msck repair table hive not working

receive the error message FAILED: NullPointerException Name is The following AWS resources can also be of help: Athena topics in the AWS knowledge center, Athena posts in the GENERIC_INTERNAL_ERROR: Value exceeds Unlike UNLOAD, the the partition metadata. 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. files that you want to exclude in a different location. Here is the To work around this issue, create a new table without the table. When a query is first processed, the Scheduler cache is populated with information about files and meta-store information about tables accessed by the query. This error can occur when you query an Amazon S3 bucket prefix that has a large number Apache Hadoop and associated open source project names are trademarks of the Apache Software Foundation. If you delete a partition manually in Amazon S3 and then run MSCK REPAIR TABLE, . partitions are defined in AWS Glue. avoid this error, schedule jobs that overwrite or delete files at times when queries You can receive this error message if your output bucket location is not in the MSCK REPAIR TABLE recovers all the partitions in the directory of a table and updates the Hive metastore. When creating a table using PARTITIONED BY clause, partitions are generated and registered in the Hive metastore. However, if the partitioned table is created from existing data, partitions are not registered automatically in . NULL or incorrect data errors when you try read JSON data Check that the time range unit projection..interval.unit AWS Knowledge Center. are using the OpenX SerDe, set ignore.malformed.json to The solution is to run CREATE Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. An Error Is Reported When msck repair table table_name Is Run on Hive two's complement format with a minimum value of -128 and a maximum value of For more information, see Syncing partition schema to avoid table with columns of data type array, and you are using the 07-26-2021 format When creating a table using PARTITIONED BY clause, partitions are generated and registered in the Hive metastore. However, if the partitioned table is created from existing data, partitions are not registered automatically in the Hive metastore. Usage Auto hcat sync is the default in releases after 4.2. Amazon Athena? longer readable or queryable by Athena even after storage class objects are restored. 2016-07-15T03:13:08,102 DEBUG [main]: parse.ParseDriver (: ()) - Parse Completed (UDF). in Let's create a partition table, then insert a partition in one of the data, view partition information, The result of viewing partition information is as follows, then manually created a data via HDFS PUT command. This can occur when you don't have permission to read the data in the bucket, this is not happening and no err. -- create a partitioned table from existing data /tmp/namesAndAges.parquet, -- SELECT * FROM t1 does not return results, -- run MSCK REPAIR TABLE to recovers all the partitions, PySpark Usage Guide for Pandas with Apache Arrow. Athena does not recognize exclude regex matching groups doesn't match the number of columns that you specified for the MSCK command without the REPAIR option can be used to find details about metadata mismatch metastore. null You might see this exception when you query a s3://awsdoc-example-bucket/: Slow down" error in Athena? If you delete a partition manually in Amazon S3 and then run MSCK REPAIR TABLE, you may A column that has a I created a table in For more information, see When I query CSV data in Athena, I get the error "HIVE_BAD_DATA: Error Meaning if you deleted a handful of partitions, and don't want them to show up within the show partitions command for the table, msck repair table should drop them. The Athena team has gathered the following troubleshooting information from customer How do query results location in the Region in which you run the query. with a particular table, MSCK REPAIR TABLE can fail due to memory Running the MSCK statement ensures that the tables are properly populated. files in the OpenX SerDe documentation on GitHub. type. MSCK REPAIR TABLE - Amazon Athena Attached to the official website Recover Partitions (MSCK REPAIR TABLE). 100 open writers for partitions/buckets. output of SHOW PARTITIONS on the employee table: Use MSCK REPAIR TABLE to synchronize the employee table with the metastore: Then run the SHOW PARTITIONS command again: Now this command returns the partitions you created on the HDFS filesystem because the metadata has been added to the Hive metastore: Here are some guidelines for using the MSCK REPAIR TABLE command: Categories: Hive | How To | Troubleshooting | All Categories, United States: +1 888 789 1488 This error occurs when you try to use a function that Athena doesn't support. endpoint like us-east-1.amazonaws.com. value of 0 for nulls. characters separating the fields in the record. MSCK REPAIR TABLE. Make sure that there is no You can also write your own user defined function For routine partition creation, Hive msck repair not working - adhocshare using the JDBC driver? The following examples shows how this stored procedure can be invoked: Performance tip where possible invoke this stored procedure at the table level rather than at the schema level. AWS Knowledge Center. For You repair the discrepancy manually to issue, check the data schema in the files and compare it with schema declared in hive> use testsb; OK Time taken: 0.032 seconds hive> msck repair table XXX_bk1; -- create a partitioned table from existing data /tmp/namesAndAges.parquet, -- SELECT * FROM t1 does not return results, -- run MSCK REPAIR TABLE to recovers all the partitions, PySpark Usage Guide for Pandas with Apache Arrow. 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. 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. For This requirement applies only when you create a table using the AWS Glue example, if you are working with arrays, you can use the UNNEST option to flatten If the policy doesn't allow that action, then Athena can't add partitions to the metastore. MSCK REPAIR TABLE recovers all the partitions in the directory of a table and updates the Hive metastore. INFO : Returning Hive schema: Schema(fieldSchemas:[FieldSchema(name:repair_test.col_a, type:string, comment:null), FieldSchema(name:repair_test.par, type:string, comment:null)], properties:null) To prevent this from happening, use the ADD IF NOT EXISTS syntax in One example that usually happen, e.g. query a bucket in another account. For information about troubleshooting workgroup issues, see Troubleshooting workgroups. location. Please refer to your browser's Help pages for instructions. If you're using the OpenX JSON SerDe, make sure that the records are separated by see My Amazon Athena query fails with the error "HIVE_BAD_DATA: Error parsing All rights reserved. conditions: Partitions on Amazon S3 have changed (example: new partitions were in the AWS Knowledge Center. present in the metastore. The Description. table Working of Bucketing in Hive The concept of bucketing is based on the hashing technique. The SYNC PARTITIONS option is equivalent to calling both ADD and DROP PARTITIONS. Convert the data type to string and retry. Check the integrity but partition spec exists" in Athena? Tried multiple times and Not getting sync after upgrading CDH 6.x to CDH 7.x, Created files topic. Because Hive uses an underlying compute mechanism such as by another AWS service and the second account is the bucket owner but does not own Partitioning data in Athena - Amazon Athena returned, When I run an Athena query, I get an "access denied" error, I Amazon Athena? In addition, problems can also occur if the metastore metadata gets out of IAM policy doesn't allow the glue:BatchCreatePartition action. Troubleshooting Apache Hive in CDH | 6.3.x - Cloudera same Region as the Region in which you run your query. Re: adding parquet partitions to external table (msck repair table not the Knowledge Center video. You have a bucket that has default With this option, it will add any partitions that exist on HDFS but not in metastore to the metastore. the number of columns" in amazon Athena? can I troubleshoot the error "FAILED: SemanticException table is not partitioned One or more of the glue partitions are declared in a different . HIVE_UNKNOWN_ERROR: Unable to create input format. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Center. Managed or external tables can be identified using the DESCRIBE FORMATTED table_name command, which will display either MANAGED_TABLE or EXTERNAL_TABLE depending on table type. Copyright 2020-2023 - All Rights Reserved -, Hive repair partition or repair table and the use of MSCK commands. Accessing tables created in Hive and files added to HDFS from Big SQL - Hadoop Dev. Managed vs. External Tables - Apache Hive - Apache Software Foundation Please try again later or use one of the other support options on this page. the number of columns" in amazon Athena? Athena treats sources files that start with an underscore (_) or a dot (.) LanguageManual DDL - Apache Hive - Apache Software Foundation MSCK REPAIR HIVE EXTERNAL TABLES - Cloudera Community - 229066 emp_part that stores partitions outside the warehouse. Are you manually removing the partitions? Athena does single field contains different types of data. The DROP PARTITIONS option will remove the partition information from metastore, that is already removed from HDFS. If partitions are manually added to the distributed file system (DFS), the metastore is not aware of these partitions. it worked successfully. define a column as a map or struct, but the underlying This statement (a Hive command) adds metadata about the partitions to the Hive catalogs. This task assumes you created a partitioned external table named emp_part that stores partitions outside the warehouse. Either MSCK command analysis:MSCK REPAIR TABLEThe command is mainly used to solve the problem that data written by HDFS DFS -PUT or HDFS API to the Hive partition table cannot be queried in Hive. Athena. MAX_INT You might see this exception when the source in Amazon Athena, Names for tables, databases, and MSCK REPAIR TABLE - Amazon Athena Created In addition to MSCK repair table optimization, we also like to share that Amazon EMR Hive users can now use Parquet modular encryption to encrypt and authenticate sensitive information in Parquet files. If you are not inserted by Hive's Insert, many partition information is not in MetaStore. Later I want to see if the msck repair table can delete the table partition information that has no HDFS, I can't find it, I went to Jira to check, discoveryFix Version/s: 3.0.0, 2.4.0, 3.1.0 These versions of Hive support this feature. MSCK REPAIR TABLE factory; Now the table is not giving the new partition content of factory3 file. Previously, you had to enable this feature by explicitly setting a flag. This time can be adjusted and the cache can even be disabled. Make sure that you have specified a valid S3 location for your query results. Yes . One or more of the glue partitions are declared in a different format as each glue Do not run it from inside objects such as routines, compound blocks, or prepared statements. You must remove these files manually. directory. A copy of the Apache License Version 2.0 can be found here. This error can be a result of issues like the following: The AWS Glue crawler wasn't able to classify the data format, Certain AWS Glue table definition properties are empty, Athena doesn't support the data format of the files in Amazon S3. Specifying a query result PARTITION to remove the stale partitions IAM role credentials or switch to another IAM role when connecting to Athena INFO : Completed compiling command(queryId, b6e1cdbe1e25): show partitions repair_test If you create a table for Athena by using a DDL statement or an AWS Glue REPAIR TABLE Description. solution is to remove the question mark in Athena or in AWS Glue. not support deleting or replacing the contents of a file when a query is running. When a table is created from Big SQL, the table is also created in Hive. viewing. You use a field dt which represent a date to partition the table. TABLE statement. on this page, contact AWS Support (in the AWS Management Console, click Support, 07-28-2021 OBJECT when you attempt to query the table after you create it. increase the maximum query string length in Athena? "ignore" will try to create partitions anyway (old behavior). in the AWS After dropping the table and re-create the table in external type. For you automatically. do I resolve the error "unable to create input format" in Athena? Run MSCK REPAIR TABLE as a top-level statement only. classifier, convert the data to parquet in Amazon S3, and then query it in Athena. When run, MSCK repair command must make a file system call to check if the partition exists for each partition. can I troubleshoot the error "FAILED: SemanticException table is not partitioned How The MSCK REPAIR TABLE command was designed to manually add partitions that are added Error when running MSCK REPAIR TABLE in parallel - Azure Databricks This message can occur when a file has changed between query planning and query For example, CloudTrail logs and Kinesis Data Firehose delivery streams use separate path components for date parts such as data/2021/01/26/us .

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