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  • GET STARTED
    • Quick start
      • 1. Install YugabyteDB
      • 2. Create a local cluster
      • 3. Explore YSQL
      • 4. Build an application
        • Java
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        • Go
        • Python
        • Ruby
        • C#
        • PHP
        • C++
        • C
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    • Explore core features
      • Linear scalability
      • Fault tolerance
      • Global distribution
      • Auto sharding
      • Follower reads
      • Observability
      • Colocated tables
      • Change data capture (CDC)
      • Two data center (2DC)
  • USER GUIDES
    • Develop
      • Learn app development
        • 1. SQL vs NoSQL
        • 2. Data modeling
        • 3. Data types
        • 4. ACID transactions
        • 5. Aggregations
        • 6. Batch operations
        • 7. Date and time
        • 8. Strings and text
        • 9. TTL for data expiration
      • Ecosystem integrations
        • Apache Kafka
        • Apache Spark
        • JanusGraph
        • KairosDB
        • Presto
        • Metabase
      • Build GraphQL apps
        • Hasura
        • Prisma
      • Real-world examples
        • E-Commerce app
        • IoT fleet management
        • Retail Analytics
      • Explore sample apps
      • Best practices
    • Deploy
      • Deployment checklist
      • Manual deployment
        • 1. System configuration
        • 2. Install software
        • 3. Start YB-Masters
        • 4. Start YB-TServers
        • 5. Verify deployment
      • Kubernetes
        • Single-zone
          • Open Source
          • Amazon EKS
          • Google Kubernetes Engine
          • Azure Kubernetes Service
        • Multi-zone
          • Amazon EKS
          • Google Kubernetes Engine
        • Multi-cluster
          • Google Kubernetes Engine
        • Best practices
        • Connect clients
      • Docker
      • Public clouds
        • Amazon Web Services
        • Google Cloud Platform
        • Microsoft Azure
      • Multi-DC deployments
        • Three+ data center (3DC)
        • Two data center (2DC)
        • Read replica clusters
      • Change data capture (CDC)
        • CDC to Kafka
      • Pivotal Cloud Foundry
      • Yugabyte Platform
        • 1. Prepare cloud environment
        • 2. Install Yugabyte Platform
        • 3. Configure Yugabyte Platform
        • 4. Configure cloud providers
      • Yugabyte Cloud
        • Free Tier
        • Create clusters
        • Monitor clusters
        • Create databases
        • Manage database access
        • Connect to clusters
    • Benchmark
      • TPC-C
      • sysbench
      • YCSB
      • Key-value workload
      • Large datasets
      • Scalability
        • Scaling queries
      • Resilience
        • Jepsen testing
    • Secure
      • Security checklist
      • Authentication
        • Authentication
        • Fine-grained authentication
      • Encryption in transit
        • Create client certificates
        • Create server certificates
        • Enable server-to-server encryption
        • Enable client-to-server encryption
        • Connect to clusters
      • Encryption at rest
      • Authorization
        • RBAC model
        • Create roles
        • Grant privileges
    • Manage
      • Back up and restore
        • Back up data
        • Restore data
        • Snapshot and restore data
      • Migrate data
        • Bulk import
        • Bulk export
      • Change cluster configuration
      • Diagnostics reporting
      • Upgrade a deployment
      • Yugabyte Platform
        • Create a multi-zone universe
        • Create a multi-region universe
        • Edit a universe
        • Configure health checks and alerts
        • Edit configuration flags
        • Create and edit instance tags
        • Create a read replica cluster
        • Node status and actions
        • Back up and restore data
        • Back up and restore Yugabyte Platform
        • Schedule a data backup
        • Upgrade a universe
        • Delete a universe
        • Migrate to Helm 3
    • Troubleshoot
      • Troubleshooting
      • Cluster level issues
        • YCQL connection issues
        • YEDIS connection Issues
        • Recover tserver/master
      • Node level issues
        • Check processes
        • Inspect logs
        • System statistics
        • Disk failure
      • Yugabyte Platform
        • Troubleshoot universes
  • REFERENCE
    • APIs
      • YSQL
        • Statements
          • ABORT
          • ALTER DATABASE
          • ALTER DEFAULT PRIVILEGES
          • ALTER DOMAIN
          • ALTER GROUP
          • ALTER POLICY
          • ALTER ROLE
          • ALTER SEQUENCE
          • ALTER TABLE
          • ALTER USER
          • BEGIN
          • COMMENT
          • COMMIT
          • COPY
          • CREATE AGGREGATE
          • CREATE CAST
          • CREATE DATABASE
          • CREATE DOMAIN
          • CREATE EXTENSION
          • CREATE FUNCTION
          • CREATE GROUP
          • CREATE INDEX
          • CREATE OPERATOR
          • CREATE OPERATOR CLASS
          • CREATE POLICY
          • CREATE PROCEDURE
          • CREATE ROLE
          • CREATE RULE
          • CREATE SCHEMA
          • CREATE SEQUENCE
          • CREATE TABLE
          • CREATE TABLE AS
          • CREATE TRIGGER
          • CREATE TYPE
          • CREATE USER
          • CREATE VIEW
          • DEALLOCATE
          • DELETE
          • DO
          • DROP AGGREGATE
          • DROP CAST
          • DROP DATABASE
          • DROP DOMAIN
          • DROP EXTENSION
          • DROP FUNCTION
          • DROP GROUP
          • DROP OPERATOR
          • DROP OPERATOR CLASS
          • DROP OWNED
          • DROP POLICY
          • DROP PROCEDURE
          • DROP ROLE
          • DROP RULE
          • DROP SEQUENCE
          • DROP TABLE
          • DROP TRIGGER
          • DROP TYPE
          • DROP USER
          • END
          • EXECUTE
          • EXPLAIN
          • GRANT
          • INSERT
          • LOCK
          • PREPARE
          • REASSIGN OWNED
          • RESET
          • REVOKE
          • ROLLBACK
          • SELECT
          • SET
          • SET CONSTRAINTS
          • SET ROLE
          • SET SESSION AUTHORIZATION
          • SET TRANSACTION
          • SHOW
          • SHOW TRANSACTION
          • TRUNCATE
          • UPDATE
        • Data types
          • Array
            • array of DOMAINs
            • array[] constructor
            • FOREACH loop (PL/pgSQL)
            • Literals
              • Text typecasting and literals
              • Array of primitive values
              • Row
              • Array of rows
            • Functions and operators
              • Array comparison
              • Array concatenation
              • Array properties
              • Array slice operator
              • array_agg() / unnest()
              • array_fill()
              • array_position(), array_positions()
              • array_remove()
              • array_replace() / set value
              • array_to_string()
              • string_to_array()
          • Binary
          • Boolean
          • Character
          • Date and time
          • JSON
            • JSON literals
            • Primitive and compound data types
            • Code example conventions
            • Indexes and check constraints
            • Functions & operators
              • ::jsonb, ::json, ::text (typecast)
              • ->, ->>, #>, #>> (JSON subvalues)
              • - and #- (remove)
              • || (concatenation)
              • = (equality)
              • @> and <@ (containment)
              • ? and ?| and ?& (key or value existence)
              • array_to_json()
              • jsonb_agg()
              • jsonb_array_elements()
              • jsonb_array_elements_text()
              • jsonb_array_length()
              • jsonb_build_object()
              • jsonb_build_array()
              • jsonb_each()
              • jsonb_each_text()
              • jsonb_extract_path()
              • jsonb_extract_path_text() and json_extract_path_text()
              • jsonb_object()
              • jsonb_object_agg()
              • jsonb_object_keys()
              • jsonb_populate_record()
              • jsonb_populate_recordset()
              • jsonb_pretty()
              • jsonb_set() and jsonb_insert()
              • jsonb_strip_nulls()
              • jsonb_to_record()
              • jsonb_to_recordset()
              • jsonb_typeof()
              • row_to_json()
              • to_jsonb()
          • Money
          • Numeric
          • Serial
          • UUID
        • Functions and operators
          • currval()
          • lastval()
          • nextval()
          • Window functions
            • Informal functionality overview
            • Invocation SQL syntax and semantics
            • Per function signature and purpose
              • row_number(), rank() and dense_rank()
              • percent_rank(), cume_dist() and ntile()
              • first_value(), nth_value(), last_value()
              • lag(), lead()
              • Tables for the code examples
                • table t1
                • table t2
                • table t3
                • table t4
            • Analyzing a normal distribution
              • Bucket allocation scheme
              • do_clean_start.sql
              • cr_show_t4.sql
              • cr_dp_views.sql
              • cr_int_views.sql
              • cr_pr_cd_equality_report.sql
              • cr_bucket_using_width_bucket.sql
              • cr_bucket_dedicated_code.sql
              • do_assert_bucket_ok
              • cr_histogram.sql
              • cr_do_ntile.sql
              • cr_do_percent_rank.sql
              • cr_do_cume_dist.sql
              • do_populate_results.sql
              • do_report_results.sql
              • do_compare_dp_results.sql
              • do_demo.sql
              • Reports
                • Histogram report
                • dp-results
                • compare-dp-results
                • int-results
        • Extensions
        • Keywords
        • Reserved names
      • YCQL
        • Quick start YCQL
        • ALTER KEYSPACE
        • ALTER ROLE
        • ALTER TABLE
        • CREATE INDEX
        • CREATE KEYSPACE
        • CREATE ROLE
        • CREATE TABLE
        • CREATE TYPE
        • DROP INDEX
        • DROP KEYSPACE
        • DROP ROLE
        • DROP TABLE
        • DROP TYPE
        • GRANT PERMISSION
        • GRANT ROLE
        • REVOKE PERMISSION
        • REVOKE ROLE
        • USE
        • INSERT
        • SELECT
        • EXPLAIN
        • UPDATE
        • DELETE
        • TRANSACTION
        • TRUNCATE
        • Simple expressions
        • Subscripted expressions
        • Function call
        • Operators
        • BLOB
        • BOOLEAN
        • Collection
        • FROZEN
        • INET
        • Integer and counter
        • Non-integer
        • TEXT
        • DATE, TIME, and TIMESTAMP
        • UUID and TIMEUUID
        • JSONB
        • Date and time
    • CLIs
      • yb-ctl
      • yb-docker-ctl
      • ysqlsh
      • ycqlsh
      • yb-admin
      • yb-ts-cli
      • ysql_dump
      • ysql_dumpall
    • Configuration
      • yb-tserver
      • yb-master
      • yugabyted
      • Default ports
    • Drivers
      • PostgreSQL JDBC Driver
      • YugabyteDB JDBC Driver
      • Spring Data YugabyteDB
    • Connectors
      • Kafka Connect YugabyteDB
    • Third party tools
      • DBeaver
      • DbSchema
      • pgAdmin
      • SQL Workbench/J
      • TablePlus
      • Visual Studio Code
    • Sample datasets
      • Chinook
      • Northwind
      • PgExercises
      • SportsDB
  • RELEASES
    • What's new in 2.1.8
    • Earlier releases
      • v2.1.6
      • v2.1.5
      • v2.1.4
      • v2.1.3
      • v2.1.2
      • v2.1.1
      • v2.1.0
      • v2.0.11
      • v2.0.10
      • v2.0.9
      • v2.0.8
      • v2.0.7
      • v2.0.6
      • v2.0.5
      • v2.0.3
      • v2.0.1
      • v2.0.0
      • v1.3.1
      • v1.3.0
      • v1.2.12
      • v1.2.11
      • v1.2.10
      • v1.2.9
      • v1.2.8
      • v1.2.6
      • v1.2.5
      • v1.2.4
  • CONCEPTS
    • Architecture
      • Design goals
      • Key concepts
        • Universe
        • YB-TServer Service
        • YB-Master Service
      • Core functions
        • Universe creation
        • Table creation
        • Write IO path
        • Read IO path
        • High availability
      • Layered architecture
      • Query layer
        • Overview
      • DocDB transactions layer
        • Transactions overview
        • Transaction isolation levels
        • Explicit locking
        • Single-row transactions
        • Distributed transactions
        • Transactional IO path
      • DocDB sharding layer
        • Hash & range sharding
        • Tablet splitting
        • Colocated tables
      • DocDB replication layer
        • Replication
        • xCluster replication
        • Read replicas
        • Change data capture (CDC)
      • DocDB storage layer
        • Persistence
        • Performance
  • FAQ
    • Comparisons
      • Amazon Aurora
      • Google Cloud Spanner
      • CockroachDB
      • TiDB
      • Vitess
      • MongoDB
      • FoundationDB
      • Amazon DynamoDB
      • Azure Cosmos DB
      • Apache Cassandra
      • PostgreSQL
      • Redis in-memory store
      • Apache HBase
    • FAQs
      • General FAQ
      • Operations FAQ
      • API compatibility FAQ
      • Yugabyte Platform FAQ
  • CONTRIBUTOR GUIDES
    • Get involved
      • Core database
        • Contribution checklist
        • Build the source
        • Configure a CLion project
        • Run the tests
  • MISC
    • YEDIS
      • Quick start
      • Develop
        • Build an application
        • C#
        • C++
        • Go
        • Java
        • NodeJS
        • Python
      • API reference
        • APPEND
        • AUTH
        • CONFIG
        • CREATEDB
        • DELETEDB
        • LISTDB
        • SELECT
        • DEL
        • ECHO
        • EXISTS
        • EXPIRE
        • EXPIREAT
        • FLUSHALL
        • FLUSHDB
        • GET
        • GETRANGE
        • GETSET
        • HDEL
        • HEXISTS
        • HGET
        • HGETALL
        • HINCRBY
        • HKEYS
        • HLEN
        • HMGET
        • HMSET
        • HSET
        • HSTRLEN
        • HVALS
        • INCR
        • INCRBY
        • KEYS
        • MONITOR
        • PEXPIRE
        • PEXPIREAT
        • PTTL
        • ROLE
        • SADD
        • SCARD
        • RENAME
        • SET
        • SETEX
        • PSETEX
        • SETRANGE
        • SISMEMBER
        • SMEMBERS
        • SREM
        • STRLEN
        • ZRANGE
        • TSADD
        • TSCARD
        • TSGET
        • TSLASTN
        • TSRANGEBYTIME
        • TSREM
        • TSREVRANGEBYTIME
        • TTL
        • ZADD
        • ZCARD
        • ZRANGEBYSCORE
        • ZREM
        • ZREVRANGE
        • ZSCORE
        • PUBSUB
        • PUBLISH
        • SUBSCRIBE
        • UNSUBSCRIBE
        • PSUBSCRIBE
        • PUNSUBSCRIBE
    • Legal
      • Third party software
Node level issues
> Troubleshoot >

Node level issues

Diagnose and solve issues on an individual YugabyteDB node.
Check processes
Check the status and accessibility of YugabyteDB nodes.
Inspect logs
Diagnose issues by inspecting the YugabyteDB logs.
Get system stats
Get state information and metrics for YugabyteDB processes.
Disk failure
How to recover a YB-TServer from disk failure
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