 +3,7 @@
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
   key: "TRAMPOLINE_IMAGE"
-  value: "gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_a:3.51.0" # {x-version-update:google-cloud-shared-dependencies:current}
+  value: "gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_a:3.52.0" # {x-version-update:google-cloud-shared-dependencies:current}
 }
 
 env_vars: {
diff --git a/.kokoro/presubmit/graalvm-native-b.cfg b/.kokoro/presubmit/graalvm-native-b.cfg
index 83c7afee079..7986fd67310 100644
--- a/.kokoro/presubmit/graalvm-native-b.cfg
+++ b/.kokoro/presubmit/graalvm-native-b.cfg
@@ -3,7 +3,7 @@
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
   key: "TRAMPOLINE_IMAGE"
-  value: "gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_b:3.51.0" # {x-version-update:google-cloud-shared-dependencies:current}
+  value: "gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_b:3.52.0" # {x-version-update:google-cloud-shared-dependencies:current}
 }
 
 env_vars: {
diff --git a/.kokoro/presubmit/graalvm-native-c.cfg b/.kokoro/presubmit/graalvm-native-c.cfg
index 3a9bbf8c3ab..acecfce1bfb 100644
--- a/.kokoro/presubmit/graalvm-native-c.cfg
+++ b/.kokoro/presubmit/graalvm-native-c.cfg
@@ -3,7 +3,7 @@
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
   key: "TRAMPOLINE_IMAGE"
-  value: "gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_c:3.51.0" # {x-version-update:google-cloud-shared-dependencies:current}
+  value: "gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_c:3.52.0" # {x-version-update:google-cloud-shared-dependencies:current}
 }
 
 env_vars: {
diff --git a/README.md b/README.md
index 5d6e065b8d4..0f50fe2c652 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ If you are using Maven without the BOM, add this to your dependencies:
 If you are using Gradle 5.x or later, add this to your dependencies:
 
 ```Groovy
-implementation platform('com.google.cloud:libraries-bom:26.65.0')
+implementation platform('com.google.cloud:libraries-bom:26.66.0')
 
 implementation 'com.google.cloud:google-cloud-spanner'
 ```
diff --git a/generation_config.yaml b/generation_config.yaml
index b0d9f4d2412..aaf64f3a5c2 100644
--- a/generation_config.yaml
+++ b/generation_config.yaml
@@ -1,6 +1,6 @@
-gapic_generator_version: 2.61.0
-googleapis_commitish: 07d9064dde02424bc0166c04ac6582e0922f89f9
-libraries_bom_version: 26.65.0
+gapic_generator_version: 2.62.0
+googleapis_commitish: b738e78ed63effb7d199ed2d61c9e03291b6077f
+libraries_bom_version: 26.66.0
 libraries:
   - api_shortname: spanner
     name_pretty: Cloud Spanner
diff --git a/google-cloud-spanner-executor/src/main/java/com/google/cloud/spanner/executor/v1/stub/GrpcSpannerExecutorProxyStub.java b/google-cloud-spanner-executor/src/main/java/com/google/cloud/spanner/executor/v1/stub/GrpcSpannerExecutorProxyStub.java
index 33813b27c6d..13b9a388b2b 100644
--- a/google-cloud-spanner-executor/src/main/java/com/google/cloud/spanner/executor/v1/stub/GrpcSpannerExecutorProxyStub.java
+++ b/google-cloud-spanner-executor/src/main/java/com/google/cloud/spanner/executor/v1/stub/GrpcSpannerExecutorProxyStub.java
@@ -49,6 +49,7 @@ public class GrpcSpannerExecutorProxyStub extends SpannerExecutorProxyStub {
                   ProtoUtils.marshaller(SpannerAsyncActionRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(SpannerAsyncActionResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private final BidiStreamingCallable<SpannerAsyncActionRequest, SpannerAsyncActionResponse>
diff --git a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/admin/database/v1/stub/GrpcDatabaseAdminStub.java b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/admin/database/v1/stub/GrpcDatabaseAdminStub.java
index 62987205a35..69b3d31e633 100644
--- a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/admin/database/v1/stub/GrpcDatabaseAdminStub.java
+++ b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/admin/database/v1/stub/GrpcDatabaseAdminStub.java
@@ -104,6 +104,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
                   ProtoUtils.marshaller(ListDatabasesRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListDatabasesResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<CreateDatabaseRequest, Operation>
@@ -114,6 +115,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(CreateDatabaseRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<GetDatabaseRequest, Database> getDatabaseMethodDescriptor =
@@ -122,6 +124,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
           .setFullMethodName("google.spanner.admin.database.v1.DatabaseAdmin/GetDatabase")
           .setRequestMarshaller(ProtoUtils.marshaller(GetDatabaseRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Database.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<UpdateDatabaseRequest, Operation>
@@ -132,6 +135,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(UpdateDatabaseRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<UpdateDatabaseDdlRequest, Operation>
@@ -142,6 +146,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(UpdateDatabaseDdlRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<DropDatabaseRequest, Empty> dropDatabaseMethodDescriptor =
@@ -150,6 +155,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
           .setFullMethodName("google.spanner.admin.database.v1.DatabaseAdmin/DropDatabase")
           .setRequestMarshaller(ProtoUtils.marshaller(DropDatabaseRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Empty.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<GetDatabaseDdlRequest, GetDatabaseDdlResponse>
@@ -161,6 +167,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
                   ProtoUtils.marshaller(GetDatabaseDdlRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(GetDatabaseDdlResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<SetIamPolicyRequest, Policy> setIamPolicyMethodDescriptor =
@@ -169,6 +176,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
           .setFullMethodName("google.spanner.admin.database.v1.DatabaseAdmin/SetIamPolicy")
           .setRequestMarshaller(ProtoUtils.marshaller(SetIamPolicyRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Policy.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<GetIamPolicyRequest, Policy> getIamPolicyMethodDescriptor =
@@ -177,6 +185,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
           .setFullMethodName("google.spanner.admin.database.v1.DatabaseAdmin/GetIamPolicy")
           .setRequestMarshaller(ProtoUtils.marshaller(GetIamPolicyRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Policy.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<TestIamPermissionsRequest, TestIamPermissionsResponse>
@@ -189,6 +198,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
                   ProtoUtils.marshaller(TestIamPermissionsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(TestIamPermissionsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<CreateBackupRequest, Operation>
@@ -198,6 +208,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
               .setFullMethodName("google.spanner.admin.database.v1.DatabaseAdmin/CreateBackup")
               .setRequestMarshaller(ProtoUtils.marshaller(CreateBackupRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<CopyBackupRequest, Operation> copyBackupMethodDescriptor =
@@ -206,6 +217,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
           .setFullMethodName("google.spanner.admin.database.v1.DatabaseAdmin/CopyBackup")
           .setRequestMarshaller(ProtoUtils.marshaller(CopyBackupRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<GetBackupRequest, Backup> getBackupMethodDescriptor =
@@ -214,6 +226,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
           .setFullMethodName("google.spanner.admin.database.v1.DatabaseAdmin/GetBackup")
           .setRequestMarshaller(ProtoUtils.marshaller(GetBackupRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Backup.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<UpdateBackupRequest, Backup> updateBackupMethodDescriptor =
@@ -222,6 +235,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
           .setFullMethodName("google.spanner.admin.database.v1.DatabaseAdmin/UpdateBackup")
           .setRequestMarshaller(ProtoUtils.marshaller(UpdateBackupRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Backup.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<DeleteBackupRequest, Empty> deleteBackupMethodDescriptor =
@@ -230,6 +244,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
           .setFullMethodName("google.spanner.admin.database.v1.DatabaseAdmin/DeleteBackup")
           .setRequestMarshaller(ProtoUtils.marshaller(DeleteBackupRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Empty.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<ListBackupsRequest, ListBackupsResponse>
@@ -240,6 +255,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
               .setRequestMarshaller(ProtoUtils.marshaller(ListBackupsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListBackupsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<RestoreDatabaseRequest, Operation>
@@ -250,6 +266,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(RestoreDatabaseRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<
@@ -264,6 +281,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
                   ProtoUtils.marshaller(ListDatabaseOperationsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListDatabaseOperationsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<ListBackupOperationsRequest, ListBackupOperationsResponse>
@@ -276,6 +294,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
                   ProtoUtils.marshaller(ListBackupOperationsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListBackupOperationsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<ListDatabaseRolesRequest, ListDatabaseRolesResponse>
@@ -287,6 +306,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
                   ProtoUtils.marshaller(ListDatabaseRolesRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListDatabaseRolesResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<AddSplitPointsRequest, AddSplitPointsResponse>
@@ -298,6 +318,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
                   ProtoUtils.marshaller(AddSplitPointsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(AddSplitPointsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<CreateBackupScheduleRequest, BackupSchedule>
@@ -309,6 +330,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(CreateBackupScheduleRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(BackupSchedule.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<GetBackupScheduleRequest, BackupSchedule>
@@ -319,6 +341,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(GetBackupScheduleRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(BackupSchedule.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<UpdateBackupScheduleRequest, BackupSchedule>
@@ -330,6 +353,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(UpdateBackupScheduleRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(BackupSchedule.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<DeleteBackupScheduleRequest, Empty>
@@ -341,6 +365,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(DeleteBackupScheduleRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Empty.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<ListBackupSchedulesRequest, ListBackupSchedulesResponse>
@@ -353,6 +378,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
                   ProtoUtils.marshaller(ListBackupSchedulesRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListBackupSchedulesResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<
@@ -368,6 +394,7 @@ public class GrpcDatabaseAdminStub extends DatabaseAdminStub {
                   ProtoUtils.marshaller(InternalUpdateGraphOperationRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(InternalUpdateGraphOperationResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private final UnaryCallable<ListDatabasesRequest, ListDatabasesResponse> listDatabasesCallable;
diff --git a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/admin/instance/v1/stub/GrpcInstanceAdminStub.java b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/admin/instance/v1/stub/GrpcInstanceAdminStub.java
index adc73df5cbc..147742b551b 100644
--- a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/admin/instance/v1/stub/GrpcInstanceAdminStub.java
+++ b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/admin/instance/v1/stub/GrpcInstanceAdminStub.java
@@ -96,6 +96,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
                   ProtoUtils.marshaller(ListInstanceConfigsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListInstanceConfigsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<GetInstanceConfigRequest, InstanceConfig>
@@ -106,6 +107,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(GetInstanceConfigRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(InstanceConfig.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<CreateInstanceConfigRequest, Operation>
@@ -117,6 +119,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(CreateInstanceConfigRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<UpdateInstanceConfigRequest, Operation>
@@ -128,6 +131,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(UpdateInstanceConfigRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<DeleteInstanceConfigRequest, Empty>
@@ -139,6 +143,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(DeleteInstanceConfigRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Empty.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<
@@ -154,6 +159,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
                   ProtoUtils.marshaller(ListInstanceConfigOperationsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListInstanceConfigOperationsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<ListInstancesRequest, ListInstancesResponse>
@@ -165,6 +171,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
                   ProtoUtils.marshaller(ListInstancesRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListInstancesResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<
@@ -179,6 +186,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
                   ProtoUtils.marshaller(ListInstancePartitionsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListInstancePartitionsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<GetInstanceRequest, Instance> getInstanceMethodDescriptor =
@@ -187,6 +195,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
           .setFullMethodName("google.spanner.admin.instance.v1.InstanceAdmin/GetInstance")
           .setRequestMarshaller(ProtoUtils.marshaller(GetInstanceRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Instance.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<CreateInstanceRequest, Operation>
@@ -197,6 +206,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(CreateInstanceRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<UpdateInstanceRequest, Operation>
@@ -207,6 +217,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(UpdateInstanceRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<DeleteInstanceRequest, Empty>
@@ -217,6 +228,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(DeleteInstanceRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Empty.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<SetIamPolicyRequest, Policy> setIamPolicyMethodDescriptor =
@@ -225,6 +237,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
           .setFullMethodName("google.spanner.admin.instance.v1.InstanceAdmin/SetIamPolicy")
           .setRequestMarshaller(ProtoUtils.marshaller(SetIamPolicyRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Policy.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<GetIamPolicyRequest, Policy> getIamPolicyMethodDescriptor =
@@ -233,6 +246,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
           .setFullMethodName("google.spanner.admin.instance.v1.InstanceAdmin/GetIamPolicy")
           .setRequestMarshaller(ProtoUtils.marshaller(GetIamPolicyRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Policy.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<TestIamPermissionsRequest, TestIamPermissionsResponse>
@@ -245,6 +259,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
                   ProtoUtils.marshaller(TestIamPermissionsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(TestIamPermissionsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<GetInstancePartitionRequest, InstancePartition>
@@ -256,6 +271,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(GetInstancePartitionRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(InstancePartition.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<CreateInstancePartitionRequest, Operation>
@@ -267,6 +283,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(CreateInstancePartitionRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<DeleteInstancePartitionRequest, Empty>
@@ -278,6 +295,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(DeleteInstancePartitionRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Empty.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<UpdateInstancePartitionRequest, Operation>
@@ -289,6 +307,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(UpdateInstancePartitionRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<
@@ -306,6 +325,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
               .setResponseMarshaller(
                   ProtoUtils.marshaller(
                       ListInstancePartitionOperationsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<MoveInstanceRequest, Operation>
@@ -315,6 +335,7 @@ public class GrpcInstanceAdminStub extends InstanceAdminStub {
               .setFullMethodName("google.spanner.admin.instance.v1.InstanceAdmin/MoveInstance")
               .setRequestMarshaller(ProtoUtils.marshaller(MoveInstanceRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private final UnaryCallable<ListInstanceConfigsRequest, ListInstanceConfigsResponse>
diff --git a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/v1/stub/GrpcSpannerStub.java b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/v1/stub/GrpcSpannerStub.java
index b9f325df3af..a78276e55c8 100644
--- a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/v1/stub/GrpcSpannerStub.java
+++ b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/v1/stub/GrpcSpannerStub.java
@@ -74,6 +74,7 @@ public class GrpcSpannerStub extends SpannerStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(CreateSessionRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Session.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<BatchCreateSessionsRequest, BatchCreateSessionsResponse>
@@ -85,6 +86,7 @@ public class GrpcSpannerStub extends SpannerStub {
                   ProtoUtils.marshaller(BatchCreateSessionsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(BatchCreateSessionsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<GetSessionRequest, Session> getSessionMethodDescriptor =
@@ -93,6 +95,7 @@ public class GrpcSpannerStub extends SpannerStub {
           .setFullMethodName("google.spanner.v1.Spanner/GetSession")
           .setRequestMarshaller(ProtoUtils.marshaller(GetSessionRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Session.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<ListSessionsRequest, ListSessionsResponse>
@@ -103,6 +106,7 @@ public class GrpcSpannerStub extends SpannerStub {
               .setRequestMarshaller(ProtoUtils.marshaller(ListSessionsRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ListSessionsResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<DeleteSessionRequest, Empty> deleteSessionMethodDescriptor =
@@ -111,6 +115,7 @@ public class GrpcSpannerStub extends SpannerStub {
           .setFullMethodName("google.spanner.v1.Spanner/DeleteSession")
           .setRequestMarshaller(ProtoUtils.marshaller(DeleteSessionRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Empty.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<ExecuteSqlRequest, ResultSet> executeSqlMethodDescriptor =
@@ -119,6 +124,7 @@ public class GrpcSpannerStub extends SpannerStub {
           .setFullMethodName("google.spanner.v1.Spanner/ExecuteSql")
           .setRequestMarshaller(ProtoUtils.marshaller(ExecuteSqlRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(ResultSet.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<ExecuteSqlRequest, PartialResultSet>
@@ -128,6 +134,7 @@ public class GrpcSpannerStub extends SpannerStub {
               .setFullMethodName("google.spanner.v1.Spanner/ExecuteStreamingSql")
               .setRequestMarshaller(ProtoUtils.marshaller(ExecuteSqlRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(PartialResultSet.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<ExecuteBatchDmlRequest, ExecuteBatchDmlResponse>
@@ -139,6 +146,7 @@ public class GrpcSpannerStub extends SpannerStub {
                   ProtoUtils.marshaller(ExecuteBatchDmlRequest.getDefaultInstance()))
               .setResponseMarshaller(
                   ProtoUtils.marshaller(ExecuteBatchDmlResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<ReadRequest, ResultSet> readMethodDescriptor =
@@ -147,6 +155,7 @@ public class GrpcSpannerStub extends SpannerStub {
           .setFullMethodName("google.spanner.v1.Spanner/Read")
           .setRequestMarshaller(ProtoUtils.marshaller(ReadRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(ResultSet.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<ReadRequest, PartialResultSet>
@@ -156,6 +165,7 @@ public class GrpcSpannerStub extends SpannerStub {
               .setFullMethodName("google.spanner.v1.Spanner/StreamingRead")
               .setRequestMarshaller(ProtoUtils.marshaller(ReadRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(PartialResultSet.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<BeginTransactionRequest, Transaction>
@@ -166,6 +176,7 @@ public class GrpcSpannerStub extends SpannerStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(BeginTransactionRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(Transaction.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<CommitRequest, CommitResponse> commitMethodDescriptor =
@@ -174,6 +185,7 @@ public class GrpcSpannerStub extends SpannerStub {
           .setFullMethodName("google.spanner.v1.Spanner/Commit")
           .setRequestMarshaller(ProtoUtils.marshaller(CommitRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(CommitResponse.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<RollbackRequest, Empty> rollbackMethodDescriptor =
@@ -182,6 +194,7 @@ public class GrpcSpannerStub extends SpannerStub {
           .setFullMethodName("google.spanner.v1.Spanner/Rollback")
           .setRequestMarshaller(ProtoUtils.marshaller(RollbackRequest.getDefaultInstance()))
           .setResponseMarshaller(ProtoUtils.marshaller(Empty.getDefaultInstance()))
+          .setSampledToLocalTracing(true)
           .build();
 
   private static final MethodDescriptor<PartitionQueryRequest, PartitionResponse>
@@ -192,6 +205,7 @@ public class GrpcSpannerStub extends SpannerStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(PartitionQueryRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(PartitionResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<PartitionReadRequest, PartitionResponse>
@@ -202,6 +216,7 @@ public class GrpcSpannerStub extends SpannerStub {
               .setRequestMarshaller(
                   ProtoUtils.marshaller(PartitionReadRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(PartitionResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private static final MethodDescriptor<BatchWriteRequest, BatchWriteResponse>
@@ -211,6 +226,7 @@ public class GrpcSpannerStub extends SpannerStub {
               .setFullMethodName("google.spanner.v1.Spanner/BatchWrite")
               .setRequestMarshaller(ProtoUtils.marshaller(BatchWriteRequest.getDefaultInstance()))
               .setResponseMarshaller(ProtoUtils.marshaller(BatchWriteResponse.getDefaultInstance()))
+              .setSampledToLocalTracing(true)
               .build();
 
   private final UnaryCallable<CreateSessionRequest, Session> createSessionCallable;