| ActiveThreadCount |
Number of active threads |
Count |
A monitoring metric for instances, calculated by summing active threads on the primary and standby nodes of all shards |
| BinlogMinDiskAvailable |
Minimum remaining Binlog disk space |
GB |
A monitoring metric for instances, calculated by summing the minimum values of the BinlogDiskAvailableShard metric across all shards |
| BinlogUsedDisk |
Binlog disk space |
GB |
A monitoring metric for instances, calculated by summing the used Binlog disk space on the primary nodes of all shards |
| ConnUsageRate |
Maximum DB connection utilization |
% |
A monitoring metric for instances, calculated as the maximum value of the DB connection utilization on the primary and standby nodes of all shards in the instance |
| CpuUsageRate |
Maximum CPU utilization |
% |
A monitoring metric for instances, calculated as the maximum value of the CPU utilization on the primary nodes of all shards in the instance |
| DataDiskAvailable |
Available data disk space |
GB |
A monitoring metric for instances, calculated by summing the available data disk space on the primary nodes of all shards |
| DataDiskUsedRate |
Maximum data disk space utilization |
% |
A monitoring metric for instances, calculated as the maximum data disk space utilization on the primary nodes of all shards in the instance |
| DeleteTotal |
Number of DELETE requests |
Times/second |
A monitoring metric for instances, calculated by summing the number of DELETE requests on the primary nodes of all shards in the instance |
| IOUsageRate |
Maximum I/O utilization |
% |
A monitoring metric for instances, calculated as the maximum I/O utilization on the primary nodes of all shards in the instance |
| InnodbBufferPoolReads |
Number of InnoDB disk page reads |
Times |
A monitoring metric for instances, calculated by summing the read page counts in the InnoDB disk on all primary and standby nodes of all shards in the instance |
| InnodbBufferPoolReadAhead |
Number of buffer pool page reads ahead in InnoDB |
Times |
A monitoring metric for instances, calculated by summing the number of page reads ahead in the InnoDB buffer pool on all primary and standby nodes of all shards in the instance |
| InnodbBufferPoolReadRequests |
Number of page reads in the InnoDB buffer pool |
Times |
A monitoring metric for instances, calculated by summing the number of page reads in the InnoDB buffer pool on all primary and standby nodes of all shards in the instance |
| InnodbRowsDeleted |
Number of deleted rows in InnoDB |
Rows |
A monitoring metric for instances, calculated by summing the number of deleted rows in InnoDB on the primary nodes of all shards in the instance |
| InnodbRowsInserted |
Number of rows inserted in InnoDB |
Rows |
A monitoring metric for instances, calculated by summing the number of inserted rows in InnoDB on the primary nodes of all shards in the instance |
| InnodbRowsRead |
Number of rows read in InnoDB |
Rows |
A monitoring metric for instances, calculated by summing the number of rows read in InnoDB on all primary and standby nodes of all shards in the instance |
| InnodbRowsUpdated |
Number of rows updated in InnoDB |
Rows |
A monitoring metric for instances, calculated by summing the number of updated rows in InnoDB on the primary nodes of all shards in the instance |
| InsertTotal |
Number of INSERT requests |
Times/second |
A monitoring metric for instances, calculated by summing the number of INSERT requests on the primary nodes of all shards in the instance |
| LongQueryCount |
Number of slow queries |
Times |
A monitoring metric for instances, calculated by summing the number of slow queries on the primary nodes of all shards in the instance |
| MemAvailable |
Available cache space |
GB |
A monitoring metric for instances, calculated by summing the available cache space on the primary nodes of all shards in the instance |
| MemHitRate |
Cache hit rate |
% |
A monitoring metric for instances, calculated as the minimum value of the cache hit rate on the primary nodes of all shards in the instance. |
| ReplaceSelectTotal |
Number of REPLACE_SELECT requests |
Times/second |
A monitoring metric for instances, calculated by summing the number of REPLACE_SELECT requests on the primary nodes of all shards in the instance. |
| ReplaceTotal |
Number of REPLACE requests |
Times/second |
A monitoring metric for instances, calculated by summing the number of REPLACE requests on the primary nodes of all shards in the instance. |
| RequestTotal |
Total number of requests |
Times/second |
A monitoring metric for instances, calculated by summing the number of requests on all primary and standby nodes in the instance. |
| SelectTotal |
Number of SELECT requests |
Times/second |
A monitoring metric for instances, calculated by summing the number of SELECT requests on all primary and standby nodes of all shards in the instance. |
| SlaveDelay |
Secondary latency |
Seconds |
A monitoring metric for instances. The standby delay of an instance is the maximum standby delay of all shards in the instance, with the standby delay of each shard calculated first. The standby delay of a shard is the minimum standby delay of all the standby nodes of the shard. |
| UpdateTotal |
Number of UPDATE requests |
Times/second |
A monitoring metric for instances, calculated by summing the number of UPDATE requests on the primary nodes of all shards in the instance. |
| ThreadsConnected |
Number of open connections |
Times |
A monitoring metric for instances, calculated by summing the number of current open connections on all primary and standby nodes of all shards in the instance. |
| ConnMax |
Maximum number of connections |
Count |
A monitoring metric for instances, calculated by summing the maximum connections on all primary and standby nodes of all shards in the instance. |
| ClientConnTotal |
Total number of client connections |
Count |
A monitoring metric for instances, calculated by summing the number of connections on all proxies in the instance. This metric accurately indicates how many of your clients are connected to the database instance. |
| SQLTotal |
Number of SQL errors |
Count |
A monitoring metric for instances, indicating the number of SQL statements sent to the database instance. |
| ErrorSQLTotal |
Total number of SQL queries |
Count |
A monitoring metric for instances, indicating the number of SQL statements executed with errors. |
| SuccessSQLTotal |
Number of successful SQL queries |
Count |
A monitoring metric for instances, indicating the number of successfully executed SQL statements. |
| TimeRange0 |
Number of requests with execution time less than 5 ms |
Times/second |
A monitoring metric for instances, indicating the number of requests with execution time less than 5ms. |
| TimeRange1 |
Number of requests with execution time between 5 ms and 20 ms |
Times/second |
A monitoring metric for instances, indicating the number of requests with execution time between 5 ms and 20 ms |
| TimeRange2 |
Number of requests with execution time between 20 ms and 30 ms |
Times/second |
A monitoring metric for instances, indicating the number of requests with execution time between 20 ms and 30 ms |
| TimeRange3 |
Number of requests with execution time more than 30 ms |
Times/second |
A monitoring metric for instances, indicating the number of requests with execution time more than 30 ms |
| MasterSwitchedTotal |
Number of primary-secondary switches |
Times |
A monitoring metric for instances, indicating the number of primary-secondary switchovers that occurred for the instance |
