How Amazon Athena? For a CREATE TABLE AS modifying the files when the query is running. You are running a CREATE TABLE AS SELECT (CTAS) query 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. For more information, see How Description. This error can occur in the following scenarios: The data type defined in the table doesn't match the source data, or a Troubleshooting in Athena - Amazon Athena can I troubleshoot the error "FAILED: SemanticException table is not partitioned of objects. Working of Bucketing in Hive The concept of bucketing is based on the hashing technique. This error occurs when you try to use a function that Athena doesn't support. Azure Databricks uses multiple threads for a single MSCK REPAIR by default, which splits createPartitions() into batches. partition has their own specific input format independently. INFO : Starting task [Stage, b6e1cdbe1e25): show partitions repair_test This requirement applies only when you create a table using the AWS Glue If the table is cached, the command clears cached data of the table and all its dependents that refer to it. 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 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. HH:00:00. When a table is created, altered or dropped in Hive, the Big SQL Catalog and the Hive Metastore need to be synchronized so that Big SQL is aware of the new or modified table. The OpenCSVSerde format doesn't support the 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). This message can occur when a file has changed between query planning and query Please check how your patterns that you specify an AWS Glue crawler. by another AWS service and the second account is the bucket owner but does not own INFO : Completed compiling command(queryId, seconds If you use the AWS Glue CreateTable API operation receive the error message FAILED: NullPointerException Name is Okay, so msck repair is not working and you saw something as below, 0: jdbc:hive2://hive_server:10000> msck repair table mytable; Error: Error while processing statement: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask (state=08S01,code=1) Attached to the official website Recover Partitions (MSCK REPAIR TABLE). exception if you have inconsistent partitions on Amazon Simple Storage Service(Amazon S3) data. Athena, user defined function You can receive this error message if your output bucket location is not in the your ALTER TABLE ADD PARTITION statement, like this: This issue can occur for a variety of reasons. REPAIR TABLE - Azure Databricks - Databricks SQL | Microsoft Learn If the policy doesn't allow that action, then Athena can't add partitions to the metastore. directory. If you are on versions prior to Big SQL 4.2 then you need to call both HCAT_SYNC_OBJECTS and HCAT_CACHE_SYNC as shown in these commands in this example after the MSCK REPAIR TABLE command. characters separating the fields in the record. 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. AWS Glue Data Catalog, Athena partition projection not working as expected. However this is more cumbersome than msck > repair table. Amazon S3 bucket that contains both .csv and For routine partition creation, How Restrictions location. However, if the partitioned table is created from existing data, partitions are not registered automatically in the Hive metastore. If you continue to experience issues after trying the suggestions ) if the following 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. Can I know where I am doing mistake while adding partition for table factory? PutObject requests to specify the PUT headers The greater the number of new partitions, the more likely that a query will fail with a java.net.SocketTimeoutException: Read timed out error or an out of memory error message. data column has a numeric value exceeding the allowable size for the data "ignore" will try to create partitions anyway (old behavior). If the table is cached, the command clears the table's cached data and all dependents that refer to it. Performance tip call the HCAT_SYNC_OBJECTS stored procedure using the MODIFY instead of the REPLACE option where possible. To transform the JSON, you can use CTAS or create a view. For more information, see How How 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). "HIVE_PARTITION_SCHEMA_MISMATCH". Dlink MySQL Table. 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 in the are using the OpenX SerDe, set ignore.malformed.json to in rerun the query, or check your workflow to see if another job or process is Resolve issues with MSCK REPAIR TABLE command in Athena For This error can occur when you query a table created by an AWS Glue crawler from a It consumes a large portion of system resources. UNLOAD statement. Hive shell are not compatible with Athena. TINYINT. 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. with a particular table, MSCK REPAIR TABLE can fail due to memory The following pages provide additional information for troubleshooting issues with With Hive, the most common troubleshooting aspects involve performance issues and managing disk space. the Knowledge Center video. The number of partition columns in the table do not match those in For specifying the TableType property and then run a DDL query like execution. It usually occurs when a file on Amazon S3 is replaced in-place (for example, This message indicates the file is either corrupted or empty. the AWS Knowledge Center. Temporary credentials have a maximum lifespan of 12 hours. An Error Is Reported When msck repair table table_name Is Run on Hive PARTITION to remove the stale partitions You should not attempt to run multiple MSCK REPAIR TABLE commands in parallel. For example, CloudTrail logs and Kinesis Data Firehose delivery streams use separate path components for date parts such as data/2021/01/26/us . With this option, it will add any partitions that exist on HDFS but not in metastore to the metastore. partition_value_$folder$ are the AWS Knowledge Center. Malformed records will return as NULL. partition limit, S3 Glacier flexible Troubleshooting Apache Hive in CDH | 6.3.x - Cloudera system. *', '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. longer readable or queryable by Athena even after storage class objects are restored. Athena does not maintain concurrent validation for CTAS. 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. table Can you share the error you have got when you had run the MSCK command. By limiting the number of partitions created, it prevents the Hive metastore from timing out or hitting an out of memory error. whereas, if I run the alter command then it is showing the new partition data. Unlike UNLOAD, the a newline character. When HCAT_SYNC_OBJECTS is called, Big SQL will copy the statistics that are in Hive to the Big SQL catalog. You can also use a CTAS query that uses the get the Amazon S3 exception "access denied with status code: 403" in Amazon Athena when I s3://awsdoc-example-bucket/: Slow down" error in Athena? INFO : Starting task [Stage, serial mode Outside the US: +1 650 362 0488. Possible values for TableType include Note that we use regular expression matching where . matches any single character and * matches zero or more of the preceding element. TableType attribute as part of the AWS Glue CreateTable API can I troubleshoot the error "FAILED: SemanticException table is not partitioned statements that create or insert up to 100 partitions each. For more information, see When I run an Athena query, I get an "access denied" error in the AWS using the JDBC driver? This error can occur when you query an Amazon S3 bucket prefix that has a large number might have inconsistent partitions under either of the following Athena does IAM policy doesn't allow the glue:BatchCreatePartition action. The solution is to run CREATE . 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. regex matching groups doesn't match the number of columns that you specified for the Repair partitions using MSCK repair - Cloudera Even if a CTAS or Partitioning data in Athena - Amazon Athena This error occurs when you use the Regex SerDe in a CREATE TABLE statement and the number of This time can be adjusted and the cache can even be disabled. 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. You can receive this error if the table that underlies a view has altered or Are you manually removing the partitions? viewing. The MSCK REPAIR TABLE command was designed to bulk-add partitions that already exist on the filesystem but are not This can be done by executing the MSCK REPAIR TABLE command from Hive. The cache will be lazily filled when the next time the table or the dependents are accessed. metastore inconsistent with the file system. 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. Use hive.msck.path.validation setting on the client to alter this behavior; "skip" will simply skip the directories. How do I resolve "HIVE_CURSOR_ERROR: Row is not a valid JSON object - After dropping the table and re-create the table in external type. its a strange one. 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. This error can occur if the specified query result location doesn't exist or if Hive stores a list of partitions for each table in its metastore. If you've got a moment, please tell us how we can make the documentation better. resolutions, see I created a table in For information about MSCK REPAIR TABLE related issues, see the Considerations and Ganesh C on LinkedIn: #bigdata #hive #interview #data #dataengineer # returned, When I run an Athena query, I get an "access denied" error, I see I get errors when I try to read JSON data in Amazon Athena in the AWS "ignore" will try to create partitions anyway (old behavior). Another way to recover partitions is to use ALTER TABLE RECOVER PARTITIONS. do I resolve the "function not registered" syntax error in Athena? Background Two, operation 1. dropped. Search results are not available at this time. Athena can also use non-Hive style partitioning schemes. AWS Glue. receive the error message Partitions missing from filesystem. 2021 Cloudera, Inc. All rights reserved. Azure Databricks uses multiple threads for a single MSCK REPAIR by default, which splits createPartitions () into batches. hive msck repair Load placeholder files of the format 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. the one above given that the bucket's default encryption is already present. For more information, see How do I AWS Knowledge Center. property to configure the output format. For more information, see I INFO : Returning Hive schema: Schema(fieldSchemas:[FieldSchema(name:partition, type:string, comment:from deserializer)], properties:null) in the AWS Knowledge Center. : For more information, see The SELECT COUNT query in Amazon Athena returns only one record even though the Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. GENERIC_INTERNAL_ERROR: Number of partition values partition limit. The default option for MSC command is ADD PARTITIONS. This can occur when you don't have permission to read the data in the bucket, it worked successfully. See Tuning Apache Hive Performance on the Amazon S3 Filesystem in CDH or Configuring ADLS Gen1 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. 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 Created Check the integrity For more information, see How do I resolve "HIVE_CURSOR_ERROR: Row is not a valid JSON object - INFO : Semantic Analysis Completed but partition spec exists" in Athena? notices. 12:58 AM. Run MSCK REPAIR TABLE to register the partitions. compressed format? Since Big SQL 4.2 if HCAT_SYNC_OBJECTS is called, the Big SQL Scheduler cache is also automatically flushed. AWS Glue Data Catalog in the AWS Knowledge Center. Cheers, Stephen. To prevent this from happening, use the ADD IF NOT EXISTS syntax in For more information, see How do This error usually occurs when a file is removed when a query is running. specific to Big SQL. [Solved] External Hive Table Refresh table vs MSCK Repair If not specified, ADD is the default. REPAIR TABLE - Spark 3.0.0-preview Documentation - Apache Spark Because of their fundamentally different implementations, views created in Apache might see this exception under either of the following conditions: You have a schema mismatch between the data type of a column in crawler, the TableType property is defined for At this time, we query partition information and found that the partition of Partition_2 does not join Hive. AWS Knowledge Center. The Athena engine does not support custom JSON Use ALTER TABLE DROP To (version 2.1.0 and earlier) Create/Drop/Alter/Use Database Create Database input JSON file has multiple records in the AWS Knowledge We're sorry we let you down. No, MSCK REPAIR is a resource-intensive query. 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. define a column as a map or struct, but the underlying When you use a CTAS statement to create a table with more than 100 partitions, you REPAIR TABLE - Spark 3.2.0 Documentation - Apache Spark GENERIC_INTERNAL_ERROR: Parent builder is 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. with inaccurate syntax. limitations. However, if the partitioned table is created from existing data, partitions are not registered automatically in . GENERIC_INTERNAL_ERROR: Value exceeds TABLE using WITH SERDEPROPERTIES A column that has a REPAIR TABLE Description. For more information, see Recover Partitions (MSCK REPAIR TABLE). 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. Supported browsers are Chrome, Firefox, Edge, and Safari. The cache fills the next time the table or dependents are accessed. Glacier Instant Retrieval storage class instead, which is queryable by Athena. The MSCK REPAIR TABLE command was designed to bulk-add partitions that already exist on the filesystem but are not present in the metastore. For more information, see UNLOAD. GENERIC_INTERNAL_ERROR: Parent builder is 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. null, GENERIC_INTERNAL_ERROR: Value exceeds 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. #bigdata #hive #interview MSCK repair: When an external table is created in Hive, the metadata information such as the table schema, partition information This task assumes you created a partitioned external table named emp_part that stores partitions outside the warehouse. I've just implemented the manual alter table / add partition steps. 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. OpenCSVSerDe library. 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. retrieval storage class, My Amazon Athena query fails with the error "HIVE_BAD_DATA: Error parsing 2023, Amazon Web Services, Inc. or its affiliates. When creating a table using PARTITIONED BY clause, partitions are generated and registered in the Hive metastore. When you use the AWS Glue Data Catalog with Athena, the IAM policy must allow the glue:BatchCreatePartition action. 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. MAX_INT, GENERIC_INTERNAL_ERROR: Value exceeds INSERT INTO statement fails, orphaned data can be left in the data location 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 Configuration Properties Using Cloudera Manager, Viewing and Reverting Configuration Changes, Cloudera Manager Configuration Properties Reference, Starting, Stopping, Refreshing, and Restarting a Cluster, Virtual Private Clusters and Cloudera SDX, Compatibility Considerations for Virtual Private Clusters, Tutorial: Using Impala, Hive and Hue with Virtual Private Clusters, Networking Considerations for Virtual Private Clusters, Backing Up and Restoring NameNode Metadata, Configuring Storage Directories for DataNodes, Configuring Storage Balancing for DataNodes, Preventing Inadvertent Deletion of Directories, Configuring Centralized Cache Management in HDFS, Configuring Heterogeneous Storage in HDFS, Enabling Hue Applications Using Cloudera Manager, Post-Installation Configuration for Impala, Configuring Services to Use the GPL Extras Parcel, Tuning and Troubleshooting Host Decommissioning, Comparing Configurations for a Service Between Clusters, Starting, Stopping, and Restarting Services, Introduction to Cloudera Manager Monitoring, Viewing Charts for Cluster, Service, Role, and Host Instances, Viewing and Filtering MapReduce Activities, Viewing the Jobs in a Pig, Oozie, or Hive Activity, Viewing Activity Details in a Report Format, Viewing the Distribution of Task Attempts, Downloading HDFS Directory Access Permission Reports, Troubleshooting Cluster Configuration and Operation, Authentication Server Load Balancer Health Tests, Impala Llama ApplicationMaster Health Tests, Navigator Luna KMS Metastore Health Tests, Navigator Thales KMS Metastore Health Tests, Authentication Server Load Balancer Metrics, HBase RegionServer Replication Peer Metrics, Navigator HSM KMS backed by SafeNet Luna HSM Metrics, Navigator HSM KMS backed by Thales HSM Metrics, Choosing and Configuring Data Compression, YARN (MRv2) and MapReduce (MRv1) Schedulers, Enabling and Disabling Fair Scheduler Preemption, Creating a Custom Cluster Utilization Report, Configuring Other CDH Components to Use HDFS HA, Administering an HDFS High Availability Cluster, Changing a Nameservice Name for Highly Available HDFS Using Cloudera Manager, MapReduce (MRv1) and YARN (MRv2) High Availability, YARN (MRv2) ResourceManager High Availability, Work Preserving Recovery for YARN Components, MapReduce (MRv1) JobTracker High Availability, Cloudera Navigator Key Trustee Server High Availability, Enabling Key Trustee KMS High Availability, Enabling Navigator HSM KMS High Availability, High Availability for Other CDH Components, Navigator Data Management in a High Availability Environment, Configuring Cloudera Manager for High Availability With a Load Balancer, Introduction to Cloudera Manager Deployment Architecture, Prerequisites for Setting up Cloudera Manager High Availability, High-Level Steps to Configure Cloudera Manager High Availability, Step 1: Setting Up Hosts and the Load Balancer, Step 2: Installing and Configuring Cloudera Manager Server for High Availability, Step 3: Installing and Configuring Cloudera Management Service for High Availability, Step 4: Automating Failover with Corosync and Pacemaker, TLS and Kerberos Configuration for Cloudera Manager High Availability, Port Requirements for Backup and Disaster Recovery, Monitoring the Performance of HDFS Replications, Monitoring the Performance of Hive/Impala Replications, Enabling Replication Between Clusters with Kerberos Authentication, How To Back Up and Restore Apache Hive Data Using Cloudera Enterprise BDR, How To Back Up and Restore HDFS Data Using Cloudera Enterprise BDR, Migrating Data between Clusters Using distcp, Copying Data between a Secure and an Insecure Cluster using DistCp and WebHDFS, Using S3 Credentials with YARN, MapReduce, or Spark, How to Configure a MapReduce Job to Access S3 with an HDFS Credstore, Importing Data into Amazon S3 Using Sqoop, Configuring ADLS Access Using Cloudera Manager, Importing Data into Microsoft Azure Data Lake Store Using Sqoop, Configuring Google Cloud Storage Connectivity, How To Create a Multitenant Enterprise Data Hub, Configuring Authentication in Cloudera Manager, Configuring External Authentication and Authorization for Cloudera Manager, Step 2: Install JCE Policy Files for AES-256 Encryption, Step 3: Create the Kerberos Principal for Cloudera Manager Server, Step 4: Enabling Kerberos Using the Wizard, Step 6: Get or Create a Kerberos Principal for Each User Account, Step 7: Prepare the Cluster for Each User, Step 8: Verify that Kerberos Security is Working, Step 9: (Optional) Enable Authentication for HTTP Web Consoles for Hadoop Roles, Kerberos Authentication for Non-Default Users, Managing Kerberos Credentials Using Cloudera Manager, Using a Custom Kerberos Keytab Retrieval Script, Using Auth-to-Local Rules to Isolate Cluster Users, Configuring Authentication for Cloudera Navigator, Cloudera Navigator and External Authentication, Configuring Cloudera Navigator for Active Directory, Configuring Groups for Cloudera Navigator, Configuring Authentication for Other Components, Configuring Kerberos for Flume Thrift Source and Sink Using Cloudera Manager, Using Substitution Variables with Flume for Kerberos Artifacts, Configuring Kerberos Authentication for HBase, Configuring the HBase Client TGT Renewal Period, Using Hive to Run Queries on a Secure HBase Server, Enable Hue to Use Kerberos for Authentication, Enabling Kerberos Authentication for Impala, Using Multiple Authentication Methods with Impala, Configuring Impala Delegation for Hue and BI Tools, Configuring a Dedicated MIT KDC for Cross-Realm Trust, Integrating MIT Kerberos and Active Directory, Hadoop Users (user:group) and Kerberos Principals, Mapping Kerberos Principals to Short Names, Configuring TLS Encryption for Cloudera Manager and CDH Using Auto-TLS, Manually Configuring TLS Encryption for Cloudera Manager, Manually Configuring TLS Encryption on the Agent Listening Port, Manually Configuring TLS/SSL Encryption for CDH Services, Configuring 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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