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Help Center Overview

  • Tamr Core Help Center Overview

Advanced Topics

  • Advanced Topics Overview
  • Schema Mapping
    • How to Add Column Descriptions
    • How to Add/Update/Delete Attributes to a Source Dataset?
  • Mastering
    • Estimate Pairs Running Slowly? Apply Our Best Practices for Managing Pairs
    • Using the Blocking Model Learner
    • Using pre-group-by in Tamr’s Recipe API when Mastering Customers to Multiple Levels
    • How To Extract Subset of Clusters with Specific Average Confidence?
    • How to Programmatically Access the In-Sample Model Statistics of a Tamr Mastering Project?
    • How to Access the Out-Sample Model Statistics?
    • Exporting Cluster Confidence Information
  • Categorization
    • Exporting Categorized Records
    • How To Extract Tiers 1 and 2 as Separate Columns in a Categorization Project?
  • Transformations
    • Creating Flag for Existing Data
    • How To Look for Values in an Array Using array.contains
    • Selecting Characters from a String
  • Core Connect
    • Common Questions on Core Connect
    • How to Correct "null" Strings After JDBC Import
  • LLM
    • Tamr LLM Query Guidance
  • Tamr Toolbox
    • How to Interact Programmatically with Tamr using Tamr Toolbox
  • DataOps Best Practices
    • How To Load Data With Nothing But Flint, Rocks, and Some Kindling
    • How to Obtain a Primary Key
    • A Primer on Exporting Datasets
    • Production Deployment Cycle for Mastering at Scale
    • How to find changes in Tamr mastering outputs with Databricks Delta Lake
    • Deleting Projects and Associated Downstream Datasets from Tamr
    • Guide for Manual Download and Install of Postgres12 Offline
    • Production Deployment Cycle for Mastering at Single Node Scale
    • Debugging Disk Utilization

System Administration

  • System Administration Overview
  • System Health & Performance
    • How to Check Health Status of Tamr
    • How Can I Check If There is Sufficient Memory and Disk Space to Run Tamr?
    • How To Free Up Disk Space
    • How to Check if Server Specifications are Sufficient to Run Tamr?
    • Maintaining System and Tamr Software Health and Performance
    • How To Get the UI Logs
    • How to ensure Tamr memory and CPU settings are up-to-date after VM resizing
    • How To Disable/Enable Elasticsearch for Specific Projects?
    • How To Set Elasticsearch Heap Size?
    • How to Set TAMR_JOB_SPARK_CONFIG_OVERRIDES
    • Setting ulimit Limits & vm.max_map_count
    • How to Clear and Reindex Elasticsearch
    • How To Start Tamr Automatically After a Server Reboot
    • How to Turn Off/On Incremental Dedup
  • Authentication & Authorization
    • Tamr Python Client and SAML User Accounts
  • Backups & Restores
    • How To Initiate a Backup and Restore of Tamr?
    • How to Automate Backup of Tamr on a Daily or Weekly Basis
    • How To Disable Backup of Elasticsearch?
    • How to Factory Reset Tamr on a Single-Node Deployment
    • How To Find the Version of Tamr from a Backup?
    • How To Take a Postgres Backup and Restore From a Postgres Dump File?
  • Upgrades
    • How To Find the Version of My Tamr Installation
    • Best Practices when Upgrading Tamr
  • HTTPS
    • Intro to Nginx and Secure Connections
  • Tamr on Azure
    • Gathering Debugging Information for Databricks Spark in Azure Cloud-Native Tamr Deployments
    • Factory Reset for Azure Cloud-Native Tamr Deployments
  • Tamr on AWS
    • Maintaining Availability in AWS Cloud Native Deployments

Troubleshooting

  • Troubleshooting Overview
  • Issues Starting Tamr
    • Accidentally Started Tamr as Root? Follow These Steps to Undo and Start as Functional User
    • How to Solve "unable to authenticate" Issue, Stopping Tamr from Starting Properly?
    • What To Do When Getting a "Tamr license is not valid" Error?
    • What To Do When Tamr or Tamr Dependencies Started as the Root User?
    • Unable To Restart Tamr - Postgres Not Available
    • Problems with Internet Explorer
    • Yarn Fails To Start Due To Domain Name Resolution Error
    • How To Run encrypt.sh Script When it Fails with an "Illegal key size" Error?
  • Authentication Issues
    • How To Fix “HTTP ERROR 500 Problem assessing /sso/saml/consume. Reason: Server Error”
    • Resolving SAML Authentication Method Mismatch Error
  • Data Ingestion Issues
    • Unable to Use External Dataset Unless It Contains a String-Type Field
    • Error in Uploading UTF-8 with BOM
    • How to Update Table in BigQuery if Streaming Does Not Work
    • NGINX "504 Gateway Timeout" Issues When Uploading Datasets
  • Mastering Issues
    • Attribute Filters Not Working in Projects with Chained Datasets
    • Error “failed to create output schemas for input schemas” with geospatial data
    • Newly Added Unified attribute not appearing in downstream Golden Record project
    • ResourceNotFoundError After Deleting Unified Dataset of Mastering Projects
    • Known Issue for Geospatial Features Beta
    • How Can I Resolve an "Error loading pairs" Error Caused By "Result window too large" issue?
    • How Can I Resolve an "Error parsing metadata at key ‘DEDUP’" Error?
    • Concurrent Modification of Clusters
    • KeyValue Size Too Large Error
  • Golden Records Issues
    • How to resolve "Unable to query Golden Records draft [generated] "<attribute>" does not exist issue?"
  • Categorization Issues
    • Categories Not Appearing in Export
    • Error when Attempting to Remove Verification in Categorization Projects
  • Backup & Restore Issues
    • Restore Backup to New Instance Fails with "Manifest File was Not Found" Error
    • What To Do When Restore On a New Server Failed?
    • Read-Only Mode when Backup is Running
    • BackUp Failed Error SnapshotDoesNotExistException
    • Backup to S3 Failed “Error interacting with filesystem”
  • Elasticsearch
    • Elasticsearch Indexing Failure with ClusterBlockException and Read-only Error Message
    • Error Preventing Viewing Comments Caused By "Clause Count Elasticsearch Error"
    • How Can I Resolve an "Error starting elasticsearch-logging" Error?
    • How Can I Resolve an "Elasticsearch Connection refused" Error?
    • Pair Review Comments Not Viewable due to Elasticsearch Clause Count Error
    • What Should I Do When Elasticsearch Runs into Read-only Mode?
  • HBase
    • What To Do when HBase Region Servers are Unhealthy
    • How Can I Resolve a "RegionTooBusy” Exception?
  • Postgres
    • How To Resolve Postgres Ident Authentication for "tamr" User Issue?
  • Spark
    • Spark Jobs or Tasks in Tamr Fail with Errors Mentioning Snappy Library
    • "Unsafe Projection" Error with Many Transformations
  • Zookeeper
    • Read-only Mode Due To Zookeeper Timeouts

Upgrades

Suggest Edits

Welcome to the section Upgrades in the Tamr Help Center. Use the sidebar on the left to browse topics and articles.

If you are looking for more general and "getting started" information, have a look at our dedicated section on Upgrades, Backups & Restores.

Updated 8 months ago


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