ANNOUNCEMENTS

• SingleStoreDB 9.1 Release Announcement
• 2025-12-17 Version 8.9.43
• 2025-12-17 Version 9.0.16
• Alternatives to SingleStore Studio for Monitoring and SQL Access
• SingleStoreDB 9.0 Release Announcement
• SingleStoreDB 8.9 Release Announcement

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FAQ

• Downloading Older Versions of SingleStore
• Stack Overflow During Query Execution – Increasing thread_stack
• Preventing Proactive Tickets from Being Assigned to Former Employees
• Generating and Reviewing a Cluster Report in SingleStore Self-Managed
• Collecting mv_processlist and mv_bt for Real-Time Cluster Diagnostics
• Locating core dumps and adjusting core file size limits when using systemd-coredump

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CLUSTER

• Best Practices for Configuring Load Balancers in SingleStore Clusters
• Customizing SingleStore prompt
• Understanding Run Count, Success Count, and Failure Count in SingleStore Workload Monitoring
• Getting a Granular View of Memory Consumption in SingleStore
• How do I enable SSL upon deployment?
• Change entire Cluster Port

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SECURITY

• Unauthorized File System Access in Undocumented SingleStoreDB Feature (via Pipeline Transform)
• FluentBit vulnerabilities (CVE-2025-12972, CVE-2025-12970, CVE-2025-12978, CVE-2025-12977, and CVE-2025-12969)
• LangGrinch (CVE-2025-68664): Critical LangChain Core serialization injection bug
• Shai-Hulud Worm 2.0
• React2Shell / Critical RCE Vulnerability in React Server Components and Next.JS (CVE-2025-55182 & CVE-2025-66478)
• Upgrading from SingleStore 8.5 to Receive Patches Faster

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ENGINE

• SHOW TABLE STATUS show double the row count after OPTIMIZE TABLE
• Receiving Segfault on node startup
• Error received when performing REBALANCE: Illegal mix of collations
• READ COMMITTED in SingleStore
• Connect securely to SingleStore
• Disk space got exhausted - the "logs" directory is taking too much space

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REPLICATION

• Impact of frequent TRUNCATE TABLE statements on DR cluster Re-Provisioning
• Replicating MongoDB® Collections via AWS PrivateLink complete guide
• Leaf Error (127.0.0.1:3307): Unknown database 'testdb_2'
• Lag in database replication
• Paired leaf replication in High Availability vs. Load Balanced leaf replication
• Replication between clusters is not healthy

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SQL

• OBSERVE
• Handling BOOLEAN values during Data Load
• Filtering Running Queries by Workspace Using mv_processlist
• Conditions Requiring Plan Invalidation in Plancache
• Understanding High Row Counts in Joins Involving Reference Tables
• Understanding the Impact of columnstore_segment_rows on Columnstore Table Performance

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STORAGE

• Preventing Disk Space Issues Due to Query Spilling
• Fragmentation on Rowstore table
• AD Authentication Error: Cannot find key for HTTP/account@DOMAIN.LOCAL kvno 4 in keytab
• Estimating size for MySQL tables when migrating to SingleStore
• When to use reference tables
• Storage in SingleStore

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PIPELINE

• spoof.dns configuration for Kafka pipelines
• HDFS Pipeline ERROR: proto: hadoop_hdfs.BlockOpResponseProto: illegal tag 0 (wire type 0)
• Resolving Kafka Pipeline Batch Failures: When and How to Use the operation.timeout.ms Parameter
• Ingest data from MySQL to SingleStore (CDC-IN) using Aggregator Pipeline Syntax
• SKIP a specific file in S3 Pipelines
• Skip errors due to invalid JSON or Geospatial values during ingestion

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BACKUP and RESTORE

• Troubleshooting Slow RESTORE from NFS
• Using mysqldump for Backup and Restore in a Kubernetes-Based SingleStore Deployment
• How can I clone or copy a self-managed cluster?
• Best Practices for Inserting Large Volumes of Data from One Table to Another in SingleStore
• Creating a Backup in Digital Ocean Spaces
• Backup and Restore completeion

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DRIVERS

• Enabling Trace Logging for the SingleStore JDBC Connector
• Configuring Terraform Provider for SingleStore
• Connect ODBC for Linux using Kerberos
• Connect ODBC for Windows using Kerberos
• SingleStoreDB Spark Connector: Using a Spark job to merge a large dataset fails due to a table lock
• How to collect Power BI Logging

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UPGRADE

• Troubleshooting  "This node is not managed by a supported tool. Please use a toolbox version at least as new as 1.14.0" Toolbox error during a SingleStore DB Upgrade
• Downgrade SingleStore version
• I need to downgrade version of Singlestore database
• Check the status of an upgrade
• Upgrade to 7.5 with memsql-ops is failing
• Upgrading SingleStore Toolbox

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MISCELLANEOUS

• Creating a Linked Server Between SingleStoreDB Self-Managed (Linux) and SQL Server (Windows)
• Using \watch in MySQL Shell to Monitor Query Output Repeatedly
• Datagrip: Missing Source Code Error with Stored Procedure's DDL
• Error "Received HTTP/0.9 when not allowed" when using Data API
• ERROR 1045 (28000): GSS Major Error: Unspecified GSS failure. Minor code may provide more information. GSS Minor Error: Cannot find key for HTTP/memsql.s2.local@S2.LOCAL kvno 14 in keytab
• error encountered while attempting to log in with a GSSAPI user

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K8S & OPERATOR

• Permissions Required for using Unlimited Storage Databases
• License Update on SingleStore K8's Deployment
• Sync Variables with the Operator
• Custom "Height" With SingleStore Operator
• Kubernetes Service Ingress Error
• Connecting to your Kubernetes SingleStoreDB cluster

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SingleStoreDB Cloud

• Point-in-Time Recovery Capabilities: Standard vs Enterprise Editions
• Resolving the Firewall Allowlist Error for the Helios Management API
• Set retention period for Continuous Backups on Helios
• Scheduled Workspace Resizing via Management API
• Continuous Backups on Helios Workspace
• Understanding difference between memory usage in Portal and Monitoring Dashborads

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