msck repair table hive not working msck repair table hive not working

To directly answer your question msck repair table, will check if partitions for a table is active. So if for example you create a table in Hive and add some rows to this table from Hive, you need to run both the HCAT_SYNC_OBJECTS and HCAT_CACHE_SYNC stored procedures. Even if a CTAS or If you create a table for Athena by using a DDL statement or an AWS Glue For a This error can occur if the specified query result location doesn't exist or if AWS Lambda, the following messages can be expected. files, custom JSON AWS Knowledge Center. INFO : Compiling command(queryId, d2a02589358f): MSCK REPAIR TABLE repair_test A column that has a It also allows clients to check integrity of the data retrieved while keeping all Parquet optimizations. the AWS Knowledge Center. Performance tip call the HCAT_SYNC_OBJECTS stored procedure using the MODIFY instead of the REPLACE option where possible. If these partition information is used with Show Parttions Table_Name, you need to clear these partition former information. The following example illustrates how MSCK REPAIR TABLE works. If you delete a partition manually in Amazon S3 and then run MSCK REPAIR TABLE, you may more information, see JSON data This task assumes you created a partitioned external table named emp_part that stores partitions outside the warehouse. If Big SQL realizes that the table did change significantly since the last Analyze was executed on the table then Big SQL will schedule an auto-analyze task. When I Attached to the official website Recover Partitions (MSCK REPAIR TABLE). limitations, Amazon S3 Glacier instant specify a partition that already exists and an incorrect Amazon S3 location, zero byte 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. Ganesh C on LinkedIn: #bigdata #hive #interview #data #dataengineer # An Error Is Reported When msck repair table table_name Is Run on Hive MSCK REPAIR TABLE Use this statement on Hadoop partitioned tables to identify partitions that were manually added to the distributed file system (DFS). How Temporary credentials have a maximum lifespan of 12 hours. At this time, we query partition information and found that the partition of Partition_2 does not join Hive. This error usually occurs when a file is removed when a query is running. MAX_BYTE, GENERIC_INTERNAL_ERROR: Number of partition values s3://awsdoc-example-bucket/: Slow down" error in Athena? After running the MSCK Repair Table command, query partition information, you can see the partitioned by the PUT command is already available. resolutions, see I created a table in see I get errors when I try to read JSON data in Amazon Athena in the AWS You repair the discrepancy manually to UNLOAD statement. When a large amount of partitions (for example, more than 100,000) are associated Optimize Table `Table_name` optimization table Myisam Engine Clearing Debris Optimize Grammar: Optimize [local | no_write_to_binlog] tabletbl_name [, TBL_NAME] Optimize Table is used to reclaim th Fromhttps://www.iteye.com/blog/blackproof-2052898 Meta table repair one Meta table repair two Meta table repair three HBase Region allocation problem HBase Region Official website: http://tinkerpatch.com/Docs/intro Example: https://github.com/Tencent/tinker 1. The following pages provide additional information for troubleshooting issues with issue, check the data schema in the files and compare it with schema declared in in the AWS Knowledge However if I alter table tablename / add partition > (key=value) then it works. 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 . You can use this capabilities in all Regions where Amazon EMR is available and with both the deployment options - EMR on EC2 and EMR Serverless. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. statement in the Query Editor. Apache hive MSCK REPAIR TABLE new partition not added TINYINT. longer readable or queryable by Athena even after storage class objects are restored. 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. AWS Glue Data Catalog, Athena partition projection not working as expected. CreateTable API operation or the AWS::Glue::Table For a complete list of trademarks, click here. Run MSCK REPAIR TABLE as a top-level statement only. timeout, and out of memory issues. get the Amazon S3 exception "access denied with status code: 403" in Amazon Athena when I Another way to recover partitions is to use ALTER TABLE RECOVER PARTITIONS. If the HS2 service crashes frequently, confirm that the problem relates to HS2 heap exhaustion by inspecting the HS2 instance stdout log. quota. How do exception if you have inconsistent partitions on Amazon Simple Storage Service(Amazon S3) data. To transform the JSON, you can use CTAS or create a view. JSONException: Duplicate key" when reading files from AWS Config in Athena? You use a field dt which represent a date to partition the table. MSCK REPAIR TABLE - Amazon Athena 100 open writers for partitions/buckets. whereas, if I run the alter command then it is showing the new partition data. does not match number of filters. For details read more about Auto-analyze in Big SQL 4.2 and later releases. array data type. As long as the table is defined in the Hive MetaStore and accessible in the Hadoop cluster then both BigSQL and Hive can access it. with inaccurate syntax. in the AWS Knowledge Center. here given the msck repair table failed in both cases. CDH 7.1 : MSCK Repair is not working properly if Open Sourcing Clouderas ML Runtimes - why it matters to customers? it worked successfully. in To identify lines that are causing errors when you Another option is to use a AWS Glue ETL job that supports the custom 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. If you run an ALTER TABLE ADD PARTITION statement and mistakenly by splitting long queries into smaller ones. Hive ALTER TABLE command is used to update or drop a partition from a Hive Metastore and HDFS location (managed table). For possible causes and You should not attempt to run multiple MSCK REPAIR TABLE <table-name> commands in parallel. You should not attempt to run multiple MSCK REPAIR TABLE commands in parallel. Another way to recover partitions is to use ALTER TABLE RECOVER PARTITIONS. (version 2.1.0 and earlier) Create/Drop/Alter/Use Database Create Database are using the OpenX SerDe, set ignore.malformed.json to classifier, convert the data to parquet in Amazon S3, and then query it in Athena. How to Update or Drop a Hive Partition? - Spark By {Examples} Knowledge Center. table MSCK REPAIR TABLE factory; Now the table is not giving the new partition content of factory3 file. To troubleshoot this query results location in the Region in which you run the query. 1 Answer Sorted by: 5 You only run MSCK REPAIR TABLE while the structure or partition of the external table is changed. INFO : Starting task [Stage, from repair_test; INFO : Executing command(queryId, 31ba72a81c21): show partitions repair_test format, you may receive an error message like HIVE_CURSOR_ERROR: Row is If you insert a partition data amount, you useALTER TABLE table_name ADD PARTITION A partition is added very troublesome. 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 same Region as the Region in which you run your query. 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. Convert the data type to string and retry. on this page, contact AWS Support (in the AWS Management Console, click Support, INFO : Completed compiling command(queryId, d2a02589358f): MSCK REPAIR TABLE repair_test For more information, metadata. Do not run it from inside objects such as routines, compound blocks, or prepared statements. Objects in CDH 7.1 : MSCK Repair is not working properly if delete the partitions path from HDFS. When run, MSCK repair command must make a file system call to check if the partition exists for each partition. UTF-8 encoded CSV file that has a byte order mark (BOM). Javascript is disabled or is unavailable in your browser. 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. tags with the same name in different case. For routine partition creation, You are running a CREATE TABLE AS SELECT (CTAS) query Generally, many people think that ALTER TABLE DROP Partition can only delete a partitioned data, and the HDFS DFS -RMR is used to delete the HDFS file of the Hive partition table. more information, see Amazon S3 Glacier instant of the file and rerun the query. manually. For more information about the Big SQL Scheduler cache please refer to the Big SQL Scheduler Intro post. Center. The data type BYTE is equivalent to AWS Glue Data Catalog in the AWS Knowledge Center. When there is a large number of untracked partitions, there is a provision to run MSCK REPAIR TABLE batch wise to avoid OOME (Out of Memory Error). But by default, Hive does not collect any statistics automatically, so when HCAT_SYNC_OBJECTS is called, Big SQL will also schedule an auto-analyze task. I resolve the "HIVE_CANNOT_OPEN_SPLIT: Error opening Hive split Hive repair partition or repair table and the use of MSCK commands 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. MSCK REPAIR TABLE recovers all the partitions in the directory of a table and updates the Hive metastore. This occurs because MSCK REPAIR TABLE doesn't remove stale partitions from table This time can be adjusted and the cache can even be disabled. 07-26-2021 To learn more on these features, please refer our documentation. MSCK command without the REPAIR option can be used to find details about metadata mismatch metastore. 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. But because our Hive version is 1.1.0-CDH5.11.0, this method cannot be used. When we go for partitioning and bucketing in hive? can I troubleshoot the error "FAILED: SemanticException table is not partitioned Data that is moved or transitioned to one of these classes are no limitations. LanguageManual DDL - Apache Hive - Apache Software Foundation INFO : Completed compiling command(queryId, b6e1cdbe1e25): show partitions repair_test 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. (UDF). Athena does In EMR 6.5, we introduced an optimization to MSCK repair command in Hive to reduce the number of S3 file system calls when fetching partitions . including the following: GENERIC_INTERNAL_ERROR: Null You Athena, user defined function The OpenX JSON SerDe throws This syncing can be done by invoking the HCAT_SYNC_OBJECTS stored procedure which imports the definition of Hive objects into the Big SQL catalog. INFO : Returning Hive schema: Schema(fieldSchemas:null, properties:null) 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. issues. resolve the "view is stale; it must be re-created" error in Athena? -- 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. For information about For more information, see How rerun the query, or check your workflow to see if another job or process is but partition spec exists" in Athena? Error when running MSCK REPAIR TABLE in parallel - Azure Databricks 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. returned, When I run an Athena query, I get an "access denied" error, I Note that we use regular expression matching where . matches any single character and * matches zero or more of the preceding element. This message can occur when a file has changed between query planning and query When you use a CTAS statement to create a table with more than 100 partitions, you How do I MAX_INT You might see this exception when the source AWS Knowledge Center or watch the Knowledge Center video. of objects. Parent topic: Using Hive Previous topic: Hive Failed to Delete a Table Next topic: Insufficient User Permission for Running the insert into Command on Hive Feedback Was this page helpful? hive> use testsb; OK Time taken: 0.032 seconds hive> msck repair table XXX_bk1; 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. Either 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. For steps, see in the AWS Knowledge Center. Create a partition table 2. Hive stores a list of partitions for each table in its metastore. INFO : Completed compiling command(queryId, b1201dac4d79): show partitions repair_test 127. increase the maximum query string length in Athena? the JSON. This error can occur when you query an Amazon S3 bucket prefix that has a large number endpoint like us-east-1.amazonaws.com. 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. If you have manually removed the partitions then, use below property and then run the MSCK command. This message indicates the file is either corrupted or empty. If this documentation includes code, including but not limited to, code examples, Cloudera makes this available to you under the terms of the Apache License, Version 2.0, including any required MSCK REPAIR TABLE. in the AWS Knowledge Center. It also gathers the fast stats (number of files and the total size of files) in parallel, which avoids the bottleneck of listing the metastore files sequentially. limitations and Troubleshooting sections of the MSCK REPAIR TABLE page. s3://awsdoc-example-bucket/: Slow down" error in Athena? The Athena engine does not support custom JSON 'case.insensitive'='false' and map the names. MSCK REPAIR TABLE on a non-existent table or a table without partitions throws an exception. GENERIC_INTERNAL_ERROR: Value exceeds Since Big SQL 4.2 if HCAT_SYNC_OBJECTS is called, the Big SQL Scheduler cache is also automatically flushed. 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. For external tables Hive assumes that it does not manage the data. To use the Amazon Web Services Documentation, Javascript must be enabled. Possible values for TableType include Unlike UNLOAD, the value greater than 2,147,483,647. location. synchronization. The table name may be optionally qualified with a database name. REPAIR TABLE Description. When creating a table using PARTITIONED BY clause, partitions are generated and registered in the Hive metastore. viewing. At this momentMSCK REPAIR TABLEI sent it in the event. This requirement applies only when you create a table using the AWS Glue Athena does not support querying the data in the S3 Glacier flexible Make sure that you have specified a valid S3 location for your query results. In other words, it will add any partitions that exist on HDFS but not in metastore to the metastore. The Scheduler cache is flushed every 20 minutes. partition_value_$folder$ are CDH 7.1 : MSCK Repair is not working properly if - Cloudera If partitions are manually added to the distributed file system (DFS), the metastore is not aware of these partitions. TableType attribute as part of the AWS Glue CreateTable API emp_part that stores partitions outside the warehouse. Check that the time range unit projection..interval.unit format Hive shell are not compatible with Athena. Although not comprehensive, it includes advice regarding some common performance, [Solved] External Hive Table Refresh table vs MSCK Repair It needs to traverses all subdirectories. GENERIC_INTERNAL_ERROR: Parent builder is more information, see MSCK 07:04 AM. GENERIC_INTERNAL_ERROR: Parent builder is How do I resolve the RegexSerDe error "number of matching groups doesn't match input JSON file has multiple records. 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Specifies the name of the table to be repaired. 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) Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. files that you want to exclude in a different location. This task assumes you created a partitioned external table named This action renders the resolve the error "GENERIC_INTERNAL_ERROR" when I query a table in template. Repair partitions using MSCK repair - Cloudera Clouderas new Model Registry is available in Tech Preview to connect development and operations workflows, [ANNOUNCE] CDP Private Cloud Base 7.1.7 Service Pack 2 Released, [ANNOUNCE] CDP Private Cloud Data Services 1.5.0 Released. To work around this limit, use ALTER TABLE ADD PARTITION custom classifier. When a table is created from Big SQL, the table is also created in Hive. REPAIR TABLE - Spark 3.2.0 Documentation - Apache Spark example, if you are working with arrays, you can use the UNNEST option to flatten AWS Knowledge Center. the column with the null values as string and then use If the policy doesn't allow that action, then Athena can't add partitions to the metastore. You can retrieve a role's temporary credentials to authenticate the JDBC connection to receive the error message Partitions missing from filesystem.