| proxysql.active_transactions (gauge)
 | The number of client connections currently processing a transaction. Shown as transaction
 | 
| proxysql.all_backends.count (gauge)
 | The number of all MySQL servers, including whether they are online or not. Shown as node
 | 
| proxysql.backend.query_time_pct (gauge)
 | Time spent (as a percentage of total time) making network calls to communicate with the backends. Shown as percent
 | 
| proxysql.backends.count (gauge)
 | Number of mysql servers connected. Shown as node
 | 
| proxysql.client.connections_aborted (gauge)
 | Client failed or improperly closed connections per second. Shown as connection
 | 
| proxysql.client.connections_connected (gauge)
 | Client connections that are currently connected. Shown as connection
 | 
| proxysql.client.connections_created (gauge)
 | The number of client connections created per second. Shown as connection
 | 
| proxysql.client.connections_non_idle (gauge)
 | The number of client connections that are currently handled by the main worker threads. Shown as connection
 | 
| proxysql.client.statements.active_total (gauge)
 | The number of prepared statements that are in use by clients. Shown as unit
 | 
| proxysql.client.statements.active_unique (gauge)
 | The number of unique prepared statements currently in use by clients. Shown as unit
 | 
| proxysql.frontend.user_connections (gauge)
 | Current number of frontend connections by user. Shown as connection
 | 
| proxysql.frontend.user_max_connections (gauge)
 | Max number of frontend connections the user can create (as defined in mysql_users.max_connections). Shown as connection
 | 
| proxysql.memory.auth_memory (gauge)
 | Memory used by the authentication module to store user credentials and attributes. Shown as byte
 | 
| proxysql.memory.jemalloc_active (gauge)
 | Bytes in pages allocated by the application. Shown as byte
 | 
| proxysql.memory.jemalloc_allocated (gauge)
 | Bytes allocated by the application. Shown as byte
 | 
| proxysql.memory.jemalloc_mapped (gauge)
 | Bytes in extents mapped by the allocator. Shown as byte
 | 
| proxysql.memory.jemalloc_metadata (gauge)
 | Bytes dedicated to metadata. Shown as byte
 | 
| proxysql.memory.jemalloc_resident (gauge)
 | Bytes in physically resident data pages mapped by the allocator. Shown as byte
 | 
| proxysql.memory.jemalloc_retained (gauge)
 | Bytes allocated by the application. Shown as byte
 | 
| proxysql.memory.query_digest_memory (gauge)
 | Memory used to store data related to stats_mysql_query_digest. Shown as byte
 | 
| proxysql.memory.sqlite3_memory_bytes (gauge)
 | Memory used by the embedded SQLite. Shown as byte
 | 
| proxysql.memory.stack_memory_admin_threads (gauge)
 | Memory used by the stack of the admin threads. Shown as byte
 | 
| proxysql.memory.stack_memory_cluster_threads (gauge)
 | Memory used by the stack of the cluster threads. Shown as byte
 | 
| proxysql.memory.stack_memory_mysql_threads (gauge)
 | Memory used by the stack of the MySQL threads. Shown as byte
 | 
| proxysql.mysql.backend_buffers_bytes (gauge)
 | Memory use of buffers related to backend connections. Shown as byte
 | 
| proxysql.mysql.frontend_buffers_bytes (gauge)
 | Memory use of buffers related to frontend connections (read/write buffers and other queues). Shown as byte
 | 
| proxysql.mysql.monitor_workers (gauge)
 | The number of monitor threads. Shown as worker
 | 
| proxysql.mysql.session_internal_bytes (gauge)
 | Other memory used by ProxySQL to handle MySQL Sessions. Shown as byte
 | 
| proxysql.mysql.thread_workers (gauge)
 | The number of MySQL Thread workers i.e. ‘mysql-threads’. Shown as worker
 | 
| proxysql.performance.command.cnt_100ms (count)
 | The number of commands of a type which executed within 100 milliseconds., but more than 50 milliseconds Shown as command
 | 
| proxysql.performance.command.cnt_100us (count)
 | The number of commands of a type which executed within 100 microseconds. Shown as command
 | 
| proxysql.performance.command.cnt_10ms (count)
 | The number of commands of a type which executed within 10 milliseconds., but more than 5 milliseconds Shown as command
 | 
| proxysql.performance.command.cnt_10s (count)
 | The number of commands of a type which executed within 10 seconds., but more than 5 seconds Shown as command
 | 
| proxysql.performance.command.cnt_1ms (count)
 | The number of commands of a type which executed within 1 milliseconds., but more than 500 microseconds Shown as command
 | 
| proxysql.performance.command.cnt_1s (count)
 | The number of commands of a type which executed within 1 second., but more than 500 milliseconds Shown as command
 | 
| proxysql.performance.command.cnt_500ms (count)
 | The number of commands of a type which executed within 500 milliseconds., but more than 100 milliseconds Shown as command
 | 
| proxysql.performance.command.cnt_500us (count)
 | The number of commands of a type which executed within 500 microseconds., but more than 100 microseconds Shown as command
 | 
| proxysql.performance.command.cnt_50ms (count)
 | The number of commands of a type which executed within 50 milliseconds., but more than 10 milliseconds Shown as command
 | 
| proxysql.performance.command.cnt_5ms (count)
 | The number of commands of a type which executed within 5 milliseconds., but more than 1 milliseconds Shown as command
 | 
| proxysql.performance.command.cnt_5s (count)
 | The number of commands of a type which executed within 5 seconds., but more than 1 second Shown as command
 | 
| proxysql.performance.command.cnt_infs (count)
 | The number of commands whose execution exceeded 10 seconds. Shown as command
 | 
| proxysql.performance.command.total_count (count)
 | The number of commands of a type executed. Shown as command
 | 
| proxysql.performance.command.total_time_pct (gauge)
 | Total time spent executing commands of a type as a percentage of total time. Shown as percent
 | 
| proxysql.pool.bytes_data_recv (gauge)
 | The amount of data received from the backend. Shown as byte
 | 
| proxysql.pool.bytes_data_sent (gauge)
 | The amount of data sent to the backend. Shown as byte
 | 
| proxysql.pool.conn_failure (gauge)
 | The number of requests per second where a connection was not available in the connection pool and either: a new connection had to be created or no backend was available. Shown as connection
 | 
| proxysql.pool.conn_immediate (gauge)
 | The number of connections per second that a MySQL Thread obtained from its own local connection pool cache. Shown as connection
 | 
| proxysql.pool.conn_success (gauge)
 | The number of requests per second where a connection was already available in the connection pool. Shown as connection
 | 
| proxysql.pool.connections_error (gauge)
 | How many connections aren’t established successfully. Shown as connection
 | 
| proxysql.pool.connections_free (gauge)
 | How many connections are currently free. They are kept open in order to minimize the time cost of sending a query to the backend server. Shown as connection
 | 
| proxysql.pool.connections_ok (gauge)
 | How many connections are established successfully. Shown as connection
 | 
| proxysql.pool.connections_used (gauge)
 | How many connections are currently used by ProxySQL for sending queries to the backend server. Shown as connection
 | 
| proxysql.pool.latency_ms (gauge)
 | The current ping time as reported from Monitor. Shown as millisecond
 | 
| proxysql.pool.latency_us (gauge)
 | The current ping time as reported from Monitor. Shown as microsecond
 | 
| proxysql.pool.memory_bytes (gauge)
 | Memory used by the connection pool to store connections metadata. Shown as byte
 | 
| proxysql.pool.queries (gauge)
 | The number of queries routed towards this particular backend server. Shown as query
 | 
| proxysql.query_cache.bytes_in (gauge)
 | The number of bytes per second sent into the Query Cache. Shown as byte
 | 
| proxysql.query_cache.bytes_out (gauge)
 | The number of bytes per second read from the Query Cache. Shown as byte
 | 
| proxysql.query_cache.entries (gauge)
 | The number of entries currently stored in the query cache. Shown as entry
 | 
| proxysql.query_cache.get.count (gauge)
 | The number of read requests per second to the Query Cache. Shown as query
 | 
| proxysql.query_cache.get_ok.count (gauge)
 | The number of successful read requests per second to the Query Cache. Shown as query
 | 
| proxysql.query_cache.memory_bytes (gauge)
 | Memory usage of the query cache. Shown as byte
 | 
| proxysql.query_cache.purged (gauge)
 | The number of entries purged per second by the Query Cache due to TTL expiration. Shown as entry
 | 
| proxysql.query_cache.set.count (gauge)
 | The number of write requests per second to the Query Cache. Shown as query
 | 
| proxysql.query_processor_time_pct (gauge)
 | The time (as a percentage of total time) spent inside the query processor determining the action to take with the query (internal module). Shown as percent
 | 
| proxysql.query_rules.rule_hits (gauge)
 | The number of times query rules matched traffic. Shown as hit
 | 
| proxysql.questions (gauge)
 | The number of client requests / statements executed per second. Shown as question
 | 
| proxysql.server.connections_aborted (gauge)
 | Backend failed or improperly closed connections per second. Shown as connection
 | 
| proxysql.server.connections_connected (gauge)
 | Backend connections that are currently connected. Shown as connection
 | 
| proxysql.server.connections_created (gauge)
 | The number of backend connections created per second. Shown as connection
 | 
| proxysql.server.statements.active_total (gauge)
 | The number of prepared statements currently available across all backend connections. Shown as unit
 | 
| proxysql.server.statements.active_unique (gauge)
 | The number of unique prepared statements currently available across all backend connections. Shown as unit
 | 
| proxysql.slow_queries (gauge)
 | The number of queries per second with an execution time greater than ‘mysql-long_query_time’ milliseconds. Shown as query
 | 
| proxysql.statements.cached (gauge)
 | The number of global prepared statements for which proxysql has metadata. Shown as unit
 | 
| proxysql.uptime (gauge)
 | The total uptime of ProxySQL in seconds. Shown as second
 |