danny0405 commented on code in PR #18813:
URL: https://github.com/apache/hudi/pull/18813#discussion_r3314742397
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hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/sink/partitioner/index/RecordLevelIndexBackend.java:
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@@ -96,9 +102,18 @@ public RecordLevelIndexBackend(Configuration conf,
BootstrapFilter bootstrapFilt
this.metaClient = StreamerUtil.createMetaClient(conf);
this.maxCacheSizeInBytes = conf.get(FlinkOptions.INDEX_RLI_CACHE_SIZE) *
1024 * 1024;
this.bootstrapFilter = bootstrapFilter;
+ // Pre-seed metrics with an unregistered group so the backend is safe to
use before the
+ // bucket assign operator wires the real metric group via
registerMetrics(MetricGroup).
+ registerMetrics(new UnregisteredMetricsGroup());
Review Comment:
is this just for testing, can we fire a separate PR to clean up these and
fix the tests.
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