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Posted to dev@flink.apache.org by "richt richt (Jira)" <ji...@apache.org> on 2020/05/21 09:32:00 UTC
[jira] [Created] (FLINK-17863) flink streaming sql read hive with
lots small files need to control parallelism
richt richt created FLINK-17863:
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Summary: flink streaming sql read hive with lots small files need to control parallelism
Key: FLINK-17863
URL: https://issues.apache.org/jira/browse/FLINK-17863
Project: Flink
Issue Type: Improvement
Components: Connectors / Hive
Affects Versions: 1.10.1
Reporter: richt richt
the table wy.cartest has 19 rows with 19 files
so when i query the table use *streaming* mode it will require 19 slots , my cluster cannot allocate so much resource to the task.
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Caused by: org.apache.flink.runtime.JobException: Vertex Source: HiveTableSource(carid, time, num, var) TablePath: wy.cartest, Par
titionPruned: false, PartitionNums: null -> SinkConversionToTuple2's parallelism (19) is higher than the max parallelism (2). Plea
se lower the parallelism or increase the max parallelism.
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