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Nodetool
Nodetool cfstats
Nodetool cfstats
¶
This tool has been renamed as
nodetool tablestats
.
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ScyllaDB Open Source
6.2
master
6.2
6.1
6.0
5.4
5.2
5.1
Getting Started
Install ScyllaDB
Launch ScyllaDB on AWS
Launch ScyllaDB on GCP
Launch ScyllaDB on Azure
ScyllaDB Web Installer for Linux
Install ScyllaDB Linux Packages
Install scylla-jmx Package
Run ScyllaDB in Docker
Install ScyllaDB Without root Privileges
Air-gapped Server Installation
ScyllaDB Housekeeping and how to disable it
ScyllaDB Developer Mode
Configure ScyllaDB
ScyllaDB Configuration Reference
ScyllaDB Requirements
System Requirements
OS Support by Linux Distributions and Version
Cloud Instance Recommendations
ScyllaDB in a Shared Environment
Migrate to ScyllaDB
Migration Process from Cassandra to ScyllaDB
ScyllaDB and Apache Cassandra Compatibility
Migration Tools Overview
Integration Solutions
Integrate ScyllaDB with Spark
Integrate ScyllaDB with KairosDB
Integrate ScyllaDB with Presto
Integrate ScyllaDB with Elasticsearch
Integrate ScyllaDB with Kubernetes
Integrate ScyllaDB with the JanusGraph Graph Data System
Integrate ScyllaDB with DataDog
Integrate ScyllaDB with Kafka
Integrate ScyllaDB with IOTA Chronicle
Integrate ScyllaDB with Spring
Shard-Aware Kafka Connector for ScyllaDB
Install ScyllaDB with Ansible
Integrate ScyllaDB with Databricks
Integrate ScyllaDB with Jaeger Server
Integrate ScyllaDB with MindsDB
Tutorials
ScyllaDB for Administrators
Administration Guide
Procedures
Cluster Management
Backup & Restore
Change Configuration
Maintenance
Best Practices
Benchmarking ScyllaDB
Migrate from Cassandra to ScyllaDB
Disable Housekeeping
Security
ScyllaDB Security Checklist
Enable Authentication
Enable and Disable Authentication Without Downtime
Creating a Custom Superuser
Generate a cqlshrc File
Reset Authenticator Password
Enable Authorization
Grant Authorization CQL Reference
Certificate-based Authentication
Role Based Access Control (RBAC)
Encryption: Data in Transit Client to Node
Encryption: Data in Transit Node to Node
Generating a self-signed Certificate Chain Using openssl
Configure SaslauthdAuthenticator
Admin Tools
Nodetool Reference
CQLSh
Admin REST API
Tracing
ScyllaDB SStable
ScyllaDB Types
SSTableLoader
cassandra-stress
SSTabledump
SSTableMetadata
ScyllaDB Logs
Seastar Perftune
Virtual Tables
Reading mutation fragments
Maintenance socket
Maintenance mode
Task manager
ScyllaDB Monitoring Stack
ScyllaDB Operator
ScyllaDB Manager
Upgrade Procedures
ScyllaDB Versioning
ScyllaDB Open Source Upgrade
ScyllaDB Open Source to ScyllaDB Enterprise Upgrade
ScyllaDB Image
ScyllaDB Enterprise
System Configuration
System Configuration Guide
scylla.yaml
ScyllaDB Snitches
Benchmarking ScyllaDB
ScyllaDB Diagnostic Tools
ScyllaDB for Developers
Develop with ScyllaDB
Tutorials and Example Projects
Learn to Use ScyllaDB
ScyllaDB Alternator
ScyllaDB Drivers
ScyllaDB CQL Drivers
ScyllaDB DynamoDB Drivers
CQL Reference
CQLSh: the CQL shell
Appendices
Compaction
Consistency Levels
Consistency Level Calculator
Data Definition
Data Manipulation
SELECT
INSERT
UPDATE
DELETE
BATCH
Data Types
Definitions
Global Secondary Indexes
Expiring Data with Time to Live (TTL)
Functions
Wasm support for user-defined functions
JSON Support
Materialized Views
Non-Reserved CQL Keywords
Reserved CQL Keywords
Service Levels
ScyllaDB CQL Extensions
Alternator: DynamoDB API in Scylla
Getting Started With ScyllaDB Alternator
ScyllaDB Alternator for DynamoDB users
Features
Lightweight Transactions
Global Secondary Indexes
Local Secondary Indexes
Materialized Views
Counters
Change Data Capture
CDC Overview
The CDC Log Table
Basic operations in CDC
CDC Streams
CDC Stream Generations
Querying CDC Streams
Advanced column types
Preimages and postimages
Data Consistency in CDC
Workload Attributes
ScyllaDB Architecture
Data Distribution with Tablets
ScyllaDB Ring Architecture
ScyllaDB Fault Tolerance
Consistency Level Console Demo
ScyllaDB Anti-Entropy
ScyllaDB Hinted Handoff
ScyllaDB Read Repair
ScyllaDB Repair
SSTable
ScyllaDB SSTable - 2.x
ScyllaDB SSTable - 3.x
Compaction Strategies
Raft Consensus Algorithm in ScyllaDB
Troubleshooting ScyllaDB
Errors and Support
Report a ScyllaDB problem
Error Messages
Change Log Level
ScyllaDB Startup
Ownership Problems
ScyllaDB will not Start
ScyllaDB Python Script broken
Upgrade
Inaccessible configuration files after ScyllaDB upgrade
Cluster and Node
Handling Node Failures
Failure to Add, Remove, or Replace a Node
Failed Decommission Problem
Cluster Timeouts
Node Joined With No Data
NullPointerException
Failed Schema Sync
Data Modeling
ScyllaDB Large Partitions Table
ScyllaDB Large Rows and Cells Table
Large Partitions Hunting
Failure to Update the Schema
Data Storage and SSTables
Space Utilization Increasing
Disk Space is not Reclaimed
SSTable Corruption Problem
Pointless Compactions
Limiting Compaction
CQL
Time Range Query Fails
COPY FROM Fails
CQL Connection Table
ScyllaDB Monitor and Manager
Manager and Monitoring integration
Manager lists healthy nodes as down
Knowledge Base
Upgrading from experimental CDC
Compaction
Consistency in ScyllaDB
Counting all rows in a table is slow
CQL Query Does Not Display Entire Result Set
When CQLSh query returns partial results with followed by “More”
Run ScyllaDB and supporting services as a custom user:group
Customizing CPUSET
Decoding Stack Traces
Snapshots and Disk Utilization
DPDK mode
Debug your database with Flame Graphs
How to Change gc_grace_seconds for a Table
Gossip in ScyllaDB
Increase Permission Cache to Avoid Non-paged Queries
How does ScyllaDB LWT Differ from Apache Cassandra ?
Map CPUs to ScyllaDB Shards
ScyllaDB Memory Usage
NTP Configuration for ScyllaDB
Updating the Mode in perftune.yaml After a ScyllaDB Upgrade
POSIX networking for ScyllaDB
ScyllaDB consistency quiz for administrators
Recreate RAID devices
How to Safely Increase the Replication Factor
ScyllaDB and Spark integration
Increase ScyllaDB resource limits over systemd
ScyllaDB Seed Nodes
How to Set up a Swap Space
ScyllaDB Snapshots
ScyllaDB payload sent duplicated static columns
Stopping a local repair
System Limits
How to flush old tombstones from a table
Time to Live (TTL) and Compaction
ScyllaDB Nodes are Unresponsive
Update a Primary Key
Using the perf utility with ScyllaDB
Configure ScyllaDB Networking with Multiple NIC/IP Combinations
Reference
AWS Images
Azure Images
GCP Images
Configuration Parameters
Glossary
Limits
API Reference (BETA)
Metrics (BETA)
ScyllaDB FAQ
Contribute to ScyllaDB
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