voonhous commented on code in PR #6566:
URL: https://github.com/apache/hudi/pull/6566#discussion_r962105607
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hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/sink/clustering/HoodieFlinkClusteringJob.java:
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@@ -215,37 +217,63 @@ protected Pair<CompletableFuture, ExecutorService>
startService() {
}, executor), executor);
}
+ /**
+ * Follows the same execution methodology of HoodieFlinkCompactor, where
only one clustering job is allowed to be
+ * executed at any point in time.
+ * <p>
+ * If there is an inflight clustering job, it will be rolled back and
re-attempted.
+ * <p>
+ * A clustering plan will be generated if `schedule` is true.
+ *
+ * @throws Exception
+ * @see HoodieFlinkCompactor
+ */
private void cluster() throws Exception {
table.getMetaClient().reloadActiveTimeline();
- // judges whether there are operations
- // to compute the clustering instant time and exec clustering.
if (cfg.schedule) {
+ // create a clustering plan on the timeline
ClusteringUtil.validateClusteringScheduling(conf);
- String clusteringInstantTime =
HoodieActiveTimeline.createNewInstantTime();
+
+ String clusteringInstantTime = cfg.clusteringInstantTime != null ?
cfg.clusteringInstantTime
+ : HoodieActiveTimeline.createNewInstantTime();
+
+ LOG.info("Creating a clustering plan for instant [" +
clusteringInstantTime + "]");
boolean scheduled =
writeClient.scheduleClusteringAtInstant(clusteringInstantTime, Option.empty());
if (!scheduled) {
// do nothing.
LOG.info("No clustering plan for this job");
+ executeDummyPipeline();
return;
}
table.getMetaClient().reloadActiveTimeline();
}
// fetch the instant based on the configured execution sequence
- List<HoodieInstant> instants =
ClusteringUtils.getPendingClusteringInstantTimes(table.getMetaClient()).stream()
- .filter(instant -> instant.getState() ==
HoodieInstant.State.REQUESTED).collect(Collectors.toList());
+ List<HoodieInstant> instants =
ClusteringUtils.getPendingClusteringInstantTimes(table.getMetaClient());
if (instants.isEmpty()) {
// do nothing.
LOG.info("No clustering plan scheduled, turns on the clustering plan
schedule with --schedule option");
+ executeDummyPipeline();
return;
}
- HoodieInstant clusteringInstant =
CompactionUtil.isLIFO(cfg.clusteringSeq) ? instants.get(instants.size() - 1) :
instants.get(0);
+ HoodieInstant reqClusteringInstant;
+ if (cfg.clusteringInstantTime != null) {
Review Comment:
Fixed
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