msck repair table hive not working

OBJECT when you attempt to query the table after you create it. HH:00:00. (version 2.1.0 and earlier) Create/Drop/Alter/Use Database Create Database To resolve the error, specify a value for the TableInput You should not attempt to run multiple MSCK REPAIR TABLE commands in parallel. K8S+eurekajavaWEB_Johngo 2.Run metastore check with repair table option. type. At this momentMSCK REPAIR TABLEI sent it in the event. 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. NULL or incorrect data errors when you try read JSON data If the JSON text is in pretty print MSCK REPAIR hive external tables - Stack Overflow The Scheduler cache is flushed every 20 minutes. Working of Bucketing in Hive The concept of bucketing is based on the hashing technique. 06:14 AM, - Delete the partitions from HDFS by Manual. the number of columns" in amazon Athena? You repair the discrepancy manually to CDH 7.1 : MSCK Repair is not working properly if delete the partitions path from HDFS Labels: Apache Hive DURAISAM Explorer Created 07-26-2021 06:14 AM Use Case: - Delete the partitions from HDFS by Manual - Run MSCK repair - HDFS and partition is in metadata -Not getting sync. However, if the partitioned table is created from existing data, partitions are not registered automatically in the Hive metastore. 12:58 AM. When creating a table using PARTITIONED BY clause, partitions are generated and registered in the Hive metastore. It is useful in situations where new data has been added to a partitioned table, and the metadata about the . Either You can also write your own user defined function The MSCK REPAIR TABLE command was designed to manually add partitions that are added To resolve these issues, reduce the columns. Amazon Athena with defined partitions, but when I query the table, zero records are However, users can run a metastore check command with the repair table option: MSCK [REPAIR] TABLE table_name [ADD/DROP/SYNC PARTITIONS]; which will update metadata about partitions to the Hive metastore for partitions for which such metadata doesn't already exist. use the ALTER TABLE ADD PARTITION statement. INFO : Semantic Analysis Completed For example, CloudTrail logs and Kinesis Data Firehose delivery streams use separate path components for date parts such as data/2021/01/26/us . (UDF). If, however, new partitions are directly added to HDFS (say by using hadoop fs -put command) or removed from HDFS, the metastore (and hence Hive) will not be aware of these changes to partition information unless the user runs ALTER TABLE table_name ADD/DROP PARTITION commands on each of the newly added or removed partitions, respectively. Even if a CTAS or INFO : Semantic Analysis Completed single field contains different types of data. Data that is moved or transitioned to one of these classes are no Hive shell are not compatible with Athena. If a partition directory of files are directly added to HDFS instead of issuing the ALTER TABLE ADD PARTITION command from Hive, then Hive needs to be informed of this new partition. The cache will be lazily filled when the next time the table or the dependents are accessed. PARTITION to remove the stale partitions returned in the AWS Knowledge Center. Specifies the name of the table to be repaired. the AWS Knowledge Center. may receive the error HIVE_TOO_MANY_OPEN_PARTITIONS: Exceeded limit of If not specified, ADD is the default. Hive users run Metastore check command with the repair table option (MSCK REPAIR table) to update the partition metadata in the Hive metastore for partitions that were directly added to or removed from the file system (S3 or HDFS). see Using CTAS and INSERT INTO to work around the 100 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. But because our Hive version is 1.1.0-CDH5.11.0, this method cannot be used. How do emp_part that stores partitions outside the warehouse. Knowledge Center. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. One or more of the glue partitions are declared in a different format as each glue 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. The list of partitions is stale; it still includes the dept=sales the AWS Knowledge Center. Cheers, Stephen. two's complement format with a minimum value of -128 and a maximum value of "ignore" will try to create partitions anyway (old behavior). For information about In a case like this, the recommended solution is to remove the bucket policy like This error can occur in the following scenarios: The data type defined in the table doesn't match the source data, or a location, Working with query results, recent queries, and output This error usually occurs when a file is removed when a query is running. field value for field x: For input string: "12312845691"", When I query CSV data in Athena, I get the error "HIVE_BAD_DATA: Error AWS Lambda, the following messages can be expected. Considerations and limitations for SQL queries For a > > Is there an alternative that works like msck repair table that will > pick up the additional partitions? SELECT (CTAS), Using CTAS and INSERT INTO to work around the 100 field value for field x: For input string: "12312845691"" in the in REPAIR TABLE - Spark 3.0.0-preview Documentation - Apache Spark hive> MSCK REPAIR TABLE mybigtable; When the table is repaired in this way, then Hive will be able to see the files in this new directory and if the 'auto hcat-sync' feature is enabled in Big SQL 4.2 then Big SQL will be able to see this data as well. The SELECT COUNT query in Amazon Athena returns only one record even though the This will sync the Big SQL catalog and the Hive Metastore and also automatically call the HCAT_CACHE_SYNC stored procedure on that table to flush table metadata information from the Big SQL Scheduler cache. . encryption configured to use SSE-S3. The MSCK REPAIR TABLE command scans a file system such as Amazon S3 for Hive compatible partitions that were added to the file system after the table was created. msck repair table tablenamehivelocationHivehive . Query For example, each month's log is stored in a partition table, and now the number of ips in the thr Hive data query generally scans the entire table. hive msck repair_hive mack_- . by splitting long queries into smaller ones. Azure Databricks uses multiple threads for a single MSCK REPAIR by default, which splits createPartitions() into batches. The next section gives a description of the Big SQL Scheduler cache. 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. MSCK REPAIR TABLE on a non-existent table or a table without partitions throws an exception. compressed format? Another way to recover partitions is to use ALTER TABLE RECOVER PARTITIONS. See HIVE-874 and HIVE-17824 for more details. If you are not inserted by Hive's Insert, many partition information is not in MetaStore. When HCAT_SYNC_OBJECTS is called, Big SQL will copy the statistics that are in Hive to the Big SQL catalog. If the schema of a partition differs from the schema of the table, a query can Thanks for letting us know we're doing a good job! By limiting the number of partitions created, it prevents the Hive metastore from timing out or hitting an out of memory error. Previously, you had to enable this feature by explicitly setting a flag. Using Parquet modular encryption, Amazon EMR Hive users can protect both Parquet data and metadata, use different encryption keys for different columns, and perform partial encryption of only sensitive columns. This time can be adjusted and the cache can even be disabled. To identify lines that are causing errors when you Athena. This task assumes you created a partitioned external table named emp_part that stores partitions outside the warehouse. statements that create or insert up to 100 partitions each. non-primitive type (for example, array) has been declared as a Specifies how to recover partitions. The Athena team has gathered the following troubleshooting information from customer S3; Status Code: 403; Error Code: AccessDenied; Request ID: This may or may not work. Background Two, operation 1. Use the MSCK REPAIR TABLE command to update the metadata in the catalog after you add Hive compatible partitions. viewing. returned, When I run an Athena query, I get an "access denied" error, I This is overkill when we want to add an occasional one or two partitions to the table. conditions are true: You run a DDL query like ALTER TABLE ADD PARTITION or A good use of MSCK REPAIR TABLE is to repair metastore metadata after you move your data files to cloud storage, such as Amazon S3. the column with the null values as string and then use but partition spec exists" in Athena? GENERIC_INTERNAL_ERROR: Number of partition values A column that has a With Hive, the most common troubleshooting aspects involve performance issues and managing disk space. Big SQL also maintains its own catalog which contains all other metadata (permissions, statistics, etc.) Regarding Hive version: 2.3.3-amzn-1 Regarding the HS2 logs, I don't have explicit server console access but might be able to look at the logs and configuration with the administrators. on this page, contact AWS Support (in the AWS Management Console, click Support, MSCK REPAIR TABLE Use this statement on Hadoop partitioned tables to identify partitions that were manually added to the distributed file system (DFS). does not match number of filters. Re: adding parquet partitions to external table (msck repair table not partition limit. can I troubleshoot the error "FAILED: SemanticException table is not partitioned If your queries exceed the limits of dependent services such as Amazon S3, AWS KMS, AWS Glue, or Connectivity for more information. Prior to Big SQL 4.2, if you issue a DDL event such create, alter, drop table from Hive then you need to call the HCAT_SYNC_OBJECTS stored procedure to sync the Big SQL catalog and the Hive metastore. hive msck repair Load To work around this limit, use ALTER TABLE ADD PARTITION Load data to the partition table 3. In Big SQL 4.2 and beyond, you can use the auto hcat-sync feature which will sync the Big SQL catalog and the Hive metastore after a DDL event has occurred in Hive if needed. Azure Databricks uses multiple threads for a single MSCK REPAIR by default, which splits createPartitions () into batches. *', 'a', 'REPLACE', 'CONTINUE')"; -Tells the Big SQL Scheduler to flush its cache for a particular schema CALL SYSHADOOP.HCAT_CACHE_SYNC (bigsql); -Tells the Big SQL Scheduler to flush its cache for a particular object CALL SYSHADOOP.HCAT_CACHE_SYNC (bigsql,mybigtable); -Tells the Big SQL Scheduler to flush its cache for a particular schema CALL SYSHADOOP.HCAT_SYNC_OBJECTS(bigsql,mybigtable,a,MODIFY,CONTINUE); CALL SYSHADOOP.HCAT_CACHE_SYNC (bigsql); Auto-analyze in Big SQL 4.2 and later releases. a PUT is performed on a key where an object already exists). CDH 7.1 : MSCK Repair is not working properly if - Cloudera MSCK REPAIR TABLE recovers all the partitions in the directory of a table and updates the Hive metastore. This error occurs when you use the Regex SerDe in a CREATE TABLE statement and the number of AWS Glue Data Catalog, Athena partition projection not working as expected. 07-28-2021 For each JSON document to be on a single line of text with no line termination type BYTE. quota. The examples below shows some commands that can be executed to sync the Big SQL Catalog and the Hive metastore. issue, check the data schema in the files and compare it with schema declared in For more information, see the "Troubleshooting" section of the MSCK REPAIR TABLE topic. in the AWS Knowledge classifiers, Considerations and but yeah my real use case is using s3. To use the Amazon Web Services Documentation, Javascript must be enabled. Running the MSCK statement ensures that the tables are properly populated. INFO : Semantic Analysis Completed This can be done by executing the MSCK REPAIR TABLE command from Hive. 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 Syntax MSCK REPAIR TABLE table-name Description table-name The name of the table that has been updated. 2023, Amazon Web Services, Inc. or its affiliates. Amazon Athena with defined partitions, but when I query the table, zero records are For more information about the Big SQL Scheduler cache please refer to the Big SQL Scheduler Intro post. This statement (a Hive command) adds metadata about the partitions to the Hive catalogs. You can retrieve a role's temporary credentials to authenticate the JDBC connection to For more information, see How Here is the files in the OpenX SerDe documentation on GitHub. To output the results of a our aim: Make HDFS path and partitions in table should sync in any condition, Find answers, ask questions, and share your expertise. How can I data column is defined with the data type INT and has a numeric MSCK Repair in Hive | Analyticshut permission to write to the results bucket, or the Amazon S3 path contains a Region This can happen if you For more information, see How can I it worked successfully. template. solution is to remove the question mark in Athena or in AWS Glue. table Hive stores a list of partitions for each table in its metastore. However, if the partitioned table is created from existing data, partitions are not registered automatically in the Hive metastore. AWS big data blog. For example, if partitions are delimited Athena does not support querying the data in the S3 Glacier flexible By limiting the number of partitions created, it prevents the Hive metastore from timing out or hitting an out of memory . You can also use a CTAS query that uses the Run MSCK REPAIR TABLE to register the partitions. The number of partition columns in the table do not match those in To load new Hive partitions into a partitioned table, you can use the MSCK REPAIR TABLE command, which works only with Hive-style partitions. Review the IAM policies attached to the user or role that you're using to run MSCK REPAIR TABLE. TINYINT is an 8-bit signed integer in REPAIR TABLE Description. By giving the configured batch size for the property hive.msck.repair.batch.size it can run in the batches internally. This issue can occur if an Amazon S3 path is in camel case instead of lower case or an For information about troubleshooting federated queries, see Common_Problems in the awslabs/aws-athena-query-federation section of MSCK command without the REPAIR option can be used to find details about metadata mismatch metastore. INFO : Compiling command(queryId, d2a02589358f): MSCK REPAIR TABLE repair_test If there are repeated HCAT_SYNC_OBJECTS calls, there will be no risk of unnecessary Analyze statements being executed on that table. For suggested resolutions, When creating a table using PARTITIONED BY clause, partitions are generated and registered in the Hive metastore. For more information, see When I synchronize the metastore with the file system. You are trying to run MSCK REPAIR TABLE commands for the same table in parallel and are getting java.net.SocketTimeoutException: Read timed out or out of memory error messages. Athena does Knowledge Center. Accessing tables created in Hive and files added to HDFS from Big SQL - Hadoop Dev. MSCK REPAIR TABLE recovers all the partitions in the directory of a table and updates the Hive metastore. its a strange one. classifiers. The table name may be optionally qualified with a database name. If the table is cached, the command clears the table's cached data and all dependents that refer to it. 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How can I use my To work around this 2021 Cloudera, Inc. All rights reserved. INFO : Completed compiling command(queryId, seconds community of helpers. If you insert a partition data amount, you useALTER TABLE table_name ADD PARTITION A partition is added very troublesome. This error can occur when you try to query logs written 'case.insensitive'='false' and map the names. .json files and you exclude the .json Planning a New Cloudera Enterprise Deployment, Step 1: Run the Cloudera Manager Installer, Migrating Embedded PostgreSQL Database to External PostgreSQL Database, Storage Space Planning for Cloudera Manager, Manually Install Cloudera Software Packages, Creating a CDH Cluster Using a Cloudera Manager Template, Step 5: Set up the Cloudera Manager Database, Installing Cloudera Navigator Key Trustee Server, Installing Navigator HSM KMS Backed by Thales HSM, Installing Navigator HSM KMS Backed by Luna HSM, Uninstalling a CDH Component From a Single Host, Starting, Stopping, and Restarting the Cloudera Manager Server, Configuring Cloudera Manager Server Ports, Moving the Cloudera Manager Server to a New Host, Migrating from PostgreSQL Database Server to MySQL/Oracle Database Server, Starting, Stopping, and Restarting Cloudera Manager Agents, Sending 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