loukey-lj commented on a change in pull request #2434:
URL: https://github.com/apache/hudi/pull/2434#discussion_r559543409
##########
File path:
hudi-flink/src/main/java/org/apache/hudi/operator/InstantGenerateOperator.java
##########
@@ -102,65 +109,79 @@ public void open() throws Exception {
// Hadoop FileSystem
fs = FSUtils.getFs(cfg.targetBasePath, serializableHadoopConf.get());
- TaskContextSupplier taskContextSupplier = new
FlinkTaskContextSupplier(null);
+ if (isMain) {
+ TaskContextSupplier taskContextSupplier = new
FlinkTaskContextSupplier(runtimeContext);
- // writeClient
- writeClient = new HoodieFlinkWriteClient(new
HoodieFlinkEngineContext(taskContextSupplier),
StreamerUtil.getHoodieClientConfig(cfg), true);
+ // writeClient
+ writeClient = new HoodieFlinkWriteClient(new
HoodieFlinkEngineContext(taskContextSupplier),
StreamerUtil.getHoodieClientConfig(cfg), true);
- // init table, create it if not exists.
- initTable();
+ // init table, create it if not exists.
+ initTable();
+
+ // create instant marker directory
+ createInstantMarkerDir();
+ }
}
@Override
public void prepareSnapshotPreBarrier(long checkpointId) throws Exception {
super.prepareSnapshotPreBarrier(checkpointId);
- // check whether the last instant is completed, if not, wait 10s and then
throws an exception
- if (!StringUtils.isNullOrEmpty(latestInstant)) {
- doCheck();
- // last instant completed, set it empty
- latestInstant = "";
- }
+ String instantMarkerFileName = String.format("%d%s%d%s%d",
indexOfThisSubtask, DELIMITER, checkpointId, DELIMITER, recordCounter.get());
+ Path path = new Path(new Path(HoodieTableMetaClient.AUXILIARYFOLDER_NAME,
INSTANT_MARKER_FOLDER_NAME), instantMarkerFileName);
+ // mk generate file by each subtask
Review comment:
done
##########
File path:
hudi-flink/src/main/java/org/apache/hudi/operator/InstantGenerateOperator.java
##########
@@ -222,4 +243,60 @@ public void close() throws Exception {
fs.close();
}
}
+
+ private boolean checkReceivedData(long checkpointId) throws
InterruptedException, IOException {
+ int numberOfParallelSubtasks =
runtimeContext.getNumberOfParallelSubtasks();
+ FileStatus[] fileStatuses;
+ Path instantMarkerPath = new
Path(HoodieTableMetaClient.AUXILIARYFOLDER_NAME, INSTANT_MARKER_FOLDER_NAME);
+ int tryTimes = 1;
+ // waiting all subtask create marker file ready
+ while (true) {
+ Thread.sleep(500L);
+ fileStatuses = fs.listStatus(instantMarkerPath, new PathFilter() {
+ @Override
+ public boolean accept(Path pathname) {
+ return pathname.getName().contains(String.format("%s%d%s",
DELIMITER, checkpointId, DELIMITER));
+ }
+ });
+
+ // is ready
+ if (fileStatuses != null && fileStatuses.length ==
numberOfParallelSubtasks) {
+ break;
+ }
+
+ if (tryTimes >= 5) {
+ LOG.warn("waiting generate file, checkpointId [{}]", checkpointId);
Review comment:
done
##########
File path:
hudi-flink/src/main/java/org/apache/hudi/operator/InstantGenerateOperator.java
##########
@@ -102,65 +109,79 @@ public void open() throws Exception {
// Hadoop FileSystem
fs = FSUtils.getFs(cfg.targetBasePath, serializableHadoopConf.get());
- TaskContextSupplier taskContextSupplier = new
FlinkTaskContextSupplier(null);
+ if (isMain) {
+ TaskContextSupplier taskContextSupplier = new
FlinkTaskContextSupplier(runtimeContext);
- // writeClient
- writeClient = new HoodieFlinkWriteClient(new
HoodieFlinkEngineContext(taskContextSupplier),
StreamerUtil.getHoodieClientConfig(cfg), true);
+ // writeClient
+ writeClient = new HoodieFlinkWriteClient(new
HoodieFlinkEngineContext(taskContextSupplier),
StreamerUtil.getHoodieClientConfig(cfg), true);
- // init table, create it if not exists.
- initTable();
+ // init table, create it if not exists.
+ initTable();
+
+ // create instant marker directory
+ createInstantMarkerDir();
+ }
}
@Override
public void prepareSnapshotPreBarrier(long checkpointId) throws Exception {
super.prepareSnapshotPreBarrier(checkpointId);
- // check whether the last instant is completed, if not, wait 10s and then
throws an exception
- if (!StringUtils.isNullOrEmpty(latestInstant)) {
- doCheck();
- // last instant completed, set it empty
- latestInstant = "";
- }
+ String instantMarkerFileName = String.format("%d%s%d%s%d",
indexOfThisSubtask, DELIMITER, checkpointId, DELIMITER, recordCounter.get());
+ Path path = new Path(new Path(HoodieTableMetaClient.AUXILIARYFOLDER_NAME,
INSTANT_MARKER_FOLDER_NAME), instantMarkerFileName);
+ // mk generate file by each subtask
+ fs.create(path, true);
+ LOG.info("Subtask [{}] at checkpoint [{}] created generate file [{}]",
indexOfThisSubtask, checkpointId, instantMarkerFileName);
Review comment:
done
##########
File path:
hudi-flink/src/main/java/org/apache/hudi/operator/InstantGenerateOperator.java
##########
@@ -102,65 +109,79 @@ public void open() throws Exception {
// Hadoop FileSystem
fs = FSUtils.getFs(cfg.targetBasePath, serializableHadoopConf.get());
- TaskContextSupplier taskContextSupplier = new
FlinkTaskContextSupplier(null);
+ if (isMain) {
+ TaskContextSupplier taskContextSupplier = new
FlinkTaskContextSupplier(runtimeContext);
- // writeClient
- writeClient = new HoodieFlinkWriteClient(new
HoodieFlinkEngineContext(taskContextSupplier),
StreamerUtil.getHoodieClientConfig(cfg), true);
+ // writeClient
+ writeClient = new HoodieFlinkWriteClient(new
HoodieFlinkEngineContext(taskContextSupplier),
StreamerUtil.getHoodieClientConfig(cfg), true);
- // init table, create it if not exists.
- initTable();
+ // init table, create it if not exists.
+ initTable();
+
+ // create instant marker directory
+ createInstantMarkerDir();
+ }
}
@Override
public void prepareSnapshotPreBarrier(long checkpointId) throws Exception {
super.prepareSnapshotPreBarrier(checkpointId);
- // check whether the last instant is completed, if not, wait 10s and then
throws an exception
- if (!StringUtils.isNullOrEmpty(latestInstant)) {
- doCheck();
- // last instant completed, set it empty
- latestInstant = "";
- }
+ String instantMarkerFileName = String.format("%d%s%d%s%d",
indexOfThisSubtask, DELIMITER, checkpointId, DELIMITER, recordCounter.get());
+ Path path = new Path(new Path(HoodieTableMetaClient.AUXILIARYFOLDER_NAME,
INSTANT_MARKER_FOLDER_NAME), instantMarkerFileName);
+ // mk generate file by each subtask
+ fs.create(path, true);
+ LOG.info("Subtask [{}] at checkpoint [{}] created generate file [{}]",
indexOfThisSubtask, checkpointId, instantMarkerFileName);
+ if (isMain) {
+ boolean receivedDataInCurrentCP = checkReceivedData(checkpointId);
+ // check whether the last instant is completed, if not, wait 10s and
then throws an exception
+ if (!StringUtils.isNullOrEmpty(latestInstant)) {
+ doCheck();
+ // last instant completed, set it empty
+ latestInstant = "";
+ }
- // no data no new instant
- if (!bufferedRecords.isEmpty()) {
- latestInstant = startNewInstant(checkpointId);
+ // no data no new instant
Review comment:
done
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