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https://issues.apache.org/jira/browse/BEAM-12451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17400504#comment-17400504
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Beam JIRA Bot commented on BEAM-12451:
--------------------------------------
This issue was marked "stale-P2" and has not received a public comment in 14
days. It is now automatically moved to P3. If you are still affected by it, you
can comment and move it back to P2.
> BigQueryIO leaks gRPC channels
> ------------------------------
>
> Key: BEAM-12451
> URL: https://issues.apache.org/jira/browse/BEAM-12451
> Project: Beam
> Issue Type: Bug
> Components: io-java-gcp
> Affects Versions: 2.29.0
> Reporter: Steve Niemitz
> Priority: P3
>
> Any pipeline that uses BigQueryIO will leak gRPC channels via
> BigQueryServicesImpl.DatasetServiceImpl:
> {code:java}
> java.lang.RuntimeException: ManagedChannel allocation site
> at
> io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference.<init>(ManagedChannelOrphanWrapper.java:94)
> at
> io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:52)
> at
> io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:43)
> at
> io.grpc.internal.AbstractManagedChannelImplBuilder.build(AbstractManagedChannelImplBuilder.java:518)
> at
> com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.createSingleChannel(InstantiatingGrpcChannelProvider.java:340)
> at
> com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.access$1600(InstantiatingGrpcChannelProvider.java:73)
> at
> com.google.api.gax.grpc.InstantiatingGrpcChannelProvider$1.createSingleChannel(InstantiatingGrpcChannelProvider.java:214)
> at com.google.api.gax.grpc.ChannelPool.create(ChannelPool.java:72)
> at
> com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.createChannel(InstantiatingGrpcChannelProvider.java:221)
> at
> com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.getTransportChannel(InstantiatingGrpcChannelProvider.java:204)
> at com.google.api.gax.rpc.ClientContext.create(ClientContext.java:169)
> at
> com.google.cloud.bigquery.storage.v1beta2.stub.GrpcBigQueryWriteStub.create(GrpcBigQueryWriteStub.java:136)
> at
> com.google.cloud.bigquery.storage.v1beta2.stub.BigQueryWriteStubSettings.createStub(BigQueryWriteStubSettings.java:145)
> at
> com.google.cloud.bigquery.storage.v1beta2.BigQueryWriteClient.<init>(BigQueryWriteClient.java:120)
> at
> com.google.cloud.bigquery.storage.v1beta2.BigQueryWriteClient.create(BigQueryWriteClient.java:101)
> at
> org.apache.beam.sdk.io.gcp.bigquery.BigQueryServicesImpl.newBigQueryWriteClient(BigQueryServicesImpl.java:1255)
> at
> org.apache.beam.sdk.io.gcp.bigquery.BigQueryServicesImpl.access$800(BigQueryServicesImpl.java:135)
> at
> org.apache.beam.sdk.io.gcp.bigquery.BigQueryServicesImpl$DatasetServiceImpl.<init>(BigQueryServicesImpl.java:521)
> at
> org.apache.beam.sdk.io.gcp.bigquery.BigQueryServicesImpl$DatasetServiceImpl.<init>(BigQueryServicesImpl.java:449)
> at
> org.apache.beam.sdk.io.gcp.bigquery.BigQueryServicesImpl.getDatasetService(BigQueryServicesImpl.java:169)
> at
> org.apache.beam.sdk.io.gcp.bigquery.WriteTables$WriteTablesDoFn.finishBundle(WriteTables.java:247)
> at
> org.apache.beam.sdk.io.gcp.bigquery.WriteTables$WriteTablesDoFn$DoFnInvoker.invokeFinishBundle(Unknown
> Source) {code}
> It looks like a client is created per DatasetServiceImpl instance, but never
> shut down cleanly.
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