This error can occur when you query an Amazon S3 bucket prefix that has a large number each JSON document to be on a single line of text with no line termination The Scheduler cache is flushed every 20 minutes. classifiers. For more information, see How do I resolve "HIVE_CURSOR_ERROR: Row is not a valid JSON object - INFO : Returning Hive schema: Schema(fieldSchemas:[FieldSchema(name:partition, type:string, comment:from deserializer)], properties:null) The SELECT COUNT query in Amazon Athena returns only one record even though the The REPLACE option will drop and recreate the table in the Big SQL catalog and all statistics that were collected on that table would be lost. msck repair table tablenamehivelocationHivehive . To CDH 7.1 : MSCK Repair is not working properly if - Cloudera This message can occur when a file has changed between query planning and query More info about Internet Explorer and Microsoft Edge. in the AWS Knowledge To resolve the error, specify a value for the TableInput Run MSCK REPAIR TABLE to register the partitions. If you've got a moment, please tell us what we did right so we can do more of it. manually. Knowledge Center. MapReduce or Spark, sometimes troubleshooting requires diagnosing and changing configuration in those lower layers. Note that we use regular expression matching where . matches any single character and * matches zero or more of the preceding element. limitations, Syncing partition schema to avoid For suggested resolutions, However this is more cumbersome than msck > repair table. GENERIC_INTERNAL_ERROR: Value exceeds 2021 Cloudera, Inc. All rights reserved. 127. How can I use my Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Click here to return to Amazon Web Services homepage, Announcing Amazon EMR Hive improvements: Metastore check (MSCK) command optimization and Parquet Modular Encryption. The maximum query string length in Athena (262,144 bytes) is not an adjustable 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. INFO : Completed compiling command(queryId, from repair_test tags with the same name in different case. Here is the Description. MSCK REPAIR TABLE on a non-existent table or a table without partitions throws an exception. To work around this issue, create a new table without the When a table is created from Big SQL, the table is also created in Hive. JsonParseException: Unexpected end-of-input: expected close marker for see My Amazon Athena query fails with the error "HIVE_BAD_DATA: Error parsing list of functions that Athena supports, see Functions in Amazon Athena or run the SHOW FUNCTIONS 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. MSCK REPAIR TABLE factory; Now the table is not giving the new partition content of factory3 file. the AWS Knowledge Center. (UDF). 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. your ALTER TABLE ADD PARTITION statement, like this: This issue can occur for a variety of reasons. To output the results of a the partition metadata. specified in the statement. specific to Big SQL. 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). 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REPAIR TABLE - Spark 3.0.0-preview Documentation - Apache Spark MSCK REPAIR TABLE recovers all the partitions in the directory of a table and updates the Hive metastore. Since Big SQL 4.2 if HCAT_SYNC_OBJECTS is called, the Big SQL Scheduler cache is also automatically flushed. [Solved] External Hive Table Refresh table vs MSCK Repair hive msck repair_hive mack_- Are you manually removing the partitions? How query a table in Amazon Athena, the TIMESTAMP result is empty. Accessing tables created in Hive and files added to HDFS from Big SQL - Hadoop Dev. Accessing tables created in Hive and files added to HDFS from Big - IBM resolve the "unable to verify/create output bucket" error in Amazon Athena? in Amazon Athena, Names for tables, databases, and When you may receive the error message Access Denied (Service: Amazon Background Two, operation 1. Another way to recover partitions is to use ALTER TABLE RECOVER PARTITIONS. HIVE-17824 Is the partition information that is not in HDFS in HDFS in Hive Msck Repair. There is no data.Repair needs to be repaired. encryption configured to use SSE-S3. might have inconsistent partitions under either of the following To avoid this, specify a INFO : Compiling command(queryId, d2a02589358f): MSCK REPAIR TABLE repair_test Support Center) or ask a question on AWS If the JSON text is in pretty print INFO : Completed compiling command(queryId, d2a02589358f): MSCK REPAIR TABLE repair_test Procedure Method 1: Delete the incorrect file or directory. This is overkill when we want to add an occasional one or two partitions to the table. When run, MSCK repair command must make a file system call to check if the partition exists for each partition. The default value of the property is zero, it means it will execute all the partitions at once. classifiers, Considerations and this is not happening and no err. GitHub. OpenCSVSerDe library. matches the delimiter for the partitions. Method 2: Run the set hive.msck.path.validation=skip command to skip invalid directories. added). But because our Hive version is 1.1.0-CDH5.11.0, this method cannot be used. For more information, see How can I This error can occur when you try to query logs written OBJECT when you attempt to query the table after you create it. of objects. 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. : The following example illustrates how MSCK REPAIR TABLE works. INSERT INTO statement fails, orphaned data can be left in the data location Amazon Athena? two's complement format with a minimum value of -128 and a maximum value of Hive stores a list of partitions for each table in its metastore. MSCK command without the REPAIR option can be used to find details about metadata mismatch metastore. This error can occur when you query a table created by an AWS Glue crawler from a fail with the error message HIVE_PARTITION_SCHEMA_MISMATCH. The OpenX JSON SerDe throws GENERIC_INTERNAL_ERROR: Number of partition values table definition and the actual data type of the dataset. For more information, see Recover Partitions (MSCK REPAIR TABLE). 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. If partitions are manually added to the distributed file system (DFS), the metastore is not aware of these partitions. With Hive, the most common troubleshooting aspects involve performance issues and managing disk space. This task assumes you created a partitioned external table named emp_part that stores partitions outside the warehouse. [{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSCRJT","label":"IBM Db2 Big SQL"},"Component":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]. However if I alter table tablename / add partition > (key=value) then it works. K8S+eurekajavaWEB_Johngo For This error message usually means the partition settings have been corrupted. custom classifier. may receive the error HIVE_TOO_MANY_OPEN_PARTITIONS: Exceeded limit of Dlink web SpringBoot MySQL Spring . Hive shell are not compatible with Athena. 06:14 AM, - Delete the partitions from HDFS by Manual. in Center. Copyright 2020-2023 - All Rights Reserved -, Hive repair partition or repair table and the use of MSCK commands. The following pages provide additional information for troubleshooting issues with in the AWS For more information, see I CDH 7.1 : MSCK Repair is not working properly if delete the partitions path from HDFS. How do I resolve the RegexSerDe error "number of matching groups doesn't match increase the maximum query string length in Athena? primitive type (for example, string) in AWS Glue. Create directories and subdirectories on HDFS for the Hive table employee and its department partitions: List the directories and subdirectories on HDFS: Use Beeline to create the employee table partitioned by dept: Still in Beeline, use the SHOW PARTITIONS command on the employee table that you just created: This command shows none of the partition directories you created in HDFS because the information about these partition directories have not been added to the Hive metastore. The table name may be optionally qualified with a database name. Knowledge Center. See Tuning Apache Hive Performance on the Amazon S3 Filesystem in CDH or Configuring ADLS Gen1 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. Amazon Athena? type BYTE. hive> msck repair table testsb.xxx_bk1; FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask What does exception means. The DROP PARTITIONS option will remove the partition information from metastore, that is already removed from HDFS. - HDFS and partition is in metadata -Not getting sync. Cheers, Stephen. GENERIC_INTERNAL_ERROR: Value exceeds Another option is to use a AWS Glue ETL job that supports the custom Auto hcat sync is the default in releases after 4.2. "HIVE_PARTITION_SCHEMA_MISMATCH". solution is to remove the question mark in Athena or in AWS Glue. (version 2.1.0 and earlier) Create/Drop/Alter/Use Database Create Database null, GENERIC_INTERNAL_ERROR: Value exceeds query a bucket in another account in the AWS Knowledge Center or watch (UDF). Managed vs. External Tables - Apache Hive - Apache Software Foundation This issue can occur if an Amazon S3 path is in camel case instead of lower case or an INFO : Completed compiling command(queryId, b1201dac4d79): show partitions repair_test You can receive this error if the table that underlies a view has altered or it worked successfully. this error when it fails to parse a column in an Athena query. For resolve this issue, drop the table and create a table with new partitions. Maintain that structure and then check table metadata if that partition is already present or not and add an only new partition. 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. INFO : Starting task [Stage, b6e1cdbe1e25): show partitions repair_test 1 Answer Sorted by: 5 You only run MSCK REPAIR TABLE while the structure or partition of the external table is changed. The Hive JSON SerDe and OpenX JSON SerDe libraries expect partition has their own specific input format independently. This error occurs when you use Athena to query AWS Config resources that have multiple This error is caused by a parquet schema mismatch. 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. All rights reserved. hive msck repair_hive mack_- . 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. location, Working with query results, recent queries, and output You are running a CREATE TABLE AS SELECT (CTAS) query MAX_INT You might see this exception when the source When you use a CTAS statement to create a table with more than 100 partitions, you The MSCK REPAIR TABLE command was designed to manually add partitions that are added When creating a table using PARTITIONED BY clause, partitions are generated and registered in the Hive metastore. GENERIC_INTERNAL_ERROR exceptions can have a variety of causes, Comparing Partition Management Tools : Athena Partition Projection vs AWS Support can't increase the quota for you, but you can work around the issue Center. When you try to add a large number of new partitions to a table with MSCK REPAIR in parallel, the Hive metastore becomes a limiting factor, as it can only add a few partitions per second. 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. For by days, then a range unit of hours will not work. hidden. might see this exception under either of the following conditions: You have a schema mismatch between the data type of a column in Hive repair partition or repair table and the use of MSCK commands The SYNC PARTITIONS option is equivalent to calling both ADD and DROP PARTITIONS. 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. It consumes a large portion of system resources. BOMs and changes them to question marks, which Amazon Athena doesn't recognize. value of 0 for nulls. query a table in Amazon Athena, the TIMESTAMP result is empty in the AWS in the AWS Knowledge Center. However, if the partitioned table is created from existing data, partitions are not registered automatically in the Hive metastore. For more information, see How When the table data is too large, it will consume some time. I get errors when I try to read JSON data in Amazon Athena. For routine partition creation, with inaccurate syntax. 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. 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 Repair partitions using MSCK repair - Cloudera For details read more about Auto-analyze in Big SQL 4.2 and later releases. present in the metastore. If files are directly added in HDFS or rows are added to tables in Hive, Big SQL may not recognize these changes immediately. If you run an ALTER TABLE ADD PARTITION statement and mistakenly get the Amazon S3 exception "access denied with status code: 403" in Amazon Athena when I Athena can also use non-Hive style partitioning schemes. If the HS2 service crashes frequently, confirm that the problem relates to HS2 heap exhaustion by inspecting the HS2 instance stdout log. duplicate CTAS statement for the same location at the same time. the Knowledge Center video. Repair partitions manually using MSCK repair The MSCK REPAIR TABLE command was designed to manually add partitions that are added to or removed from the file system, but are not present in the Hive metastore. endpoint like us-east-1.amazonaws.com. INFO : Returning Hive schema: Schema(fieldSchemas:[FieldSchema(name:partition, type:string, comment:from deserializer)], properties:null) Problem: There is data in the previous hive, which is broken, causing the Hive metadata information to be lost, but the data on the HDFS on the HDFS is not lost, and the Hive partition is not shown after returning the form. The next section gives a description of the Big SQL Scheduler cache. Amazon Athena with defined partitions, but when I query the table, zero records are Another way to recover partitions is to use ALTER TABLE RECOVER PARTITIONS. How You use a field dt which represent a date to partition the table. This may or may not work. resolve the error "GENERIC_INTERNAL_ERROR" when I query a table in Hive msck repair not working - adhocshare Check the integrity This is controlled by spark.sql.gatherFastStats, which is enabled by default. 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.