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Help CenterUser GuidesAPI ReferenceRelease Notes

Help Center Overview

  • Tamr Core Help Center Overview
  • Tamr Support Policy

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

Security

  • Security
    • CVE-2022-22950 Mitigation
    • VMware Spring RCE Vulnerabilities
    • Updates on Apache Log4j Vulnerabilities

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

Security

Suggest Edits

This page provides security-related updates and resources.

Security Updates for Tamr Core and Tamr Cloud

UpdateImpacted ProductLast Updated
CVE-2022-22950 MitigationTamr Core6 Jul 2022
VMware Spring RCE VulnerabilitiesTamr Core
Tamr Cloud
1 Apr 2022
Updates on Apache Log4j VulnerabilitiesTamr Core26 Jul 2022

Resources

  • Security Overview

Updated 3 months ago


  • Table of Contents
    • Security Updates for Tamr Core and Tamr Cloud
    • Resources

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