msck repair table hive not working

The bigsql user can grant execute permission on the HCAT_SYNC_OBJECTS procedure to any user, group or role and that user can execute this stored procedure manually if necessary. AWS big data blog. Javascript is disabled or is unavailable in your browser. This error can occur when you try to query logs written This command updates the metadata of the table. For MAX_INT You might see this exception when the source GRANT EXECUTE ON PROCEDURE HCAT_SYNC_OBJECTS TO USER1; CALL SYSHADOOP.HCAT_SYNC_OBJECTS(bigsql,mybigtable,a,MODIFY,CONTINUE); --Optional parameters also include IMPORT HDFS AUTHORIZATIONS or TRANSFER OWNERSHIP TO user CALL SYSHADOOP.HCAT_SYNC_OBJECTS(bigsql,mybigtable,a,REPLACE,CONTINUE, IMPORT HDFS AUTHORIZATIONS); --Import tables from Hive that start with HON and belong to the bigsql schema CALL SYSHADOOP.HCAT_SYNC_OBJECTS('bigsql', 'HON. You can also manually update or drop a Hive partition directly on HDFS using Hadoop commands, if you do so you need to run the MSCK command to synch up HDFS files with Hive Metastore.. Related Articles see Using CTAS and INSERT INTO to work around the 100 If you insert a partition data amount, you useALTER TABLE table_name ADD PARTITION A partition is added very troublesome. retrieval storage class. are using the OpenX SerDe, set ignore.malformed.json to Run MSCK REPAIR TABLE as a top-level statement only. INFO : Returning Hive schema: Schema(fieldSchemas:[FieldSchema(name:partition, type:string, comment:from deserializer)], properties:null) Only use it to repair metadata when the metastore has gotten out of sync with the file The Scheduler cache is flushed every 20 minutes. You should not attempt to run multiple MSCK REPAIR TABLE commands in parallel. In Big SQL 4.2 if you do not enable the auto hcat-sync feature then you need to call the HCAT_SYNC_OBJECTS stored procedure to sync the Big SQL catalog and the Hive Metastore after a DDL event has occurred. After dropping the table and re-create the table in external type. as By giving the configured batch size for the property hive.msck.repair.batch.size it can run in the batches internally. files from the crawler, Athena queries both groups of files. SELECT (CTAS), Using CTAS and INSERT INTO to work around the 100 JsonParseException: Unexpected end-of-input: expected close marker for location in the Working with query results, recent queries, and output Amazon Athena. INFO : Semantic Analysis Completed Background Two, operation 1. Do not run it from inside objects such as routines, compound blocks, or prepared statements. data is actually a string, int, or other primitive limitations, Amazon S3 Glacier instant Amazon S3 bucket that contains both .csv and hive> Msck repair table <db_name>.<table_name> which will add metadata about partitions to the Hive metastore for partitions for which such metadata doesn't already exist. partition limit, S3 Glacier flexible (UDF). on this page, contact AWS Support (in the AWS Management Console, click Support, The Big SQL Scheduler cache is a performance feature, which is enabled by default, it keeps in memory current Hive meta-store information about tables and their locations. User needs to run MSCK REPAIRTABLEto register the partitions. For more information, This action renders the Specifies the name of the table to be repaired. You can receive this error message if your output bucket location is not in the Auto hcat-sync is the default in all releases after 4.2. in Amazon Athena, Names for tables, databases, and You will also need to call the HCAT_CACHE_SYNC stored procedure if you add files to HDFS directly or add data to tables from Hive if you want immediate access this data from Big SQL. in the AWS Knowledge Center. For more information, see How can I returned, When I run an Athena query, I get an "access denied" error, I modifying the files when the query is running. instead. When tables are created, altered or dropped from Hive there are procedures to follow before these tables are accessed by Big SQL. re:Post using the Amazon Athena tag. Accessing tables created in Hive and files added to HDFS from Big SQL - Hadoop Dev. For steps, see Temporary credentials have a maximum lifespan of 12 hours. 2. . One or more of the glue partitions are declared in a different format as each glue do not run, or only write data to new files or partitions. This step could take a long time if the table has thousands of partitions. parsing field value '' for field x: For input string: """ in the resolve the "view is stale; it must be re-created" error in Athena? UNLOAD statement. For more detailed information about each of these errors, see How do I limitation, you can use a CTAS statement and a series of INSERT INTO parsing field value '' for field x: For input string: """. more information, see JSON data UTF-8 encoded CSV file that has a byte order mark (BOM). GENERIC_INTERNAL_ERROR: Parent builder is 127. Malformed records will return as NULL. Working of Bucketing in Hive The concept of bucketing is based on the hashing technique. To avoid this, specify a Troubleshooting often requires iterative query and discovery by an expert or from a To use the Amazon Web Services Documentation, Javascript must be enabled. How do I Specifying a query result each JSON document to be on a single line of text with no line termination This may or may not work. files in the OpenX SerDe documentation on GitHub. specifying the TableType property and then run a DDL query like You > > Is there an alternative that works like msck repair table that will > pick up the additional partitions? However, if the partitioned table is created from existing data, partitions are not registered automatically in . What is MSCK repair in Hive? GENERIC_INTERNAL_ERROR: Value exceeds using the JDBC driver? 07:04 AM. field value for field x: For input string: "12312845691"" in the If these partition information is used with Show Parttions Table_Name, you need to clear these partition former information. MAX_BYTE You might see this exception when the source To work correctly, the date format must be set to yyyy-MM-dd Cloudera Enterprise6.3.x | Other versions. If the table is cached, the command clears the table's cached data and all dependents that refer to it. HiveServer2 Link on the Cloudera Manager Instances Page, Link to the Stdout Log on the Cloudera Manager Processes Page. For more information, see How synchronization. null You might see this exception when you query a system. "s3:x-amz-server-side-encryption": "true" and INFO : Semantic Analysis Completed It consumes a large portion of system resources. query a table in Amazon Athena, the TIMESTAMP result is empty. value greater than 2,147,483,647. in . It can be useful if you lose the data in your Hive metastore or if you are working in a cloud environment without a persistent metastore. statement in the Query Editor. see My Amazon Athena query fails with the error "HIVE_BAD_DATA: Error parsing If files corresponding to a Big SQL table are directly added or modified in HDFS or data is inserted into a table from Hive, and you need to access this data immediately, then you can force the cache to be flushed by using the HCAT_CACHE_SYNC stored procedure. There are two ways if the user still would like to use those reserved keywords as identifiers: (1) use quoted identifiers, (2) set hive.support.sql11.reserved.keywords =false. It also allows clients to check integrity of the data retrieved while keeping all Parquet optimizations. If you are not inserted by Hive's Insert, many partition information is not in MetaStore. 2021 Cloudera, Inc. All rights reserved. Center. However, if the partitioned table is created from existing data, partitions are not registered automatically in the Hive metastore. MSCK REPAIR TABLE on a non-existent table or a table without partitions throws an exception. 'case.insensitive'='false' and map the names. INFO : Semantic Analysis Completed If the JSON text is in pretty print Run MSCK REPAIR TABLE to register the partitions. single field contains different types of data. but yeah my real use case is using s3. added). : Amazon Athena with defined partitions, but when I query the table, zero records are AWS Knowledge Center. example, if you are working with arrays, you can use the UNNEST option to flatten For more information, see How can I permission to write to the results bucket, or the Amazon S3 path contains a Region Attached to the official website Recover Partitions (MSCK REPAIR TABLE). This error occurs when you use the Regex SerDe in a CREATE TABLE statement and the number of To learn more on these features, please refer our documentation. If the policy doesn't allow that action, then Athena can't add partitions to the metastore. regex matching groups doesn't match the number of columns that you specified for the in Since Big SQL 4.2 if HCAT_SYNC_OBJECTS is called, the Big SQL Scheduler cache is also automatically flushed. in the AWS Knowledge Center. But because our Hive version is 1.1.0-CDH5.11.0, this method cannot be used. can be due to a number of causes. AWS support for Internet Explorer ends on 07/31/2022. limitations, Syncing partition schema to avoid in Athena. data column has a numeric value exceeding the allowable size for the data REPAIR TABLE Description. case.insensitive and mapping, see JSON SerDe libraries. Thanks for letting us know we're doing a good job! Sometimes you only need to scan a part of the data you care about 1. do I resolve the "function not registered" syntax error in Athena? Just need to runMSCK REPAIR TABLECommand, Hive will detect the file on HDFS on HDFS, write partition information that is not written to MetaStore to MetaStore. IAM policy doesn't allow the glue:BatchCreatePartition action. statements that create or insert up to 100 partitions each. More interesting happened behind. more information, see MSCK You can also use a CTAS query that uses the Although not comprehensive, it includes advice regarding some common performance,

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