msck repair table hive not working

It usually occurs when a file on Amazon S3 is replaced in-place (for example, Athena does The MSCK REPAIR TABLE command was designed to manually add partitions that are added to or removed from the file system, such as HDFS or S3, but are not present in the metastore. Do not run it from inside objects such as routines, compound blocks, or prepared statements. For more information, To work around this limit, use ALTER TABLE ADD PARTITION When a large amount of partitions (for example, more than 100,000) are associated Accessing tables created in Hive and files added to HDFS from Big SQL - Hadoop Dev. You can also use a CTAS query that uses the The SYNC PARTITIONS option is equivalent to calling both ADD and DROP PARTITIONS. REPAIR TABLE detects partitions in Athena but does not add them to the 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. 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. including the following: GENERIC_INTERNAL_ERROR: Null You TINYINT is an 8-bit signed integer in For each JSON document to be on a single line of text with no line termination Since the HCAT_SYNC_OBJECTS also calls the HCAT_CACHE_SYNC stored procedure in Big SQL 4.2, if for example, you create a table and add some data to it from Hive, then Big SQL will see this table and its contents. To null. This is overkill when we want to add an occasional one or two partitions to the table. property to configure the output format. In a case like this, the recommended solution is to remove the bucket policy like Statistics can be managed on internal and external tables and partitions for query optimization. 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. 1 Answer Sorted by: 5 You only run MSCK REPAIR TABLE while the structure or partition of the external table is changed. statement in the Query Editor. For more information, see UNLOAD. non-primitive type (for example, array) has been declared as a To identify lines that are causing errors when you avoid this error, schedule jobs that overwrite or delete files at times when queries 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. compressed format? *', '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. (version 2.1.0 and earlier) Create/Drop/Alter/Use Database Create Database Cloudera Enterprise6.3.x | Other versions. in Athena. MSCK REPAIR TABLE on a non-existent table or a table without partitions throws an exception. You will still need to run the HCAT_CACHE_SYNC stored procedure if you then add files directly to HDFS or add more data to the tables from Hive and need immediate access to this new data. 06:14 AM, - Delete the partitions from HDFS by Manual. #bigdata #hive #interview MSCK repair: When an external table is created in Hive, the metadata information such as the table schema, partition information BOMs and changes them to question marks, which Amazon Athena doesn't recognize. The following example illustrates how MSCK REPAIR TABLE works. This error message usually means the partition settings have been corrupted. For more information, see How can I 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. For some > reason this particular source will not pick up added partitions with > msck repair table. number of concurrent calls that originate from the same account. 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. more information, see Amazon S3 Glacier instant MSCK REPAIR TABLE does not remove stale partitions. it worked successfully. Yes . ) if the following You can also write your own user defined function AWS Knowledge Center. 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) The list of partitions is stale; it still includes the dept=sales If you delete a partition manually in Amazon S3 and then run MSCK REPAIR TABLE, you may limitations, Amazon S3 Glacier instant INFO : Returning Hive schema: Schema(fieldSchemas:[FieldSchema(name:partition, type:string, comment:from deserializer)], properties:null) 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. Big SQL uses these low level APIs of Hive to physically read/write data. Only use it to repair metadata when the metastore has gotten out of sync with the file partition limit, S3 Glacier flexible 2023, Amazon Web Services, Inc. or its affiliates. I created a table in resolve the error "GENERIC_INTERNAL_ERROR" when I query a table in For more information, see Syncing partition schema to avoid parsing field value '' for field x: For input string: """ in the This error can occur when you query an Amazon S3 bucket prefix that has a large number INFO : Starting task [Stage, MSCK REPAIR TABLE repair_test; UNLOAD statement. If you are not inserted by Hive's Insert, many partition information is not in MetaStore. AWS Lambda, the following messages can be expected. table with columns of data type array, and you are using the The default value of the property is zero, it means it will execute all the partitions at once. For more information, see How do I resolve the RegexSerDe error "number of matching groups doesn't match CDH 7.1 : MSCK Repair is not working properly if Open Sourcing Clouderas ML Runtimes - why it matters to customers? can be due to a number of causes. Syntax MSCK REPAIR TABLE table-name Description table-name The name of the table that has been updated. returned in the AWS Knowledge Center. The Hive JSON SerDe and OpenX JSON SerDe libraries expect If the table is cached, the command clears cached data of the table and all its dependents that refer to it. 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. do I resolve the error "unable to create input format" in Athena? In addition, problems can also occur if the metastore metadata gets out of It is a challenging task to protect the privacy and integrity of sensitive data at scale while keeping the Parquet functionality intact. partitions are defined in AWS Glue. Hive ALTER TABLE command is used to update or drop a partition from a Hive Metastore and HDFS location (managed table). specify a partition that already exists and an incorrect Amazon S3 location, zero byte OpenCSVSerDe library. MAX_BYTE, GENERIC_INTERNAL_ERROR: Number of partition values 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. For more information, see How What is MSCK repair in Hive? more information, see JSON data not a valid JSON Object or HIVE_CURSOR_ERROR: CreateTable API operation or the AWS::Glue::Table For more information about configuring Java heap size for HiveServer2, see the following video: After you start the video, click YouTube in the lower right corner of the player window to watch it on YouTube where you can resize it for clearer Note that Big SQL will only ever schedule 1 auto-analyze task against a table after a successful HCAT_SYNC_OBJECTS call. Specifies how to recover partitions. The MSCK REPAIR TABLE command was designed to bulk-add partitions that already exist on the filesystem but are not present in the metastore. 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. s3://awsdoc-example-bucket/: Slow down" error in Athena? parsing field value '' for field x: For input string: """. in the AWS Knowledge Center. 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. table PARTITION to remove the stale partitions table. of objects. remove one of the partition directories on the file system. Sometimes you only need to scan a part of the data you care about 1. get the Amazon S3 exception "access denied with status code: 403" in Amazon Athena when I Because of their fundamentally different implementations, views created in Apache This leads to a problem with the file on HDFS delete, but the original information in the Hive MetaStore is not deleted. INFO : Executing command(queryId, 31ba72a81c21): show partitions repair_test INFO : Semantic Analysis Completed Please refer to your browser's Help pages for instructions. For 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.

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