> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-monitoring-metrics-reference.md). # MariaDB Cloud Monitoring Metrics Reference MariaDB Cloud monitoring metrics reference for the Portal: connections, CPU load, SQL command ratios, disk usage, QPS, replica lag, GTID position, and MaxScale-specific panels. | Panel Name | UI Tab | Scope | Panel Type | Description | | -------------------------------- | ----------- | ------- | ---------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Connections | status | service | table | This panel shows the number of used and aborted connections for each ES node along with the max\_connections value | | CPU Load | status | service | graph | This panel shows the CPU usage for each ES node during the selected time interval | | Current SQL Commands | status | service | pie-chart | This panel shows the ratio between the types of SQL statements executed by the service during the selected time interval | | Disk Size of Data | status | service | table | "This panel shows the amount of storage space used (as the usage percentage | | QPS | status | service | graph | This panel shows the queries per second (QPS) executed by the ES node during the selected time interval | | Replicas lags | status | service | table | This panel shows average values for certain replication-related metadata to help determine if the replica ES nodes are currently lagging behind the primary ES node | | Replicas status | status | service | table | This panel shows summarized values for certain replication-related metadata to help determine if any replica ES nodes encountered replication issues during the selected time interval | | GTID Replication Position | lags | service | graph | This panel shows the Global Transaction ID (GTID) for each ES node during the selected time interval | | Seconds Behind Primary | lags | service | graph | This panel shows the lag in seconds behind the primary in terms of the time of the transaction being replicated. | | Exec Primary Log Position | lags | service | graph | This panel shows the position up to which the primary has processed in the current primary binary log file. | | Read Primary Log Position | lags | service | graph | This panel shows the position up to which the I/O thread has read in the current primary binary log file. | | MariaDB Client Thread Activity | queries | service | graph | This panel shows the number of client threads running on all ES nodes during the selected time interval | | MariaDB QPS | queries | service | graph | This panel shows the number of queries per second (QPS) executed by all ES nodes during the selected time interval | | MariaDB Slow Queries | queries | service | graph | This panel shows the number of slow queries executed by all ES nodes during the selected time interval | | MariaDB Slow Queries | queries | service | graph | This panel shows the number of slow queries executed by all ES nodes during the selected time interval | | Top Command Counters | queries | service | graph | This panel shows the top 30 statement types that were most frequently executed by all ES nodes during the selected time interval | | Top Command Counters Hourly | queries | service | graph | This panel shows the top 30 statement types that were most frequently executed by all ES nodes in 1 hour intervals over the past 24 hours | | MariaDB Aborted Connections | database | service | graph | This panel shows the number of connections aborted by the ES node during the selected time interval | | MariaDB Open Tables | database | service | graph | This panel shows the number of tables opened by the database servers on all ES nodes during the selected time interval | | MariaDB Service Connections | database | service | graph | This panel shows the number of clients connected to the ES node during the selected time interval | | MariaDB Table Locks | database | service | graph | This panel shows the number of table locks requested by all ES nodes during the selected time interval | | MariaDB Table Opened | database | service | graph | This panel shows the number of tables that have been opened by all ES nodes during the selected time interval | | MaxScale Server Connections | database | service | graph | This panel shows the number of client connections open between the MaxScale node and each ES node during the selected time interval | | MaxScale Service Connections | database | service | graph | This panel shows the number of clients connected to all MaxScale nodes during the selected time interval | | CPU Load | system | service | graph | This panel shows the CPU usage for each ES node during the selected time interval | | Disk Size of Data | system | service | graph | This panel shows the amount of storage space used by all ES nodes during the selected time interval | | I/OActivity - Page In | system | service | graph | This panel shows the total number of bytes read from the ES node's file system during the selected time interval | | I/O Activity - Page Out | system | service | graph | This panel shows the total number of bytes written to the ES node's file system during the selected time interval | | IOPS - Page In | system | service | graph | This panel shows the total number of reads performed from the ES node's file system during the selected time interval | | IOPS - Page Out | system | service | graph | This panel shows the total number of writes performed from the ES node's file system during the selected time interval | | MariaDB Network Traffic | system | service | graph | This panel shows the amount of data sent and received over the network by the database servers on all ES nodes during the selected time interval | | MariaDB Network Usage Hourly | system | service | graph | This panel shows the amount of data sent and received over the network per hour by the database servers on all ES nodes over the past 24 hours | | Memory Usage | system | service | graph | This panel shows memory usage details for all ES nodes during the selected time interval | | Network Errors | system | service | graph | This panel shows the number of network errors encountered by all ES nodes during the selected time interval | | Network Packets Dropped | system | service | graph | This panel shows the number of network packets dropped by all ES nodes during the selected time interval | | Network Traffic - Inbound | system | service | graph | This panel shows the amount of data received over the network by the operating systems on all ES nodes during the selected time interval | | Network Traffic - Outbound | system | service | graph | This panel shows the amount of data sent over the network by the operating systems on all ES nodes during the selected time interval | | Aborted Connections | status | server | singlestat | This panel shows the number of aborted connections for the ES node during the selected time interval | | Buffer Pool Size of Total RAM | status | server | pie-chart | This panel shows the current size of the InnoDB buffer pool for the ES node in two units: the absolute size and the percentage of the server's usable memory | | Connections | status | server | stat | This panel shows the number of clients connected to the MaxScale node | | CPU Load | status | server | gauge | This panel shows the current CPU usage for the ES node | | CPU Usage / Load | status | server | graph | This panel shows the CPU usage for the ES node during the selected time interval | | QPS/ | status | server | singlestat | This panel shows the number of queries per second (QPS) processed by the ES node during the selected time interval | | Current SQL Commands | status | server | pie-chart | This panel shows the ratio between the types of SQL statements executed by the ES node during the selected time interval | | I/O Activity | status | server | graph | This panel shows the total number of bytes written to or read from the ES node's file system during the selected time interval | | InnoDB Data/sec | status | server | graph | This panel shows the number of bytes per second read and written by InnoDB during the selected time interval | | Max Connections | status | server | graph | This panel shows the highest number of clients that were concurrently connected to the MaxScale node during the selected time interval | | Max Connections | status | server | stat | This panel shows the highest number of clients that have ever been concurrently connected to the MaxScale node | | Max Time in Queue | status | server | graph | This panel shows the longest time the MaxScale node waited for an I/O event during the selected time interval | | Network Traffic | status | server | graph | This panel shows the amount of data sent and received over the network by the operating system on the ES node during the selected time interval | | Memory Usage | status | server | gauge | This panel shows the current memory usage details for the ES node | | Resident (RSS) memory | status | server | gauge | This panel shows the current resident set size (RSS) of the MaxScale process | | RO Service Connections | status | server | singlestat | This panel shows the number of clients currently connected to the MaxScale node's read-only listener | | Rows / sec | status | server | graph | This panel shows the total number of rows written and read per second by the ES node during the selected time interval | | RW Service Connections | status | server | singlestat | This panel shows the number of clients currently connected to the MaxScale node's read-write listener | | RW / sec | status | server | graph | This panel shows the number of read and write operations per second that were handled by the threads on the MaxScale node during the selected time interval | | Database Server Connections | status | server | graph | This panel shows the number of client connections open between the MaxScale node and each ES node during the selected time interval | | MaxScale Connections | status | server | graph | This panel shows the number of clients connected to the MaxScale node's listeners during the selected time interval | | Stack size | status | server | gauge | This panel shows the current stack size of the MaxScale node | | Threads | status | server | singlestat | This panel shows the number of threads currently used by the MaxScale node | | RW/sec | status | server | graph | This panel shows the total number of queries that were actively being executed by the MaxScale node during the selected time interval | | MaxScale Connections | status | server | graph | This panel shows the total number of connections created by the MaxScale node since the MaxScale node was started | | Used Connections | status | server | pie-chart | This panel shows the current number of client connections as a percentage of the ES node's max\_connections value | | MariaDB Aborted Connections | database | server | graph | This panel shows the number of connections aborted by the ES node during the selected time interval | | MariaDB Client Thread Activity | database | server | graph | This panel shows the number of client threads connected and running on the ES node during the selected time interval | | MariaDB Connections | database | server | graph | This panel shows the number of client connections to the ES node during the selected time interval | | MariaDB Open Files | database | server | graph | This panel shows the number of files opened by the database server on the ES node during the selected time interval | | MariaDB Open Tables | database | server | graph | This panel shows the number of tables opened by the database server on the ES node during the selected time interval | | MariaDB Opened Files / sec | database | server | graph | This panel shows the number of files opened per second by the database server on the ES node during the selected time interval | | MariaDB Table Locks | database | server | graph | This panel shows the number of table locks requested by the ES node during the selected time interval | | Temporary Objects Created | database | server | graph | This panel shows the number of temporary tables created by the ES node during the selected time interval | | MariaDB Table Definition Cache | caches | server | graph | This panel shows how many table definitions were cached by the ES node during the selected time interval | | MariaDB Table Open Cache Status | caches | server | graph | This panel shows the activity of the table open cache on the ES node during the selected time interval | | MariaDB Thread Cache | caches | server | graph | This panel shows the number of threads created and cached for reuse on the ES node during the selected time interval | | MariaDB Handlers / sec | queries | server | graph | This panel shows how many internal query handlers per second have been created by the ES node during the selected time interval | | MariaDB QPS and Questions | queries | server | graph | This panel shows the number of queries and questions per second executed by the ES node during the selected time interval | | MariaDB Slow Queries | queries | server | graph | This panel shows the number of slow queries executed by the ES node during the selected time interval | | MariaDB Sorts | queries | server | graph | This panel shows the number of times the ES node has used certain algorithms to sort data during the selected time interval | | MariaDB Handlers / sec | queries | server | graph | This panel shows the number of transaction-related handlers created by the ES node during the selected time interval | | Top Command Counters | queries | server | graph | This panel shows the top 30 statement types that were most frequently executed by the ES node during the selected time interval | | Top Command Counters Hourly | queries | server | graph | This panel shows the top 30 statement types that were most frequently executed by the ES node in 1 hour intervals over the past 24 hours | | CPU Usage / Load | system | server | graph | This panel shows the CPU usage for the ES node during the selected time interval | | Disk Size of Data | system | server | graph | This panel shows the amount of storage space used by the ES node during the selected time interval | | Disk Size of Logs | system | server | graph | This panel shows the amount of storage space used by the server error logs during the selected time interval | | I/O Activity | system | server | graph | This panel shows the total number of bytes written to or read from the ES node's file system during the selected time interval | | InnoDB Data / sec | system | server | graph | This panel shows the number of bytes per second read and written by InnoDB during the selected time interval | | IOPS | system | server | graph | This panel shows the number of input/output operations per second performed by the ES node during the selected time interval | | MariaDB Memory Overview | system | server | graph | "This panel shows how much memory the ES node used for the InnoDB buffer pool | | MariaDB Network Traffic | system | server | graph | This panel shows the amount of data sent and received over the network by the database server on the ES node during the selected time interval | | MariaDB Network Usage Hourly | system | server | graph | This panel shows the amount of data sent and received over the network per hour by the database server on the ES node over the past 24 hours | | Memory Distribution | system | server | graph | This panel shows memory usage details for the ES node during the selected time interval | | Network Errors | system | server | graph | This panel shows the number of network errors encountered by the ES node during the selected time interval | | Network Packets Dropped | system | server | graph | This panel shows the number of network packets dropped by the ES node during the selected time interval | | Network Traffic | system | server | graph | This panel shows the amount of data sent and received over the network by the operating system on the ES node during the selected time interval | | Errors | performance | server | graph | This panel shows the number of errors encountered by threads on the MaxScale node during the selected time interval | | MaxScale Descriptors | performance | server | graph | This panel shows the number of descriptors used by the MaxScale node during the selected time interval | | MaxScale Hangups | performance | server | graph | This panel shows the number of client connections closed by the MaxScale node during the selected time interval | | Memory Usage | performance | server | graph | This panel shows memory usage details for the MaxScale node during the selected time interval | | MaxScale Modules | modules | server | table | This panel lists the modules installed on the MaxScale node | | Flow Control Pause % | galera | service | graph | This panel shows the proportion of time replication was paused by flow control for each node of an Enterprise Cluster service during the selected time interval | | Flow Control Messages Sent | galera | service | graph | This panel shows the rate at which each node of an Enterprise Cluster service sent flow-control messages during the selected time interval | | Replication Queue Depth Received | galera | service | graph | This panel shows the depth of the local receive queue for each node of an Enterprise Cluster service during the selected time interval | | Write Conflicts | galera | service | graph | This panel shows the rate of certification failures and brute-force aborts for each node of an Enterprise Cluster service during the selected time interval | | Max Galera Replication Latency | galera | service | graph | This panel shows the highest observed write-set replication latency in seconds for each node of an Enterprise Cluster service during the selected time interval | | Transactions | galera | service | graph | This panel shows the rate of write-sets received and replicated by each node of an Enterprise Cluster service during the selected time interval | | Writeset Traffic | galera | service | graph | This panel shows the volume of write-set data received and replicated by each node of an Enterprise Cluster service during the selected time interval | | Galera Nodes | galera | service | table | This panel lists each node (instance) of an Enterprise Cluster service with its status, whether it accepts queries, its local state, flow control state, cluster status, and connection state | *This page is: Copyright © 2026 MariaDB. 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