Msck Repair Table Athena Automatically. MSCK REPAIR TABLE is a nice command to know and use, but fo
MSCK REPAIR TABLE is a nice command to know and use, but for the reasons above, unless the number of partitions you have is very small, it's not worth automating it. I have data kept in S3 in form of parquet files, partitioned with hash as partition key (partitions look like hash=0, hash=100 and so on), and I This table uses Hive's native JSON serializer-deserializer to read JSON data stored in Amazon S3. Der MSCK REPAIR TABLE -Befehl TBLPROPERTIES ('has_encrypted_data'='false'); and I ran MSCK REPAIR TABLE stattable, but got Tables missing on filesystem and query result is zero records returned. For more information about the formats supported, see Choose a SerDe for your data. How to make MSCK REPAIR TABLE execute automatically in AWS Athena? aws-athena Oct 11, 2024 in AWS by Priyanka • 4,500 points edited Mar 5 • 24 views client. However, Athena fails to add the partitions to the table in the AWS Glue Data Catalog. Now, I’m wondering if there is a way to: Repair the table and sync the metadata A crawler CAN update the partitions, but it does not seam to be necessary, there are at least two other ways to update partitions on HIVE formatted S3 buckets, MSCK REPAIR TABLE and Additionally, the MSCK REPAIR TABLE command might fail to add new partitions, especially with large partitions in the Amazon Simple Storage Service (Amazon S3) bucket. Verwenden Sie den MSCK REPAIR TABLE -Befehl, um die Metadaten im Katalog zu aktualisieren, nachdem Sie mit Hive kompatible Partitionen hinzugefügt haben. This occurs because MSCK REPAIR TABLE doesn't remove stale partitions from table metadata. However, when I run the the query MSCK REPAIR TABLE mytable, it returns error Partitions not in metastore: city:countrycode The MSCK REPAIR TABLE command is best used when creating a table for the first time or when there is uncertainty about parity between data Other alternatives like MSCK REPAIR TABLE and Glue Crawlers, that often come up in discussions about how to manage partitioned tables, should be used only if all other alternatives are When I run my MSCK REPAIR TABLE query, Amazon Athena returns a list of partitions. The MSCK REPAIR TABLE command scans a file system such as Amazon S3 The problem is that after each run of my Spark batch, the newly generated data stored in S3 will not be discovered by Athena, unless I manually run the query MSCK REPAIR TABLE. To remove the deleted partitions from table metadata, run ALTER TABLE DROP PARTITION instead. Please note that when we click our table name in left panel from AWS console it auto-generates double quotes instead of ` Suggested solution: Option 1) Enable However, this approach has several drawbacks: Performance: On large datasets with thousands of partitions, MSCK REPAIR TABLE can be slow. Cost: Athena charges based on the . start_query_execution(QueryString='MSCK REPAIR TABLE table_name') You can trigger this code within a Lambda with a trigger when adding new files to the S3 bucket, or using I tried using the MSCK REPAIR command, but it seems to be unsupported for Iceberg tables in Athena. Instead, you can use the ALTER Ich möchte einen MSCK REPAIR TABLE-Befehl auflösen, dessen Ausführung zu lange dauert oder in Amazon Athena zu einem Timeout führt. MSCK REPAIR Because Iceberg tables keep track of table layout information, running How to make MSCK REPAIR TABLE execute automatically in AWS Athena? aws-athena Oct 11, 2024 in AWS by Priyanka • 4,500 points edited Mar 5 • 24 views MSCK REPAIR TABLE table; => Works. Use the MSCK REPAIR TABLE command to update the metadata in the catalog after you add Hive compatible partitions. Discover efficient ways to ensure your AWS Athena tables are always updated with new S3 data without the hassle of running the `MSCK REPAIR TABLE` command each time. But table exists and I can query on that table. This can also cause I'm trying to partition data by a column. Unload Iceberg tables Iceberg tables can be unloaded to files in a folder on Amazon S3. For information, see UNLOAD. How to make MSCK REPAIR TABLE execute automatically in AWS Athena | Edureka Community Because the data is not in Hive format, you cannot use the MSCK REPAIR TABLE command to add the partitions to the table after you create it.