{"id":"9af2b52f-f720-4cad-b1cb-99cd3658dc9b","entity_type":"product","name":"Apache Beam","slug":"apache-beam","category":"Data Processing","description":{"human":"Unified batch and streaming data processing model. Runs on Spark, Flink, Dataflow, and other runners."},"url":"https://beam.apache.org","metadata":{"content":"Unified batch and streaming data processing model. Runs on Spark, Flink, Dataflow, and other runners.","crawled_problems":{"total":10,"by_source":{"github":10,"reddit":0,"stackoverflow":0},"crawled_at":"2026-03-27T04:42:27.054965+00:00","top_issues":[{"url":"https://github.com/apache/beam/issues/37445","state":"open","title":"GCSFileSystem requires gcp extra at lookup time while S3FileSystem does not","labels":["good first issue"],"source":"github","comments":19,"reactions":0,"created_at":"2026-01-29T12:50:24Z","body_preview":"There's an inconsistency in how `FileSystems.get_filesystem()` handles missing optional dependencies between GCS and S3.\n\n### Current Behavior\n\n**S3 (without `aws` extra):**\n```python\n>>> from apache_beam.io import filesystems\n>>> filesystems.FileSystems.get_filesystem(\"s3://blah\")\n<apache_beam.io.a"},{"url":"https://github.com/apache/beam/issues/37449","state":"open","title":"[Bug]: Unhandled exception in KafkaIO SDF","labels":["bug","good first issue","P2"],"source":"github","comments":6,"reactions":0,"created_at":"2026-01-29T19:29:35Z","body_preview":"### What happened?\n\n#34659 introduced a \"fail fast\" feature that appears to have broken KafkaIO's SDF.\n\n[KafkaIO.java L1924-1939](https://github.com/apache/beam/pull/34659/changes#diff-ee81e93a5689a74087a1451bfaac1ef921b0b0254830b9e5450a0a5b6cf2c227R1924-R1939) (`GenerateKafkaSourceDescriptor`):\n```"},{"url":"https://github.com/apache/beam/issues/37637","state":"open","title":"[Bug]: Reset bigtable version","labels":["java","bug","P2"],"source":"github","comments":5,"reactions":0,"created_at":"2026-02-18T15:06:40Z","body_preview":"### What happened?\n\nWe should remove the pin we introduced on the bigtable version in BeamModulePlugin.groovy when possible\n\n### Issue Priority\n\nPriority: 2 (default / most bugs should be filed as P2)\n\n### Issue Components\n\n- [ ] Component: Python SDK\n- [x] Component: Java SDK\n- [ ] Component: Go SD"},{"url":"https://github.com/apache/beam/issues/37664","state":"open","title":"[Bug]: Behavior change between Beam 2.66 and 2.71 causing severe buffering","labels":["java","bug","P2","awaiting triage"],"source":"github","comments":4,"reactions":0,"created_at":"2026-02-20T20:49:48Z","body_preview":"### What happened?\n\n**Environment:**\nBeam SDK: 2.66.0 (stable) vs 2.71.0 (problematic)\nRunner: Google Cloud Dataflow (Streaming)\nLanguage: Java\nSource: KafkaIO\n\n**Pipeline Structure**\nKafkaIO\n \u2192 MapElements (KafkaRecordToKV)\n \u2192 Window.into(...)\n \u2192 GroupByKey\n \u2192 Sort\n \u2192 BigtableIO read/ write\n\u2192 Write"},{"url":"https://github.com/apache/beam/issues/37424","state":"open","title":"[Bug]: Beam roles infra - Unable to run the Dataflow TPU example","labels":["examples","bug","P2"],"source":"github","comments":4,"reactions":0,"created_at":"2026-01-26T20:14:32Z","body_preview":"### What happened?\n\nI got beam_viewer and beam_writer permissions, but I am still unable to run the Dataflow TPU example. This is the error I get:\n\n```\nERROR: (gcloud.services.enable) [[yalahuangfeng@gmail.com](mailto:yalahuangfeng@gmail.com)] does not have permission to access projects instance [ap"}]}},"trust_signals":{},"tags":[],"trust_up":1,"trust_down":0,"trust_score":1,"trust_ratio":1,"velocity_7d":0,"evaluation_count":1,"verification_status":"unverified","verification_badges":[],"verified_at":null,"claim_status":"unclaimed","views":236,"version":1,"previous_version_id":null,"tier":"free","logo_url":null,"created_at":"2026-03-27T04:39:34.376209+00:00","updated_at":"2026-09-16T07:49:17.278319+00:00","review_summary":{},"community_up":2,"community_down":3,"community_score":-1,"problem_count":0,"resolved_count":0,"confidence_decomposition":{"api_stability":null,"documentation_quality":null,"integration_success_rate":null,"cost_efficiency":null,"security_posture":null,"axes":null,"status":"no_operational_reports","sample_size":0,"current_reports":0,"required_reports":3,"computed_axes":[],"missing_axes":["api_stability","documentation_quality","integration_success_rate","cost_efficiency","security_posture"],"evidence_state":"no_operational_reports","task_type":"*","window":"all","message":"No agent has submitted an execution report for this entity yet. 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