Helen Holzbaur
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Recent activity by Helen Holzbaur Sort by recent activity-
Read timeout on large tables on EMR
Question User is reporting a read timeout on large tables. What is the effect of altering "recordservice.worker.rpc.timeoutMs"? Symptom Application logs are reporting an error similar to the one be...
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Automatic Partition Recovery
Question The planner log is displaying partition recovery every minute. The entries indicate recovery is failing and there is a partition recovery queue. proc stderr: E1004 18:59:05.176966 238 P...
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Dataset partition and "no data found"
Problem Can any hive dataset be partitioned? When I partition a dataset on a field in the middle of the row, the data preview results in a "no data found" error. If I remove the PARTITIONED BY clau...
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Problems accessing Parquet files with complex MAP data types
Problem ODAS Workers restart and produce a core dump when queries access tables that are backed by Parquet files and use certain, complex MAP data types in their schema. Answer For current informat...
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Syntax Error Creating View
Problem User received Syntax error creating a view Error: ERROR:root:Response: {"message": "Call to execute_ddl failed: Could not execute ddl.\nDetail: AnalysisException: Syntax error in line 15:...
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Could not execute ddl...because its length is longer than the max supported length (64)
Problem DDL operations on table generate an error message. code=INVALID_REQUEST msg=Could not execute ddl. detail=AnalysisException: Cannot grant to table '<DB>.<TB> because its length is longer...
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Processing Audit Logs
Problem We would like to identify the usage pattern for the Okera objects like databases, tables, and views for given period of time and export them in csv format. Answer The Okera docs (https:...
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Presto Client and JDK 11 with Okera Presto Endpoint
Problem Presto client performance has degraded after upgrade. Answer Third party BI tools often bundle the JDK with their product. If the upgraded client now includes JDK 11.0 or higher, the HTTP...
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Show Full Spark Query in Okera Audit Logs
Problem When running a query in Databricks, the full Spark query does not appear in the Okera audit logs. Answer There are two configuration parameters that are required. Server: audit_requ...
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Okera Response to CVE-2021-44228
Updates Mon Dec 20 19:36 EST 2021 Final update: We have now released version 2.8.2 in addition to versions 2.3.10, 2.5.9, 2.6.7, and 2.7.7. These releases upgrade log4j to version 2.16. We recomme...