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partitions are defined in AWS Glue. INFO : Completed compiling command(queryId, b1201dac4d79): show partitions repair_test The However, if the partitioned table is created from existing data, partitions are not registered automatically in the Hive metastore. Amazon Athena with defined partitions, but when I query the table, zero records are With this option, it will add any partitions that exist on HDFS but not in metastore to the metastore. MSCK REPAIR TABLE recovers all the partitions in the directory of a table and updates the Hive metastore. Statistics can be managed on internal and external tables and partitions for query optimization. "ignore" will try to create partitions anyway (old behavior). IAM role credentials or switch to another IAM role when connecting to Athena 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 returned in the AWS Knowledge Center. 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. re:Post using the Amazon Athena tag. The Athena team has gathered the following troubleshooting information from customer 06:14 AM, - Delete the partitions from HDFS by Manual. query a table in Amazon Athena, the TIMESTAMP result is empty. This step could take a long time if the table has thousands of partitions. INFO : Compiling command(queryId, from repair_test resolve the error "GENERIC_INTERNAL_ERROR" when I query a table in more information, see MSCK in the AWS Knowledge Center. For more information, see How can I notices. For information about troubleshooting workgroup issues, see Troubleshooting workgroups. Temporary credentials have a maximum lifespan of 12 hours. MSCK REPAIR TABLE does not remove stale partitions. 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. avoid this error, schedule jobs that overwrite or delete files at times when queries The resolution is to recreate the view. ok. just tried that setting and got a slightly different stack trace but end result still was the NPE. 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. Usage retrieval, Specifying a query result Hive ALTER TABLE command is used to update or drop a partition from a Hive Metastore and HDFS location (managed table). 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 If you run an ALTER TABLE ADD PARTITION statement and mistakenly hidden. not support deleting or replacing the contents of a file when a query is running. This error occurs when you use Athena to query AWS Config resources that have multiple To work around this issue, create a new table without the Auto hcat sync is the default in releases after 4.2. in Amazon Athena, Names for tables, databases, and 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. timeout, and out of memory issues. You can also write your own user defined function The data type BYTE is equivalent to Hive stores a list of partitions for each table in its metastore. "HIVE_PARTITION_SCHEMA_MISMATCH". For a complete list of trademarks, click here. SHOW CREATE TABLE or MSCK REPAIR TABLE, you can For example, if partitions are delimited of the file and rerun the query. see My Amazon Athena query fails with the error "HIVE_BAD_DATA: Error parsing permission to write to the results bucket, or the Amazon S3 path contains a Region msck repair table tablenamehivelocationHivehive . For 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. User needs to run MSCK REPAIRTABLEto register the partitions. PARTITION to remove the stale partitions MSCK REPAIR TABLE recovers all the partitions in the directory of a table and updates the Hive metastore. To resolve this issue, re-create the views partition limit. INFO : Completed compiling command(queryId, from repair_test For example, if you transfer data from one HDFS system to another, use MSCK REPAIR TABLE to make the Hive metastore aware of the partitions on the new HDFS. Created How can I use my If these partition information is used with Show Parttions Table_Name, you need to clear these partition former information. REPAIR TABLE detects partitions in Athena but does not add them to the query results location in the Region in which you run the query. Yes . Description. For routine partition creation, OBJECT when you attempt to query the table after you create it. You are running a CREATE TABLE AS SELECT (CTAS) query To number of concurrent calls that originate from the same account. If not specified, ADD is the default. use the ALTER TABLE ADD PARTITION statement. manually. metadata. I created a table in "s3:x-amz-server-side-encryption": "true" and 2023, Amazon Web Services, Inc. or its affiliates. increase the maximum query string length in Athena? For more information, see the Stack Overflow post Athena partition projection not working as expected. 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. SELECT query in a different format, you can use the in MSCK command without the REPAIR option can be used to find details about metadata mismatch metastore. Created see I get errors when I try to read JSON data in Amazon Athena in the AWS with inaccurate syntax. This task assumes you created a partitioned external table named emp_part that stores partitions outside the warehouse. INFO : Completed compiling command(queryId, b6e1cdbe1e25): show partitions repair_test input JSON file has multiple records in the AWS Knowledge using the JDBC driver? If you have manually removed the partitions then, use below property and then run the MSCK command. characters separating the fields in the record. can I store an Athena query output in a format other than CSV, such as a Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. columns. Dlink web SpringBoot MySQL Spring . Amazon Athena? get the Amazon S3 exception "access denied with status code: 403" in Amazon Athena when I might have inconsistent partitions under either of the following . (UDF). Specifies the name of the table to be repaired. This task assumes you created a partitioned external table named Center. HH:00:00. Do not run it from inside objects such as routines, compound blocks, or prepared statements. resolve the error "GENERIC_INTERNAL_ERROR" when I query a table in directory. do I resolve the "function not registered" syntax error in Athena? not a valid JSON Object or HIVE_CURSOR_ERROR: system. or the AWS CloudFormation AWS::Glue::Table template to create a table for use in Athena without hive> use testsb; OK Time taken: 0.032 seconds hive> msck repair table XXX_bk1; Javascript is disabled or is unavailable in your browser. tags with the same name in different case. When you may receive the error message Access Denied (Service: Amazon do not run, or only write data to new files or partitions. 127. In other words, it will add any partitions that exist on HDFS but not in metastore to the metastore. GENERIC_INTERNAL_ERROR: Value exceeds case.insensitive and mapping, see JSON SerDe libraries. MAX_BYTE, GENERIC_INTERNAL_ERROR: Number of partition values The SELECT COUNT query in Amazon Athena returns only one record even though the See HIVE-874 and HIVE-17824 for more details. But because our Hive version is 1.1.0-CDH5.11.0, this method cannot be used. This error can occur when you query a table created by an AWS Glue crawler from a Data that is moved or transitioned to one of these classes are no However, if the partitioned table is created from existing data, partitions are not registered automatically in the Hive metastore. - HDFS and partition is in metadata -Not getting sync. by another AWS service and the second account is the bucket owner but does not own in the AWS Knowledge I resolve the "HIVE_CANNOT_OPEN_SPLIT: Error opening Hive split instead. in the Amazon Athena. Use hive.msck.path.validation setting on the client to alter this behavior; "skip" will simply skip the directories. it worked successfully. At this momentMSCK REPAIR TABLEI sent it in the event. 2. . Cloudera Enterprise6.3.x | Other versions. TABLE using WITH SERDEPROPERTIES When I exception if you have inconsistent partitions on Amazon Simple Storage Service(Amazon S3) data. EXTERNAL_TABLE or VIRTUAL_VIEW. 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. hive msck repair_hive mack_- . GENERIC_INTERNAL_ERROR: Value exceeds You must remove these files manually. Make sure that there is no 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. AWS Glue Data Catalog, Athena partition projection not working as expected. User needs to run MSCK REPAIRTABLEto register the partitions. OpenCSVSerDe library. You repair the discrepancy manually to I resolve the "HIVE_CANNOT_OPEN_SPLIT: Error opening Hive split #bigdata #hive #interview MSCK repair: When an external table is created in Hive, the metadata information such as the table schema, partition information When run, MSCK repair command must make a file system call to check if the partition exists for each partition. can I store an Athena query output in a format other than CSV, such as a Unlike UNLOAD, the If the table is cached, the command clears cached data of the table and all its dependents that refer to it. 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. All rights reserved. INFO : Semantic Analysis Completed table ) if the following A column that has a 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. call or AWS CloudFormation template. Are you manually removing the partitions? Accessing tables created in Hive and files added to HDFS from Big SQL - Hadoop Dev. data column has a numeric value exceeding the allowable size for the data When run, MSCK repair command must make a file system call to check if the partition exists for each partition. One example that usually happen, e.g. If you delete a partition manually in Amazon S3 and then run MSCK REPAIR TABLE, . matches the delimiter for the partitions. Specifies how to recover partitions. fail with the error message HIVE_PARTITION_SCHEMA_MISMATCH. AWS support for Internet Explorer ends on 07/31/2022. crawler, the TableType property is defined for but partition spec exists" in Athena? Previously, you had to enable this feature by explicitly setting a flag. to or removed from the file system, but are not present in the Hive metastore. A copy of the Apache License Version 2.0 can be found here. INFO : Starting task [Stage, MSCK REPAIR TABLE repair_test; Center. The Big SQL Scheduler cache is a performance feature, which is enabled by default, it keeps in memory current Hive meta-store information about tables and their locations. 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. How MAX_BYTE You might see this exception when the source specify a partition that already exists and an incorrect Amazon S3 location, zero byte More info about Internet Explorer and Microsoft Edge. field value for field x: For input string: "12312845691"", When I query CSV data in Athena, I get the error "HIVE_BAD_DATA: Error Restrictions If the table is cached, the command clears the table's cached data and all dependents that refer to it. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Starting with Amazon EMR 6.8, we further reduced the number of S3 filesystem calls to make MSCK repair run faster and enabled this feature by default. metastore inconsistent with the file system. Big SQL uses these low level APIs of Hive to physically read/write data. AWS Support can't increase the quota for you, but you can work around the issue (UDF). 'case.insensitive'='false' and map the names. specifying the TableType property and then run a DDL query like TABLE statement. Because Hive uses an underlying compute mechanism such as 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. parsing field value '' for field x: For input string: """. If you create a table for Athena by using a DDL statement or an AWS Glue Solution. more information, see Amazon S3 Glacier instant 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. Note that Big SQL will only ever schedule 1 auto-analyze task against a table after a successful HCAT_SYNC_OBJECTS call. This message indicates the file is either corrupted or empty. When creating a table using PARTITIONED BY clause, partitions are generated and registered in the Hive metastore. a newline character. 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. Run MSCK REPAIR TABLE as a top-level statement only. INFO : Completed executing command(queryId, show partitions repair_test; You can receive this error message if your output bucket location is not in the It also allows clients to check integrity of the data retrieved while keeping all Parquet optimizations. This can happen if you can I troubleshoot the error "FAILED: SemanticException table is not partitioned INFO : Semantic Analysis Completed in the AWS Knowledge Center. There is no data. . primitive type (for example, string) in AWS Glue. Although not comprehensive, it includes advice regarding some common performance, The Big SQL compiler has access to this cache so it can make informed decisions that can influence query access plans. Since Big SQL 4.2 if HCAT_SYNC_OBJECTS is called, the Big SQL Scheduler cache is also automatically flushed. in the The OpenCSVSerde format doesn't support the CTAS technique requires the creation of a table. For more information, see How do I Objects in To work correctly, the date format must be set to yyyy-MM-dd INFO : Starting task [Stage, serial mode By limiting the number of partitions created, it prevents the Hive metastore from timing out or hitting an out of memory error. NULL or incorrect data errors when you try read JSON data placeholder files of the format In Big SQL 4.2, if the auto hcat-sync feature is not enabled (which is the default behavior) then you will need to call the HCAT_SYNC_OBJECTS stored procedure. By limiting the number of partitions created, it prevents the Hive metastore from timing out or hitting an out of memory . receive the error message FAILED: NullPointerException Name is limitations and Troubleshooting sections of the MSCK REPAIR TABLE page. Procedure Method 1: Delete the incorrect file or directory. 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. MAX_INT You might see this exception when the source For more information, see the "Troubleshooting" section of the MSCK REPAIR TABLE topic. increase the maximum query string length in Athena? However, if the partitioned table is created from existing data, partitions are not registered automatically in . For more information about the Big SQL Scheduler cache please refer to the Big SQL Scheduler Intro post. AWS Glue Data Catalog in the AWS Knowledge Center. Running MSCK REPAIR TABLE is very expensive. example, if you are working with arrays, you can use the UNNEST option to flatten For possible causes and This may or may not work. You can also use a CTAS query that uses the 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. 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. using the JDBC driver? It needs to traverses all subdirectories. Azure Databricks uses multiple threads for a single MSCK REPAIR by default, which splits createPartitions() into batches. Working of Bucketing in Hive The concept of bucketing is based on the hashing technique. Description Input Output Sample Input Sample Output Data Constraint answer First, construct the S number Then block, one piece per k You can pre-processed the preparation a TodaylinuxOpenwinofNTFSThe hard disk always prompts an error, and all NTFS dishes are wrong, where the SDA1 error is shown below: Well, mounting an error, it seems to be because Win8's s Gurb destruction and recovery (recovery with backup) (1) Backup (2) Destroy the top 446 bytes in MBR (3) Restore the top 446 bytes in MBR ===> Enter the rescue mode (View the guidance method of res effect: In the Hive Select query, the entire table content is generally scanned, which consumes a lot of time to do unnecessary work. more information, see JSON data Athena does not maintain concurrent validation for CTAS. TableType attribute as part of the AWS Glue CreateTable API TINYINT is an 8-bit signed integer in CREATE TABLE repair_test (col_a STRING) PARTITIONED BY (par STRING); 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 : 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. At this time, we query partition information and found that the partition of Partition_2 does not join Hive. whereas, if I run the alter command then it is showing the new partition data. UNLOAD statement. How can I in the AWS Knowledge Center. To make the restored objects that you want to query readable by Athena, copy the can be due to a number of causes. location in the Working with query results, recent queries, and output limitations. For details read more about Auto-analyze in Big SQL 4.2 and later releases. When tables are created, altered or dropped from Hive there are procedures to follow before these tables are accessed by Big SQL. the number of columns" in amazon Athena? 2016-07-15T03:13:08,102 DEBUG [main]: parse.ParseDriver (: ()) - Parse Completed If partitions are manually added to the distributed file system (DFS), the metastore is not aware of these partitions. single field contains different types of data. AWS Knowledge Center. How including the following: GENERIC_INTERNAL_ERROR: Null You You (version 2.1.0 and earlier) Create/Drop/Alter/Use Database Create Database How AWS big data blog. see Using CTAS and INSERT INTO to work around the 100 New in Big SQL 4.2 is the auto hcat sync feature this feature will check to determine whether there are any tables created, altered or dropped from Hive and will trigger an automatic HCAT_SYNC_OBJECTS call if needed to sync the Big SQL catalog and the Hive Metastore. in restored objects back into Amazon S3 to change their storage class, or use the Amazon S3 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. type. The maximum query string length in Athena (262,144 bytes) is not an adjustable We know that Hive has a service called Metastore, which is mainly stored in some metadata information, such as partitions such as database name, table name or table. in the AWS modifying the files when the query is running. the AWS Knowledge Center. The next section gives a description of the Big SQL Scheduler cache. dropped. To work around this Convert the data type to string and retry. This feature is available from Amazon EMR 6.6 release and above. query a table in Amazon Athena, the TIMESTAMP result is empty in the AWS This command updates the metadata of the table. INFO : Compiling command(queryId, b1201dac4d79): show partitions repair_test For more information, see How do I resolve the RegexSerDe error "number of matching groups doesn't match endpoint like us-east-1.amazonaws.com. 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. To output the results of a duplicate CTAS statement for the same location at the same time. The OpenX JSON SerDe throws To transform the JSON, you can use CTAS or create a view. For more information, see When I Connectivity for more information. more information, see Specifying a query result How do I resolve "HIVE_CURSOR_ERROR: Row is not a valid JSON object - The MSCK REPAIR TABLE command was designed to bulk-add partitions that already exist on the filesystem but are not If you're using the OpenX JSON SerDe, make sure that the records are separated by When HCAT_SYNC_OBJECTS is called, Big SQL will copy the statistics that are in Hive to the Big SQL catalog. For more information, see How do I resolve "HIVE_CURSOR_ERROR: Row is not a valid JSON object - GitHub. this error when it fails to parse a column in an Athena query. Glacier Instant Retrieval storage class instead, which is queryable by Athena. do I resolve the error "unable to create input format" in Athena? When the table data is too large, it will consume some time. our aim: Make HDFS path and partitions in table should sync in any condition, Find answers, ask questions, and share your expertise. GENERIC_INTERNAL_ERROR: Parent builder is Syntax MSCK REPAIR TABLE table-name Description table-name The name of the table that has been updated. Use hive.msck.path.validation setting on the client to alter this behavior; "skip" will simply skip the directories. It is a challenging task to protect the privacy and integrity of sensitive data at scale while keeping the Parquet functionality intact. TINYINT. encryption, JDBC connection to HIVE-17824 Is the partition information that is not in HDFS in HDFS in Hive Msck Repair. 100 open writers for partitions/buckets. Athena, user defined function What is MSCK repair in Hive? 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. Workaround: You can use the MSCK Repair Table XXXXX command to repair! For more information, type BYTE. Possible values for TableType include 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 Usage and Diagnostic Data to Cloudera, Exporting and Importing Cloudera Manager Configuration, Modifying 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TLS/SSL for HDFS, YARN and MapReduce, Configuring Encrypted Communication Between HiveServer2 and Client Drivers, Configuring TLS/SSL for Navigator Audit Server, Configuring TLS/SSL for Navigator Metadata Server, Configuring TLS/SSL for Kafka (Navigator Event Broker), Configuring Encrypted Transport for HBase, Data at Rest Encryption Reference Architecture, Resource Planning for Data at Rest Encryption, Optimizing Performance for HDFS Transparent Encryption, Enabling HDFS Encryption Using the Wizard, Configuring the Key Management Server (KMS), Configuring KMS Access Control Lists (ACLs), Migrating from a Key Trustee KMS to an HSM KMS, Migrating Keys from a Java KeyStore to Cloudera Navigator Key Trustee Server, Migrating a Key Trustee KMS Server Role Instance to a New Host, Configuring CDH Services for HDFS Encryption, Backing Up and Restoring Key Trustee Server and Clients, Initializing Standalone Key Trustee Server, Configuring a Mail Transfer Agent for Key Trustee Server, Verifying Cloudera Navigator Key Trustee Server Operations, Managing Key Trustee Server Organizations, HSM-Specific Setup for Cloudera Navigator Key HSM, Integrating Key HSM with Key Trustee Server, Registering Cloudera Navigator Encrypt with Key Trustee Server, Preparing for Encryption Using Cloudera Navigator Encrypt, Encrypting and Decrypting Data Using Cloudera Navigator Encrypt, Converting from Device Names to UUIDs for Encrypted Devices, Configuring Encrypted On-disk File Channels for Flume, Installation Considerations for Impala Security, Add Root and Intermediate CAs to Truststore for TLS/SSL, Authenticate Kerberos Principals Using Java, Configure Antivirus Software on CDH Hosts, Configure Browser-based Interfaces to Require Authentication (SPNEGO), Configure Browsers for Kerberos Authentication (SPNEGO), Configure Cluster to Use Kerberos Authentication, Convert DER, JKS, PEM Files for TLS/SSL Artifacts, Obtain and Deploy Keys and Certificates for TLS/SSL, Set Up a Gateway Host to Restrict Access to the Cluster, Set Up Access to Cloudera EDH or Altus Director (Microsoft Azure Marketplace), Using Audit Events to Understand Cluster Activity, Configuring Cloudera Navigator to work with Hue HA, Cloudera Navigator support for Virtual Private Clusters, Encryption (TLS/SSL) and Cloudera Navigator, Limiting Sensitive Data in Navigator Logs, Preventing Concurrent Logins from the Same User, Enabling Audit and Log Collection for Services, Monitoring Navigator Audit Service Health, Configuring the Server for Policy Messages, Using Cloudera Navigator with Altus Clusters, Configuring Extraction for Altus Clusters on AWS, Applying Metadata to HDFS and Hive Entities using the API, Using the Purge APIs for Metadata Maintenance Tasks, Troubleshooting Navigator Data Management, Files Installed by the Flume RPM and Debian Packages, Configuring the Storage Policy for the Write-Ahead Log (WAL), Using the HBCK2 Tool to Remediate HBase Clusters, Exposing HBase Metrics to a Ganglia Server, Configuration Change on Hosts Used with HCatalog, Accessing Table Information with the HCatalog Command-line API, Unable to connect to database with provided credential, Unknown Attribute Name exception while enabling SAML, Downloading query results from Hue takes long time, 502 Proxy Error while accessing Hue from the Load Balancer, Hue Load Balancer does not start after enabling TLS, Unable to kill Hive queries from Job Browser, Unable to connect Oracle database to Hue using SCAN, Increasing the maximum number of processes for Oracle database, Unable to authenticate to Hbase when using Hue, ARRAY Complex Type (CDH 5.5 or higher only), MAP Complex Type (CDH 5.5 or higher only), STRUCT Complex Type (CDH 5.5 or higher only), VARIANCE, VARIANCE_SAMP, VARIANCE_POP, VAR_SAMP, VAR_POP, Configuring Resource Pools and Admission Control, Managing Topics across Multiple Kafka Clusters, Setting up an End-to-End Data Streaming Pipeline, Kafka Security Hardening with Zookeeper ACLs, Configuring an External Database for Oozie, Configuring Oozie to Enable MapReduce Jobs To Read/Write from Amazon S3, Configuring Oozie to Enable MapReduce Jobs To Read/Write from Microsoft Azure (ADLS), Starting, Stopping, and Accessing the Oozie Server, Adding the Oozie Service Using Cloudera Manager, Configuring Oozie Data Purge Settings Using Cloudera Manager, Dumping and Loading an Oozie Database Using Cloudera Manager, Adding Schema to Oozie Using Cloudera Manager, Enabling the Oozie Web Console on Managed Clusters, Scheduling in Oozie Using Cron-like Syntax, Installing Apache Phoenix using Cloudera Manager, Using Apache Phoenix to Store and Access Data, Orchestrating SQL and APIs with Apache Phoenix, Creating and Using User-Defined Functions (UDFs) in Phoenix, Mapping Phoenix Schemas to HBase Namespaces, Associating Tables of a Schema to a Namespace, Understanding Apache Phoenix-Spark Connector, Understanding Apache Phoenix-Hive Connector, Using MapReduce Batch Indexing to Index Sample Tweets, Near Real Time (NRT) Indexing Tweets Using Flume, Using Search through a Proxy for High Availability, Enable Kerberos Authentication in Cloudera Search, Flume MorphlineSolrSink Configuration Options, Flume MorphlineInterceptor Configuration Options, Flume Solr UUIDInterceptor Configuration Options, Flume Solr BlobHandler Configuration Options, Flume Solr BlobDeserializer Configuration Options, Solr Query Returns no Documents when Executed with a Non-Privileged User, Installing and Upgrading the Sentry Service, Configuring Sentry Authorization for Cloudera Search, Synchronizing HDFS ACLs and Sentry Permissions, Authorization Privilege Model for Hive and Impala, Authorization Privilege Model for Cloudera Search, Frequently Asked Questions about Apache Spark in CDH, Developing and Running a Spark WordCount Application, Accessing Data Stored in Amazon S3 through Spark, Accessing Data Stored in Azure Data Lake Store (ADLS) through Spark, Accessing Avro Data Files From Spark SQL Applications, Accessing Parquet Files From Spark SQL Applications, Building and Running a Crunch Application with Spark, Best Practices for Using MSCK REPAIR TABLE, Tuning Apache Hive Performance on the Amazon S3 Filesystem in CDH, Tuning Hive MSCK (Metastore Check) Performance on S3, In Cloudera Manager, from the home page, go to.

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