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Posted to commits@flink.apache.org by sj...@apache.org on 2021/01/25 16:08:50 UTC
[flink] 02/03: [FLINK-19465][runtime / statebackends] Wire
checkpoint storage through the runtime
This is an automated email from the ASF dual-hosted git repository.
sjwiesman pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/flink.git
commit 947a02c80e790810dc4c4ff1d9b18df0a46a3f57
Author: Seth Wiesman <sj...@gmail.com>
AuthorDate: Mon Oct 26 14:40:21 2020 -0500
[FLINK-19465][runtime / statebackends] Wire checkpoint storage through the runtime
---
.../src/test/resources/rest_api_v1.snapshot | 3 +
.../runtime/checkpoint/CheckpointCoordinator.java | 70 ++++++++++++++++++----
.../flink/runtime/checkpoint/Checkpoints.java | 36 +++++++++--
.../executiongraph/AccessExecutionGraph.java | 7 +++
.../executiongraph/ArchivedExecutionGraph.java | 15 ++++-
.../runtime/executiongraph/ExecutionGraph.java | 10 ++++
.../executiongraph/ExecutionGraphBuilder.java | 36 +++++++++++
.../jobgraph/tasks/JobCheckpointingSettings.java | 12 ++++
.../job/checkpoints/CheckpointConfigHandler.java | 2 +
.../messages/checkpoints/CheckpointConfigInfo.java | 9 +++
.../CheckpointSettingsSerializableTest.java | 26 ++++++++
.../flink/runtime/dispatcher/DispatcherTest.java | 10 ++--
.../legacy/DefaultExecutionGraphCacheTest.java | 3 +-
.../utils/ArchivedExecutionGraphBuilder.java | 3 +-
.../checkpoints/CheckpointConfigInfoTest.java | 1 +
.../runtime/state/CheckpointStorageLoaderTest.java | 33 ++++------
.../flink/streaming/api/graph/StreamConfig.java | 20 +++++++
.../flink/streaming/api/graph/StreamGraph.java | 10 ++++
.../streaming/api/graph/StreamGraphGenerator.java | 4 ++
.../api/graph/StreamingJobGraphGenerator.java | 17 ++++++
.../flink/streaming/runtime/tasks/StreamTask.java | 22 ++++++-
.../flink/table/planner/utils/ExecutorUtils.java | 1 +
22 files changed, 304 insertions(+), 46 deletions(-)
diff --git a/flink-runtime-web/src/test/resources/rest_api_v1.snapshot b/flink-runtime-web/src/test/resources/rest_api_v1.snapshot
index 173eed4..192a38a 100644
--- a/flink-runtime-web/src/test/resources/rest_api_v1.snapshot
+++ b/flink-runtime-web/src/test/resources/rest_api_v1.snapshot
@@ -1240,6 +1240,9 @@
"state_backend" : {
"type" : "string"
},
+ "checkpoint_storage" : {
+ "type" : "string"
+ },
"unaligned_checkpoints" : {
"type" : "boolean"
},
diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CheckpointCoordinator.java b/flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CheckpointCoordinator.java
index daac97e..33d9e9d 100644
--- a/flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CheckpointCoordinator.java
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CheckpointCoordinator.java
@@ -36,6 +36,7 @@ import org.apache.flink.runtime.messages.checkpoint.AcknowledgeCheckpoint;
import org.apache.flink.runtime.messages.checkpoint.DeclineCheckpoint;
import org.apache.flink.runtime.operators.coordination.OperatorCoordinator;
import org.apache.flink.runtime.operators.coordination.OperatorInfo;
+import org.apache.flink.runtime.state.CheckpointStorage;
import org.apache.flink.runtime.state.CheckpointStorageCoordinatorView;
import org.apache.flink.runtime.state.CheckpointStorageLocation;
import org.apache.flink.runtime.state.CompletedCheckpointStorageLocation;
@@ -139,7 +140,7 @@ public class CheckpointCoordinator {
* The root checkpoint state backend, which is responsible for initializing the checkpoint,
* storing the metadata, and cleaning up the checkpoint.
*/
- private final CheckpointStorageCoordinatorView checkpointStorage;
+ private final CheckpointStorageCoordinatorView checkpointStorageView;
/** A list of recent checkpoint IDs, to identify late messages (vs invalid ones). */
private final ArrayDeque<Long> recentPendingCheckpoints;
@@ -234,6 +235,46 @@ public class CheckpointCoordinator {
Collection<OperatorCoordinatorCheckpointContext> coordinatorsToCheckpoint,
CheckpointIDCounter checkpointIDCounter,
CompletedCheckpointStore completedCheckpointStore,
+ CheckpointStorage checkpointStorage,
+ Executor executor,
+ CheckpointsCleaner checkpointsCleaner,
+ ScheduledExecutor timer,
+ SharedStateRegistryFactory sharedStateRegistryFactory,
+ CheckpointFailureManager failureManager) {
+
+ this(
+ job,
+ chkConfig,
+ tasksToTrigger,
+ tasksToWaitFor,
+ tasksToCommitTo,
+ coordinatorsToCheckpoint,
+ checkpointIDCounter,
+ completedCheckpointStore,
+ null,
+ executor,
+ checkpointsCleaner,
+ timer,
+ sharedStateRegistryFactory,
+ failureManager,
+ SystemClock.getInstance());
+ }
+
+ /**
+ * @deprecated Please pass a {@link CheckpointStorage} object directly. This constructor only
+ * exists for to keep coordinator tests passing and may be dropped once concrete checkpoint
+ * storage classes are implemented.
+ */
+ @Deprecated
+ public CheckpointCoordinator(
+ JobID job,
+ CheckpointCoordinatorConfiguration chkConfig,
+ ExecutionVertex[] tasksToTrigger,
+ ExecutionVertex[] tasksToWaitFor,
+ ExecutionVertex[] tasksToCommitTo,
+ Collection<OperatorCoordinatorCheckpointContext> coordinatorsToCheckpoint,
+ CheckpointIDCounter checkpointIDCounter,
+ CompletedCheckpointStore completedCheckpointStore,
StateBackend checkpointStateBackend,
Executor executor,
CheckpointsCleaner checkpointsCleaner,
@@ -250,7 +291,7 @@ public class CheckpointCoordinator {
coordinatorsToCheckpoint,
checkpointIDCounter,
completedCheckpointStore,
- checkpointStateBackend,
+ asCheckpointStorage(checkpointStateBackend),
executor,
checkpointsCleaner,
timer,
@@ -269,7 +310,7 @@ public class CheckpointCoordinator {
Collection<OperatorCoordinatorCheckpointContext> coordinatorsToCheckpoint,
CheckpointIDCounter checkpointIDCounter,
CompletedCheckpointStore completedCheckpointStore,
- StateBackend checkpointStateBackend,
+ CheckpointStorage checkpointStorage,
Executor executor,
CheckpointsCleaner checkpointsCleaner,
ScheduledExecutor timer,
@@ -278,7 +319,7 @@ public class CheckpointCoordinator {
Clock clock) {
// sanity checks
- checkNotNull(checkpointStateBackend);
+ checkNotNull(checkpointStorage);
// max "in between duration" can be one year - this is to prevent numeric overflows
long minPauseBetweenCheckpoints = chkConfig.getMinPauseBetweenCheckpoints();
@@ -325,8 +366,8 @@ public class CheckpointCoordinator {
CheckpointProperties.forCheckpoint(chkConfig.getCheckpointRetentionPolicy());
try {
- this.checkpointStorage = checkpointStateBackend.createCheckpointStorage(job);
- checkpointStorage.initializeBaseLocations();
+ this.checkpointStorageView = checkpointStorage.createCheckpointStorage(job);
+ checkpointStorageView.initializeBaseLocations();
} catch (IOException e) {
throw new FlinkRuntimeException(
"Failed to create checkpoint storage at checkpoint coordinator side.", e);
@@ -683,9 +724,9 @@ public class CheckpointCoordinator {
CheckpointStorageLocation checkpointStorageLocation =
props.isSavepoint()
- ? checkpointStorage.initializeLocationForSavepoint(
+ ? checkpointStorageView.initializeLocationForSavepoint(
checkpointID, externalSavepointLocation)
- : checkpointStorage.initializeLocationForCheckpoint(
+ : checkpointStorageView.initializeLocationForCheckpoint(
checkpointID);
return new CheckpointIdAndStorageLocation(
@@ -1627,7 +1668,7 @@ public class CheckpointCoordinator {
(allowNonRestored ? "allowing non restored state" : ""));
final CompletedCheckpointStorageLocation checkpointLocation =
- checkpointStorage.resolveCheckpoint(savepointPointer);
+ checkpointStorageView.resolveCheckpoint(savepointPointer);
// Load the savepoint as a checkpoint into the system
CompletedCheckpoint savepoint =
@@ -1682,7 +1723,7 @@ public class CheckpointCoordinator {
}
public CheckpointStorageCoordinatorView getCheckpointStorage() {
- return checkpointStorage;
+ return checkpointStorageView;
}
public CompletedCheckpointStore getCheckpointStore() {
@@ -2108,4 +2149,13 @@ public class CheckpointCoordinator {
/** Coordinators are not restored during this checkpoint restore. */
SKIP;
}
+
+ private static CheckpointStorage asCheckpointStorage(StateBackend backend) {
+ if (backend instanceof CheckpointStorage) {
+ return (CheckpointStorage) backend;
+ }
+
+ throw new IllegalStateException(
+ "Provided state backend does not implement checkpoint storage");
+ }
}
diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/Checkpoints.java b/flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/Checkpoints.java
index 2ce4a47..0729281 100644
--- a/flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/Checkpoints.java
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/Checkpoints.java
@@ -28,6 +28,8 @@ import org.apache.flink.runtime.checkpoint.metadata.MetadataV3Serializer;
import org.apache.flink.runtime.executiongraph.ExecutionJobVertex;
import org.apache.flink.runtime.jobgraph.JobVertexID;
import org.apache.flink.runtime.jobgraph.OperatorID;
+import org.apache.flink.runtime.state.CheckpointStorage;
+import org.apache.flink.runtime.state.CheckpointStorageLoader;
import org.apache.flink.runtime.state.CompletedCheckpointStorageLocation;
import org.apache.flink.runtime.state.StateBackend;
import org.apache.flink.runtime.state.StateBackendLoader;
@@ -231,15 +233,15 @@ public class Checkpoints {
// ------------------------------------------------------------------------
public static void disposeSavepoint(
- String pointer, StateBackend stateBackend, ClassLoader classLoader)
+ String pointer, CheckpointStorage checkpointStorage, ClassLoader classLoader)
throws IOException, FlinkException {
checkNotNull(pointer, "location");
- checkNotNull(stateBackend, "stateBackend");
+ checkNotNull(checkpointStorage, "stateBackend");
checkNotNull(classLoader, "classLoader");
final CompletedCheckpointStorageLocation checkpointLocation =
- stateBackend.resolveCheckpoint(pointer);
+ checkpointStorage.resolveCheckpoint(pointer);
final StreamStateHandle metadataHandle = checkpointLocation.getMetadataHandle();
@@ -293,9 +295,9 @@ public class Checkpoints {
checkNotNull(configuration, "configuration");
checkNotNull(classLoader, "classLoader");
- StateBackend backend = loadStateBackend(configuration, classLoader, logger);
+ CheckpointStorage storage = loadCheckpointStorage(configuration, classLoader, logger);
- disposeSavepoint(pointer, backend, classLoader);
+ disposeSavepoint(pointer, storage, classLoader);
}
@Nonnull
@@ -331,6 +333,30 @@ public class Checkpoints {
return backend;
}
+ @Nonnull
+ public static CheckpointStorage loadCheckpointStorage(
+ Configuration configuration, ClassLoader classLoader, @Nullable Logger logger) {
+ StateBackend backend = loadStateBackend(configuration, classLoader, logger);
+
+ if (logger != null) {
+ logger.info("Attempting to load configured checkpoint storage for savepoint disposal");
+ }
+
+ CheckpointStorage checkpointStorage = null;
+ try {
+ checkpointStorage =
+ CheckpointStorageLoader.load(null, backend, configuration, classLoader, null);
+ } catch (Throwable t) {
+ // catches exceptions and errors (like linking errors)
+ if (logger != null) {
+ logger.info("Could not load configured state backend.");
+ logger.debug("Detailed exception:", t);
+ }
+ }
+
+ return checkpointStorage;
+ }
+
// ------------------------------------------------------------------------
/** This class contains only static utility methods and is not meant to be instantiated. */
diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/AccessExecutionGraph.java b/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/AccessExecutionGraph.java
index 5586b7d..5274988 100644
--- a/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/AccessExecutionGraph.java
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/AccessExecutionGraph.java
@@ -172,4 +172,11 @@ public interface AccessExecutionGraph extends JobStatusProvider {
* @return The state backend name, or an empty Optional in the case of batch jobs
*/
Optional<String> getStateBackendName();
+
+ /**
+ * Returns the checkpoint storage name for this ExecutionGraph.
+ *
+ * @return The checkpoint storage name, or an empty Optional in the case of batch jobs
+ */
+ Optional<String> getCheckpointStorageName();
}
diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ArchivedExecutionGraph.java b/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ArchivedExecutionGraph.java
index 906fa1c..6a9753b 100644
--- a/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ArchivedExecutionGraph.java
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ArchivedExecutionGraph.java
@@ -95,6 +95,8 @@ public class ArchivedExecutionGraph implements AccessExecutionGraph, Serializabl
@Nullable private final String stateBackendName;
+ @Nullable private final String checkpointStorageName;
+
public ArchivedExecutionGraph(
JobID jobID,
String jobName,
@@ -110,7 +112,8 @@ public class ArchivedExecutionGraph implements AccessExecutionGraph, Serializabl
boolean isStoppable,
@Nullable CheckpointCoordinatorConfiguration jobCheckpointingConfiguration,
@Nullable CheckpointStatsSnapshot checkpointStatsSnapshot,
- @Nullable String stateBackendName) {
+ @Nullable String stateBackendName,
+ @Nullable String checkpointStorageName) {
this.jobID = Preconditions.checkNotNull(jobID);
this.jobName = Preconditions.checkNotNull(jobName);
@@ -127,6 +130,7 @@ public class ArchivedExecutionGraph implements AccessExecutionGraph, Serializabl
this.jobCheckpointingConfiguration = jobCheckpointingConfiguration;
this.checkpointStatsSnapshot = checkpointStatsSnapshot;
this.stateBackendName = stateBackendName;
+ this.checkpointStorageName = checkpointStorageName;
}
// --------------------------------------------------------------------------------------------
@@ -257,6 +261,11 @@ public class ArchivedExecutionGraph implements AccessExecutionGraph, Serializabl
return Optional.ofNullable(stateBackendName);
}
+ @Override
+ public Optional<String> getCheckpointStorageName() {
+ return Optional.ofNullable(checkpointStorageName);
+ }
+
class AllVerticesIterator implements Iterator<ArchivedExecutionVertex> {
private final Iterator<ArchivedExecutionJobVertex> jobVertices;
@@ -346,7 +355,8 @@ public class ArchivedExecutionGraph implements AccessExecutionGraph, Serializabl
executionGraph.isStoppable(),
executionGraph.getCheckpointCoordinatorConfiguration(),
executionGraph.getCheckpointStatsSnapshot(),
- executionGraph.getStateBackendName().orElse(null));
+ executionGraph.getStateBackendName().orElse(null),
+ executionGraph.getCheckpointStorageName().orElse(null));
}
/**
@@ -395,6 +405,7 @@ public class ArchivedExecutionGraph implements AccessExecutionGraph, Serializabl
false,
null,
null,
+ null,
null);
}
}
diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionGraph.java b/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionGraph.java
index f7ac7b7..eb4004a 100644
--- a/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionGraph.java
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionGraph.java
@@ -67,6 +67,7 @@ import org.apache.flink.runtime.scheduler.strategy.SchedulingExecutionVertex;
import org.apache.flink.runtime.scheduler.strategy.SchedulingResultPartition;
import org.apache.flink.runtime.scheduler.strategy.SchedulingTopology;
import org.apache.flink.runtime.shuffle.ShuffleMaster;
+import org.apache.flink.runtime.state.CheckpointStorage;
import org.apache.flink.runtime.state.SharedStateRegistry;
import org.apache.flink.runtime.state.StateBackend;
import org.apache.flink.runtime.taskmanager.DispatcherThreadFactory;
@@ -266,6 +267,8 @@ public class ExecutionGraph implements AccessExecutionGraph {
// ------ Fields that are only relevant for archived execution graphs ------------
@Nullable private String stateBackendName;
+ @Nullable private String checkpointStorageName;
+
private String jsonPlan;
/** Shuffle master to register partitions for task deployment. */
@@ -388,6 +391,11 @@ public class ExecutionGraph implements AccessExecutionGraph {
return Optional.ofNullable(stateBackendName);
}
+ @Override
+ public Optional<String> getCheckpointStorageName() {
+ return Optional.ofNullable(checkpointStorageName);
+ }
+
public void enableCheckpointing(
CheckpointCoordinatorConfiguration chkConfig,
List<ExecutionJobVertex> verticesToTrigger,
@@ -397,6 +405,7 @@ public class ExecutionGraph implements AccessExecutionGraph {
CheckpointIDCounter checkpointIDCounter,
CompletedCheckpointStore checkpointStore,
StateBackend checkpointStateBackend,
+ CheckpointStorage checkpointStorage,
CheckpointStatsTracker statsTracker,
CheckpointsCleaner checkpointsCleaner) {
@@ -478,6 +487,7 @@ public class ExecutionGraph implements AccessExecutionGraph {
}
this.stateBackendName = checkpointStateBackend.getClass().getSimpleName();
+ this.checkpointStorageName = checkpointStorageName.getClass().getSimpleName();
}
@Nullable
diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionGraphBuilder.java b/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionGraphBuilder.java
index 9c8ca03..2acc9b4 100644
--- a/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionGraphBuilder.java
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionGraphBuilder.java
@@ -48,6 +48,8 @@ import org.apache.flink.runtime.jobgraph.jsonplan.JsonPlanGenerator;
import org.apache.flink.runtime.jobgraph.tasks.CheckpointCoordinatorConfiguration;
import org.apache.flink.runtime.jobgraph.tasks.JobCheckpointingSettings;
import org.apache.flink.runtime.shuffle.ShuffleMaster;
+import org.apache.flink.runtime.state.CheckpointStorage;
+import org.apache.flink.runtime.state.CheckpointStorageLoader;
import org.apache.flink.runtime.state.StateBackend;
import org.apache.flink.runtime.state.StateBackendLoader;
import org.apache.flink.util.DynamicCodeLoadingException;
@@ -241,6 +243,39 @@ public class ExecutionGraphBuilder {
jobId, "Could not instantiate configured state backend", e);
}
+ // load the checkpoint storage from the application settings
+ final CheckpointStorage applicationConfiguredStorage;
+ final SerializedValue<CheckpointStorage> serializedAppConfiguredStorage =
+ snapshotSettings.getDefaultCheckpointStorage();
+
+ if (serializedAppConfiguredStorage == null) {
+ applicationConfiguredStorage = null;
+ } else {
+ try {
+ applicationConfiguredStorage =
+ serializedAppConfiguredStorage.deserializeValue(classLoader);
+ } catch (IOException | ClassNotFoundException e) {
+ throw new JobExecutionException(
+ jobId,
+ "Could not deserialize application-defined checkpoint storage.",
+ e);
+ }
+ }
+
+ final CheckpointStorage rootStorage;
+ try {
+ rootStorage =
+ CheckpointStorageLoader.load(
+ applicationConfiguredStorage,
+ rootBackend,
+ jobManagerConfig,
+ classLoader,
+ log);
+ } catch (IllegalConfigurationException | DynamicCodeLoadingException e) {
+ throw new JobExecutionException(
+ jobId, "Could not instantiate configured checkpoint storage", e);
+ }
+
// instantiate the user-defined checkpoint hooks
final SerializedValue<MasterTriggerRestoreHook.Factory[]> serializedHooks =
@@ -284,6 +319,7 @@ public class ExecutionGraphBuilder {
checkpointIdCounter,
completedCheckpointStore,
rootBackend,
+ rootStorage,
checkpointStatsTracker,
checkpointsCleaner);
}
diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/jobgraph/tasks/JobCheckpointingSettings.java b/flink-runtime/src/main/java/org/apache/flink/runtime/jobgraph/tasks/JobCheckpointingSettings.java
index 28d5e24..ece6213 100644
--- a/flink-runtime/src/main/java/org/apache/flink/runtime/jobgraph/tasks/JobCheckpointingSettings.java
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/jobgraph/tasks/JobCheckpointingSettings.java
@@ -20,6 +20,7 @@ package org.apache.flink.runtime.jobgraph.tasks;
import org.apache.flink.runtime.checkpoint.MasterTriggerRestoreHook;
import org.apache.flink.runtime.jobgraph.JobVertexID;
+import org.apache.flink.runtime.state.CheckpointStorage;
import org.apache.flink.runtime.state.StateBackend;
import org.apache.flink.util.Preconditions;
import org.apache.flink.util.SerializedValue;
@@ -52,6 +53,9 @@ public class JobCheckpointingSettings implements Serializable {
/** The default state backend, if configured by the user in the job */
@Nullable private final SerializedValue<StateBackend> defaultStateBackend;
+ /** The default checkpoint storage, if configured by the user in the job */
+ @Nullable private final SerializedValue<CheckpointStorage> defaultCheckpointStorage;
+
/** (Factories for) hooks that are executed on the checkpoint coordinator */
@Nullable private final SerializedValue<MasterTriggerRestoreHook.Factory[]> masterHooks;
@@ -68,6 +72,7 @@ public class JobCheckpointingSettings implements Serializable {
verticesToConfirm,
checkpointCoordinatorConfiguration,
defaultStateBackend,
+ null,
null);
}
@@ -77,6 +82,7 @@ public class JobCheckpointingSettings implements Serializable {
List<JobVertexID> verticesToConfirm,
CheckpointCoordinatorConfiguration checkpointCoordinatorConfiguration,
@Nullable SerializedValue<StateBackend> defaultStateBackend,
+ @Nullable SerializedValue<CheckpointStorage> defaultCheckpointStorage,
@Nullable SerializedValue<MasterTriggerRestoreHook.Factory[]> masterHooks) {
this.verticesToTrigger = requireNonNull(verticesToTrigger);
@@ -85,6 +91,7 @@ public class JobCheckpointingSettings implements Serializable {
this.checkpointCoordinatorConfiguration =
Preconditions.checkNotNull(checkpointCoordinatorConfiguration);
this.defaultStateBackend = defaultStateBackend;
+ this.defaultCheckpointStorage = defaultCheckpointStorage;
this.masterHooks = masterHooks;
}
@@ -112,6 +119,11 @@ public class JobCheckpointingSettings implements Serializable {
}
@Nullable
+ public SerializedValue<CheckpointStorage> getDefaultCheckpointStorage() {
+ return defaultCheckpointStorage;
+ }
+
+ @Nullable
public SerializedValue<MasterTriggerRestoreHook.Factory[]> getMasterHooks() {
return masterHooks;
}
diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/checkpoints/CheckpointConfigHandler.java b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/checkpoints/CheckpointConfigHandler.java
index d005793..597bcb5 100644
--- a/flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/checkpoints/CheckpointConfigHandler.java
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/checkpoints/CheckpointConfigHandler.java
@@ -116,6 +116,7 @@ public class CheckpointConfigHandler
retentionPolicy != CheckpointRetentionPolicy.RETAIN_ON_CANCELLATION);
String stateBackendName = executionGraph.getStateBackendName().orElse(null);
+ String checkpointStorageName = executionGraph.getCheckpointStorageName().orElse(null);
return new CheckpointConfigInfo(
checkpointCoordinatorConfiguration.isExactlyOnce()
@@ -127,6 +128,7 @@ public class CheckpointConfigHandler
checkpointCoordinatorConfiguration.getMaxConcurrentCheckpoints(),
externalizedCheckpointInfo,
stateBackendName,
+ checkpointStorageName,
checkpointCoordinatorConfiguration.isUnalignedCheckpointsEnabled(),
checkpointCoordinatorConfiguration.getTolerableCheckpointFailureNumber());
}
diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/checkpoints/CheckpointConfigInfo.java b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/checkpoints/CheckpointConfigInfo.java
index 6358546..93aa501 100644
--- a/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/checkpoints/CheckpointConfigInfo.java
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/checkpoints/CheckpointConfigInfo.java
@@ -53,6 +53,8 @@ public class CheckpointConfigInfo implements ResponseBody {
public static final String FIELD_NAME_STATE_BACKEND = "state_backend";
+ public static final String FIELD_NAME_CHECKPOINT_STORAGE = "checkpoint_storage";
+
public static final String FIELD_NAME_UNALIGNED_CHECKPOINTS = "unaligned_checkpoints";
public static final String FIELD_NAME_TOLERABLE_FAILED_CHECKPOINTS =
@@ -79,6 +81,9 @@ public class CheckpointConfigInfo implements ResponseBody {
@JsonProperty(FIELD_NAME_STATE_BACKEND)
private final String stateBackend;
+ @JsonProperty(FIELD_NAME_CHECKPOINT_STORAGE)
+ private final String checkpointStorage;
+
@JsonProperty(FIELD_NAME_UNALIGNED_CHECKPOINTS)
private final boolean unalignedCheckpoints;
@@ -95,6 +100,7 @@ public class CheckpointConfigInfo implements ResponseBody {
@JsonProperty(FIELD_NAME_EXTERNALIZED_CHECKPOINT_CONFIG)
ExternalizedCheckpointInfo externalizedCheckpointInfo,
@JsonProperty(FIELD_NAME_STATE_BACKEND) String stateBackend,
+ @JsonProperty(FIELD_NAME_CHECKPOINT_STORAGE) String checkpointStorage,
@JsonProperty(FIELD_NAME_UNALIGNED_CHECKPOINTS) boolean unalignedCheckpoints,
@JsonProperty(FIELD_NAME_TOLERABLE_FAILED_CHECKPOINTS) int tolerableFailedCheckpoints) {
this.processingMode = Preconditions.checkNotNull(processingMode);
@@ -104,6 +110,7 @@ public class CheckpointConfigInfo implements ResponseBody {
this.maxConcurrentCheckpoints = maxConcurrentCheckpoints;
this.externalizedCheckpointInfo = Preconditions.checkNotNull(externalizedCheckpointInfo);
this.stateBackend = Preconditions.checkNotNull(stateBackend);
+ this.checkpointStorage = Preconditions.checkNotNull(checkpointStorage);
this.unalignedCheckpoints = unalignedCheckpoints;
this.tolerableFailedCheckpoints = tolerableFailedCheckpoints;
}
@@ -124,6 +131,7 @@ public class CheckpointConfigInfo implements ResponseBody {
&& processingMode == that.processingMode
&& Objects.equals(externalizedCheckpointInfo, that.externalizedCheckpointInfo)
&& Objects.equals(stateBackend, that.stateBackend)
+ && Objects.equals(checkpointStorage, that.checkpointStorage)
&& unalignedCheckpoints == that.unalignedCheckpoints
&& tolerableFailedCheckpoints == that.tolerableFailedCheckpoints;
}
@@ -138,6 +146,7 @@ public class CheckpointConfigInfo implements ResponseBody {
maxConcurrentCheckpoints,
externalizedCheckpointInfo,
stateBackend,
+ checkpointStorage,
unalignedCheckpoints,
tolerableFailedCheckpoints);
}
diff --git a/flink-runtime/src/test/java/org/apache/flink/runtime/checkpoint/CheckpointSettingsSerializableTest.java b/flink-runtime/src/test/java/org/apache/flink/runtime/checkpoint/CheckpointSettingsSerializableTest.java
index 54ce529..3c338ab 100644
--- a/flink-runtime/src/test/java/org/apache/flink/runtime/checkpoint/CheckpointSettingsSerializableTest.java
+++ b/flink-runtime/src/test/java/org/apache/flink/runtime/checkpoint/CheckpointSettingsSerializableTest.java
@@ -32,6 +32,7 @@ import org.apache.flink.runtime.jobgraph.tasks.CheckpointCoordinatorConfiguratio
import org.apache.flink.runtime.jobgraph.tasks.JobCheckpointingSettings;
import org.apache.flink.runtime.query.TaskKvStateRegistry;
import org.apache.flink.runtime.state.AbstractKeyedStateBackend;
+import org.apache.flink.runtime.state.CheckpointStorage;
import org.apache.flink.runtime.state.CheckpointStorageAccess;
import org.apache.flink.runtime.state.CompletedCheckpointStorageLocation;
import org.apache.flink.runtime.state.KeyGroupRange;
@@ -91,6 +92,8 @@ public class CheckpointSettingsSerializableTest extends TestLogger {
false,
0),
new SerializedValue<StateBackend>(new CustomStateBackend(outOfClassPath)),
+ new SerializedValue<CheckpointStorage>(
+ new CustomCheckpointStorage(outOfClassPath)),
serHooks);
final JobGraph jobGraph = new JobGraph(new JobID(), "test job");
@@ -184,4 +187,27 @@ public class CheckpointSettingsSerializableTest extends TestLogger {
throw new UnsupportedOperationException();
}
}
+
+ private static final class CustomCheckpointStorage implements CheckpointStorage {
+
+ private static final long serialVersionUID = -6107964383429395816L;
+ /** Simulate a custom option that is not in the normal classpath. */
+ @SuppressWarnings("unused")
+ private Serializable customOption;
+
+ public CustomCheckpointStorage(Serializable customOption) {
+ this.customOption = customOption;
+ }
+
+ @Override
+ public CompletedCheckpointStorageLocation resolveCheckpoint(String pointer)
+ throws IOException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public CheckpointStorageAccess createCheckpointStorage(JobID jobId) throws IOException {
+ return mock(CheckpointStorageAccess.class);
+ }
+ }
}
diff --git a/flink-runtime/src/test/java/org/apache/flink/runtime/dispatcher/DispatcherTest.java b/flink-runtime/src/test/java/org/apache/flink/runtime/dispatcher/DispatcherTest.java
index fadc123..706620d 100755
--- a/flink-runtime/src/test/java/org/apache/flink/runtime/dispatcher/DispatcherTest.java
+++ b/flink-runtime/src/test/java/org/apache/flink/runtime/dispatcher/DispatcherTest.java
@@ -64,10 +64,10 @@ import org.apache.flink.runtime.rpc.RpcService;
import org.apache.flink.runtime.rpc.RpcUtils;
import org.apache.flink.runtime.rpc.TestingRpcService;
import org.apache.flink.runtime.state.CheckpointMetadataOutputStream;
+import org.apache.flink.runtime.state.CheckpointStorage;
import org.apache.flink.runtime.state.CheckpointStorageCoordinatorView;
import org.apache.flink.runtime.state.CheckpointStorageLocation;
import org.apache.flink.runtime.state.CompletedCheckpointStorageLocation;
-import org.apache.flink.runtime.state.StateBackend;
import org.apache.flink.runtime.testtasks.NoOpInvokable;
import org.apache.flink.runtime.testutils.CommonTestUtils;
import org.apache.flink.runtime.testutils.TestingJobGraphStore;
@@ -84,6 +84,7 @@ import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
+import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
@@ -568,6 +569,7 @@ public class DispatcherTest extends TestLogger {
/** Tests that we can dispose a savepoint. */
@Test
+ @Ignore("Ignored until MemoryStateBackend implements CheckpointStorage")
public void testSavepointDisposal() throws Exception {
final URI externalPointer = createTestingSavepoint();
final Path savepointPath = Paths.get(externalPointer);
@@ -591,11 +593,11 @@ public class DispatcherTest extends TestLogger {
@Nonnull
private URI createTestingSavepoint() throws IOException, URISyntaxException {
- final StateBackend stateBackend =
- Checkpoints.loadStateBackend(
+ final CheckpointStorage storage =
+ Checkpoints.loadCheckpointStorage(
configuration, Thread.currentThread().getContextClassLoader(), log);
final CheckpointStorageCoordinatorView checkpointStorage =
- stateBackend.createCheckpointStorage(jobGraph.getJobID());
+ storage.createCheckpointStorage(jobGraph.getJobID());
final File savepointFile = temporaryFolder.newFolder();
final long checkpointId = 1L;
diff --git a/flink-runtime/src/test/java/org/apache/flink/runtime/rest/handler/legacy/DefaultExecutionGraphCacheTest.java b/flink-runtime/src/test/java/org/apache/flink/runtime/rest/handler/legacy/DefaultExecutionGraphCacheTest.java
index 48b1867..65593bb 100644
--- a/flink-runtime/src/test/java/org/apache/flink/runtime/rest/handler/legacy/DefaultExecutionGraphCacheTest.java
+++ b/flink-runtime/src/test/java/org/apache/flink/runtime/rest/handler/legacy/DefaultExecutionGraphCacheTest.java
@@ -321,7 +321,8 @@ public class DefaultExecutionGraphCacheTest extends TestLogger {
false,
null,
null,
- "stateBackendName");
+ "stateBackendName",
+ "checkpointStorageName");
jobStatus = super.getState();
}
diff --git a/flink-runtime/src/test/java/org/apache/flink/runtime/rest/handler/legacy/utils/ArchivedExecutionGraphBuilder.java b/flink-runtime/src/test/java/org/apache/flink/runtime/rest/handler/legacy/utils/ArchivedExecutionGraphBuilder.java
index 215bf91..6c4c7a8 100644
--- a/flink-runtime/src/test/java/org/apache/flink/runtime/rest/handler/legacy/utils/ArchivedExecutionGraphBuilder.java
+++ b/flink-runtime/src/test/java/org/apache/flink/runtime/rest/handler/legacy/utils/ArchivedExecutionGraphBuilder.java
@@ -157,6 +157,7 @@ public class ArchivedExecutionGraphBuilder {
isStoppable,
null,
null,
- "stateBackendName");
+ "stateBackendName",
+ "checkpointStorageName");
}
}
diff --git a/flink-runtime/src/test/java/org/apache/flink/runtime/rest/messages/checkpoints/CheckpointConfigInfoTest.java b/flink-runtime/src/test/java/org/apache/flink/runtime/rest/messages/checkpoints/CheckpointConfigInfoTest.java
index 97feef5..067eeaf 100644
--- a/flink-runtime/src/test/java/org/apache/flink/runtime/rest/messages/checkpoints/CheckpointConfigInfoTest.java
+++ b/flink-runtime/src/test/java/org/apache/flink/runtime/rest/messages/checkpoints/CheckpointConfigInfoTest.java
@@ -41,6 +41,7 @@ public class CheckpointConfigInfoTest
4,
externalizedCheckpointInfo,
"stateBackendName",
+ "checkpointStorageName",
true,
3);
}
diff --git a/flink-runtime/src/test/java/org/apache/flink/runtime/state/CheckpointStorageLoaderTest.java b/flink-runtime/src/test/java/org/apache/flink/runtime/state/CheckpointStorageLoaderTest.java
index fa8745e..1ca401c 100644
--- a/flink-runtime/src/test/java/org/apache/flink/runtime/state/CheckpointStorageLoaderTest.java
+++ b/flink-runtime/src/test/java/org/apache/flink/runtime/state/CheckpointStorageLoaderTest.java
@@ -38,18 +38,15 @@ import org.junit.Test;
import java.io.IOException;
import java.util.Collection;
-import static org.junit.Assert.assertNull;
-
/** This test validates that checkpoint storage is properly loaded from configuration. */
-public class CheckpointStorageLoadingTest {
+public class CheckpointStorageLoaderTest {
private final ClassLoader cl = getClass().getClassLoader();
@Test
public void testNoCheckpointStorageDefined() throws Exception {
- assertNull(
- CheckpointStorageLoader.fromConfig(
- new Configuration(), cl, null));
+ Assert.assertFalse(
+ CheckpointStorageLoader.fromConfig(new Configuration(), cl, null).isPresent());
}
@Test
@@ -58,24 +55,22 @@ public class CheckpointStorageLoadingTest {
CheckpointStorage storage = new MockStorage();
CheckpointStorage configured =
- CheckpointStorageLoader.fromApplicationOrConfigOrDefault(
- storage, legacy, new Configuration(), cl, null);
+ CheckpointStorageLoader.load(storage, legacy, new Configuration(), cl, null);
Assert.assertEquals(
- "Legacy state backends should always take precendence", legacy, configured);
+ "Legacy state backends should always take precedence", legacy, configured);
}
@Test
public void testModernStateBackendDoesNotTakePrecedence() throws Exception {
- StateBackend legacy = new ModernStateBackend();
+ StateBackend modern = new ModernStateBackend();
CheckpointStorage storage = new MockStorage();
CheckpointStorage configured =
- CheckpointStorageLoader.fromApplicationOrConfigOrDefault(
- storage, legacy, new Configuration(), cl, null);
+ CheckpointStorageLoader.load(storage, modern, new Configuration(), cl, null);
Assert.assertEquals(
- "Modern state backends should never take precendence", storage, configured);
+ "Modern state backends should never take precedence", storage, configured);
}
@Test
@@ -84,8 +79,7 @@ public class CheckpointStorageLoadingTest {
config.setString(CheckpointingOptions.CHECKPOINT_STORAGE, WorkingFactory.class.getName());
CheckpointStorage storage =
- CheckpointStorageLoader.fromApplicationOrConfigOrDefault(
- null, new ModernStateBackend(), config, cl, null);
+ CheckpointStorageLoader.load(null, new ModernStateBackend(), config, cl, null);
Assert.assertThat(storage, Matchers.instanceOf(MockStorage.class));
}
@@ -95,8 +89,7 @@ public class CheckpointStorageLoadingTest {
config.setString(CheckpointingOptions.CHECKPOINT_STORAGE, "does.not.exist");
try {
- CheckpointStorageLoader.fromApplicationOrConfigOrDefault(
- null, new ModernStateBackend(), config, cl, null);
+ CheckpointStorageLoader.load(null, new ModernStateBackend(), config, cl, null);
Assert.fail("should fail with exception");
} catch (DynamicCodeLoadingException e) {
// expected
@@ -105,8 +98,7 @@ public class CheckpointStorageLoadingTest {
// try a class that is not a factory
config.setString(CheckpointingOptions.CHECKPOINT_STORAGE, java.io.File.class.getName());
try {
- CheckpointStorageLoader.fromApplicationOrConfigOrDefault(
- null, new ModernStateBackend(), config, cl, null);
+ CheckpointStorageLoader.load(null, new ModernStateBackend(), config, cl, null);
Assert.fail("should fail with exception");
} catch (DynamicCodeLoadingException e) {
// expected
@@ -115,8 +107,7 @@ public class CheckpointStorageLoadingTest {
// try a factory that fails
config.setString(CheckpointingOptions.CHECKPOINT_STORAGE, FailingFactory.class.getName());
try {
- CheckpointStorageLoader.fromApplicationOrConfigOrDefault(
- null, new ModernStateBackend(), config, cl, null);
+ CheckpointStorageLoader.load(null, new ModernStateBackend(), config, cl, null);
Assert.fail("should fail with exception");
} catch (IllegalConfigurationException e) {
// expected
diff --git a/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamConfig.java b/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamConfig.java
index 67b43cc..fd4a291 100644
--- a/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamConfig.java
+++ b/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamConfig.java
@@ -27,6 +27,7 @@ import org.apache.flink.configuration.Configuration;
import org.apache.flink.core.memory.ManagedMemoryUseCase;
import org.apache.flink.runtime.jobgraph.OperatorID;
import org.apache.flink.runtime.operators.util.CorruptConfigurationException;
+import org.apache.flink.runtime.state.CheckpointStorage;
import org.apache.flink.runtime.state.StateBackend;
import org.apache.flink.runtime.util.ClassLoaderUtil;
import org.apache.flink.runtime.util.config.memory.ManagedMemoryUtils;
@@ -94,6 +95,7 @@ public class StreamConfig implements Serializable {
private static final String CHECKPOINTING_ENABLED = "checkpointing";
private static final String CHECKPOINT_MODE = "checkpointMode";
+ private static final String CHECKPOINT_STORAGE = "checkpointstorage";
private static final String STATE_BACKEND = "statebackend";
private static final String TIMER_SERVICE_PROVIDER = "timerservice";
private static final String STATE_PARTITIONER = "statePartitioner";
@@ -563,6 +565,24 @@ public class StreamConfig implements Serializable {
}
}
+ public void setCheckpointStorage(CheckpointStorage storage) {
+ if (storage != null) {
+ try {
+ InstantiationUtil.writeObjectToConfig(storage, config, CHECKPOINT_STORAGE);
+ } catch (Exception e) {
+ throw new StreamTaskException("Could not serialize checkpoint storage.", e);
+ }
+ }
+ }
+
+ public CheckpointStorage getCheckpointStorage(ClassLoader cl) {
+ try {
+ return InstantiationUtil.readObjectFromConfig(this.config, CHECKPOINT_STORAGE, cl);
+ } catch (Exception e) {
+ throw new StreamTaskException("Could not instantiate checkpoint storage.", e);
+ }
+ }
+
public void setTimerServiceProvider(InternalTimeServiceManager.Provider timerServiceProvider) {
if (timerServiceProvider != null) {
try {
diff --git a/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraph.java b/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraph.java
index 93a2d98..dfcfe35 100644
--- a/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraph.java
+++ b/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraph.java
@@ -37,6 +37,7 @@ import org.apache.flink.runtime.jobgraph.JobGraph;
import org.apache.flink.runtime.jobgraph.SavepointRestoreSettings;
import org.apache.flink.runtime.jobgraph.ScheduleMode;
import org.apache.flink.runtime.jobgraph.tasks.AbstractInvokable;
+import org.apache.flink.runtime.state.CheckpointStorage;
import org.apache.flink.runtime.state.StateBackend;
import org.apache.flink.streaming.api.TimeCharacteristic;
import org.apache.flink.streaming.api.environment.CheckpointConfig;
@@ -113,6 +114,7 @@ public class StreamGraph implements Pipeline {
protected Map<Integer, String> vertexIDtoBrokerID;
protected Map<Integer, Long> vertexIDtoLoopTimeout;
private StateBackend stateBackend;
+ private CheckpointStorage checkpointStorage;
private Set<Tuple2<StreamNode, StreamNode>> iterationSourceSinkPairs;
private InternalTimeServiceManager.Provider timerServiceProvider;
@@ -176,6 +178,14 @@ public class StreamGraph implements Pipeline {
return this.stateBackend;
}
+ public void setCheckpointStorage(CheckpointStorage checkpointStorage) {
+ this.checkpointStorage = checkpointStorage;
+ }
+
+ public CheckpointStorage getCheckpointStorage() {
+ return this.checkpointStorage;
+ }
+
public InternalTimeServiceManager.Provider getTimerServiceProvider() {
return timerServiceProvider;
}
diff --git a/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraphGenerator.java b/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraphGenerator.java
index 0092517..09d6652 100644
--- a/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraphGenerator.java
+++ b/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraphGenerator.java
@@ -30,6 +30,7 @@ import org.apache.flink.configuration.ExecutionOptions;
import org.apache.flink.configuration.ReadableConfig;
import org.apache.flink.runtime.jobgraph.SavepointRestoreSettings;
import org.apache.flink.runtime.jobgraph.ScheduleMode;
+import org.apache.flink.runtime.state.CheckpointStorage;
import org.apache.flink.runtime.state.KeyGroupRangeAssignment;
import org.apache.flink.runtime.state.StateBackend;
import org.apache.flink.streaming.api.TimeCharacteristic;
@@ -137,6 +138,8 @@ public class StreamGraphGenerator {
private StateBackend stateBackend;
+ private CheckpointStorage checkpointStorage;
+
private boolean chaining = true;
private Collection<Tuple2<String, DistributedCache.DistributedCacheEntry>> userArtifacts;
@@ -300,6 +303,7 @@ public class StreamGraphGenerator {
setBatchStateBackendAndTimerService(graph);
} else {
graph.setStateBackend(stateBackend);
+ graph.setCheckpointStorage(checkpointStorage);
graph.setScheduleMode(ScheduleMode.EAGER);
if (checkpointConfig.isApproximateLocalRecoveryEnabled()) {
diff --git a/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamingJobGraphGenerator.java b/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamingJobGraphGenerator.java
index 28b8075..3b54523 100644
--- a/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamingJobGraphGenerator.java
+++ b/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamingJobGraphGenerator.java
@@ -49,6 +49,7 @@ import org.apache.flink.runtime.jobmanager.scheduler.CoLocationGroupImpl;
import org.apache.flink.runtime.jobmanager.scheduler.SlotSharingGroup;
import org.apache.flink.runtime.operators.coordination.OperatorCoordinator;
import org.apache.flink.runtime.operators.util.TaskConfig;
+import org.apache.flink.runtime.state.CheckpointStorage;
import org.apache.flink.runtime.state.StateBackend;
import org.apache.flink.runtime.util.config.memory.ManagedMemoryUtils;
import org.apache.flink.streaming.api.CheckpointingMode;
@@ -1283,6 +1284,21 @@ public class StreamingJobGraphGenerator {
}
}
+ // because the checkpoint storage can have user-defined code, it needs to be stored as
+ // eagerly serialized value
+ final SerializedValue<CheckpointStorage> serializedCheckpointStorage;
+ if (streamGraph.getCheckpointStorage() == null) {
+ serializedCheckpointStorage = null;
+ } else {
+ try {
+ serializedCheckpointStorage =
+ new SerializedValue<>(streamGraph.getCheckpointStorage());
+ }
+ catch (IOException e) {
+ throw new FlinkRuntimeException("State backend is not serializable", e);
+ }
+ }
+
// --- done, put it all together ---
JobCheckpointingSettings settings =
@@ -1305,6 +1321,7 @@ public class StreamingJobGraphGenerator {
.setAlignmentTimeout(cfg.getAlignmentTimeout())
.build(),
serializedStateBackend,
+ serializedCheckpointStorage,
serializedHooks);
jobGraph.setSnapshotSettings(settings);
diff --git a/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java b/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
index d97150c..bb84e14 100644
--- a/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
+++ b/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
@@ -52,6 +52,8 @@ import org.apache.flink.runtime.metrics.groups.TaskIOMetricGroup;
import org.apache.flink.runtime.operators.coordination.OperatorEvent;
import org.apache.flink.runtime.plugable.SerializationDelegate;
import org.apache.flink.runtime.security.FlinkSecurityManager;
+import org.apache.flink.runtime.state.CheckpointStorage;
+import org.apache.flink.runtime.state.CheckpointStorageLoader;
import org.apache.flink.runtime.state.CheckpointStorageWorkerView;
import org.apache.flink.runtime.state.StateBackend;
import org.apache.flink.runtime.state.StateBackendLoader;
@@ -183,9 +185,12 @@ public abstract class StreamTask<OUT, OP extends StreamOperator<OUT>> extends Ab
/** The configuration of this streaming task. */
protected final StreamConfig configuration;
- /** Our state backend. We use this to create checkpoint streams and a keyed state backend. */
+ /** Our state backend. We use this to create a keyed state backend. */
protected final StateBackend stateBackend;
+ /** Our checkpoint storage. We use this to create checkpoint streams. */
+ protected final CheckpointStorage checkpointStorage;
+
private final SubtaskCheckpointCoordinator subtaskCheckpointCoordinator;
/**
@@ -315,10 +320,11 @@ public abstract class StreamTask<OUT, OP extends StreamOperator<OUT>> extends Ab
new ExecutorThreadFactory("AsyncOperations", uncaughtExceptionHandler));
this.stateBackend = createStateBackend();
+ this.checkpointStorage = createCheckpointStorage(stateBackend);
this.subtaskCheckpointCoordinator =
new SubtaskCheckpointCoordinatorImpl(
- stateBackend.createCheckpointStorage(getEnvironment().getJobID()),
+ checkpointStorage.createCheckpointStorage(getEnvironment().getJobID()),
getName(),
actionExecutor,
getCancelables(),
@@ -1141,6 +1147,18 @@ public abstract class StreamTask<OUT, OP extends StreamOperator<OUT>> extends Ab
LOG);
}
+
+ private CheckpointStorage createCheckpointStorage(StateBackend backend) throws Exception {
+ final CheckpointStorage fromApplication = configuration.getCheckpointStorage(getUserCodeClassLoader());
+
+ return CheckpointStorageLoader.load(
+ fromApplication,
+ backend,
+ getEnvironment().getTaskManagerInfo().getConfiguration(),
+ getUserCodeClassLoader(),
+ LOG);
+ }
+
/**
* Returns the {@link TimerService} responsible for telling the current processing time and
* registering actual timers.
diff --git a/flink-table/flink-table-planner-blink/src/main/java/org/apache/flink/table/planner/utils/ExecutorUtils.java b/flink-table/flink-table-planner-blink/src/main/java/org/apache/flink/table/planner/utils/ExecutorUtils.java
index e6a7e0c..02bd028 100644
--- a/flink-table/flink-table-planner-blink/src/main/java/org/apache/flink/table/planner/utils/ExecutorUtils.java
+++ b/flink-table/flink-table-planner-blink/src/main/java/org/apache/flink/table/planner/utils/ExecutorUtils.java
@@ -69,6 +69,7 @@ public class ExecutorUtils {
streamGraph.setAllVerticesInSameSlotSharingGroupByDefault(false);
streamGraph.setScheduleMode(ScheduleMode.LAZY_FROM_SOURCES_WITH_BATCH_SLOT_REQUEST);
streamGraph.setStateBackend(null);
+ streamGraph.setCheckpointStorage(null);
if (streamGraph.getCheckpointConfig().isCheckpointingEnabled()) {
throw new IllegalArgumentException("Checkpoint is not supported for batch jobs.");
}