Introducing GaussDB(for MySQL) Metrics

Function

You can monitor the status of your instances. The namespaces, descriptions, and dimensions of monitoring metrics of instances can be reported to Cloud Eye.

Namespace

SYS.GAUSSDB

Monitoring Metrics Supported by Instances

**Table 1** Monitoring metrics supported by GaussDB(for MySQL) instances
Metric ID	Metric	Metric Description	Value Range	Monitored Object	Monitoring Interval (Raw Data)
gaussdb_mysql001_cpu_util	CPU Usage	CPU usage of the monitored object	0–100%	GaussDB(for MySQL) instances	1 minute 5 seconds 1 second
gaussdb_mysql002_mem_util	Memory Usage	Memory usage of the monitored object	0–100%	GaussDB(for MySQL) instances	1 minute 5 seconds 1 second
gaussdb_mysql004_bytes_in	Network Input Throughput	Incoming traffic in bytes per second	≥0 bytes/s	GaussDB(for MySQL) instances	1 minute 5 seconds 1 second
gaussdb_mysql005_bytes_out	Network Output Throughput	Outgoing traffic in bytes per second	≥0 bytes/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql006_conn_count	Total Connections	Total number of connections that attempt to connect to the GaussDB(for MySQL) server	≥0 counts	GaussDB(for MySQL) instances	1 minute 5 seconds 1 second
gaussdb_mysql007_conn_active_count	Current Active Connections	Number of active connections	≥0 counts	GaussDB(for MySQL) instances	1 minute 5 seconds 1 second
gaussdb_mysql008_qps	QPS	Query times of SQL statements (including DDL, DML, SHOW, SET statements and storage procedures) per second	≥0 times/s	GaussDB(for MySQL) instances	1 minute 5 seconds 1 second
gaussdb_mysql009_tps	TPS	Execution times of submitted and rollback transactions per second	≥0 times/s	GaussDB(for MySQL) instances	1 minute 5 seconds 1 second
gaussdb_mysql010_innodb_buf_usage	Buffer Pool Usage	Ratio of used pages to total pages in the InnoDB buffer	0-1	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql011_innodb_buf_hit	Buffer Pool Hit Ratio	Ratio of read hits to read requests in the InnoDB buffer	0-1	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql012_innodb_buf_dirty	Buffer Pool Dirty Block Ratio	Ratio of dirty data to all data in the InnoDB buffer	0–100%	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql013_innodb_reads	InnoDB Read Throughput	Number of read bytes per second in the InnoDB buffer	≥0 bytes/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql014_innodb_writes	InnoDB Write Throughput	Bytes written to pages by InnoDB per second. GaussDB(for MySQL) writes data only to temporary tables	≥0 bytes/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql017_innodb_log_write_req_count	InnoDB Log Write Request Frequency	Number of InnoDB log write requests per second	≥0 counts	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql019_innodb_log_writes	InnoDB Log Writes	Number of physical writes to the InnoDB redo log file	≥0 counts	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql020_temp_tbl_count	Temporary Tables	Number of temporary tables automatically created on disks when GaussDB(for MySQL) statements are executed	≥0 counts	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql028_comdml_del_count	DELETE Statements per Second	Number of DELETE statements executed per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute 5 seconds 1 second
gaussdb_mysql029_comdml_ins_count	INSERT Statements per Second	Number of INSERT statements executed per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute 5 seconds 1 second
gaussdb_mysql030_comdml_ins_sel_count	INSERT_SELECT Statements per Second	Number of INSERT_SELECT statements executed per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql031_comdml_rep_count	REPLACE Statements per Second	Number of REPLACE statements executed per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql032_comdml_rep_sel_count	REPLACE_SELECTION Statements per Second	Number of REPLACE_SELECTION statements executed per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql033_comdml_sel_count	SELECT Statements per Second	Number of SELECT statements executed per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute 5 seconds 1 second
gaussdb_mysql034_comdml_upd_count	UPDATE Statements per Second	Number of UPDATE statements executed per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute 5 seconds 1 second
gaussdb_mysql035_innodb_del_row_count	Row Delete Frequency	Number of rows deleted from the InnoDB table per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql036_innodb_ins_row_count	Row Insert Frequency	Number of rows inserted into the InnoDB table per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql037_innodb_read_row_count	Row Read Frequency	Number of rows read from the InnoDB table per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql038_innodb_upd_row_count	Row Update Frequency	Number of rows updated into the InnoDB table per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql048_disk_used_size	Used Storage Space	Used storage space of the monitored object	0 GB-128 TB	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql072_conn_usage	Connection Usage	Percent of used GaussDB(for MySQL) connections to the total number of connections	0–100%	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql074_slow_queries	Slow Query Logs	Number of GaussDB(for MySQL) slow query logs generated per minute	≥0 counts/min	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql077_replication_delay	Replication Delay	Delay between the primary node and read replicas	≥ 0s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql104_dfv_write_delay	Storage Write Delay	Average delay of writing data to the storage layer in a specified period	≥0 ms	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql105_dfv_read_delay	Storage Read Delay	Average delay of reading data from the storage layer in a specified period	≥0 ms	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql106_innodb_row_lock_current_waits	InnoDB Row Locks	Number of row locks being waited by operations on the InnoDB table	≥0 locks/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql107_comdml_ins_and_ins_sel_count	INSERT and INSERT_SELECT Statements per Second	Number of INSERT and INSERT_SELECT statements executed per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql108_com_commit_count	COMMIT Statements per Second	Number of COMMIT statements executed per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql109_com_rollback_count	ROLLBACK Statements per Second	Number of ROLLBACK statements executed per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql110_innodb_bufpool_reads	InnoDB Storage Layer Read Requests per Second	Number of times that InnoDB reads data from the storage layer per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql111_innodb_bufpool_read_requests	InnoDB Read Requests per Second	Number of InnoDB read requests per second	≥0 counts/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql114_innodb_bufpool_read_ahead	InnoDB Bufpool Read Ahead	Number of pages read into the InnoDB buffer pool by the read-ahead background thread	≥0 counts	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql115_innodb_bufpool_read_ahead_evicted	InnoDB Bufpool Read Ahead Evicted	Number of pages read into the InnoDB buffer pool by the read-ahead background thread that were subsequently evicted without having been accessed by queries	≥0 counts	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql116_innodb_bufpool_read_ahead_rnd	InnoDB Bufpool Read Ahead Rnd	Number of random read-aheads initiated by InnoDB	≥0 counts	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql117_innodb_pages_read	InnoDB Pages Read	Number of pages read from the InnoDB buffer pool by operations on InnoDB tables	≥0 counts	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql118_innodb_pages_written	InnoDB Pages Written	Number of pages written by operations on InnoDB tables	≥0 counts	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql119_disk_used_ratio	Disk Usage	Disk usage of the monitored object	0–100%	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql120_innodb_buffer_pool_bytes_data	Total Bytes of Buffer Pool	Total number of bytes in the InnoDB buffer pool containing data	≥0 bytes	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql121_innodb_row_lock_time	Row Lock Time	Total time spent in acquiring row locks for InnoDB tables	≥0 ms	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql122_innodb_row_lock_waits	Row Lock Waits	Number of times operations on InnoDB tables had to wait for a row lock	≥0 counts/min	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql123_sort_range	Sorts Using Ranges	Number of sorts that were done using ranges	≥0 counts/min	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql124_sort_rows	Sorted Rows	Number of sorted rows	≥0 counts/min	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql125_sort_scan	Sorts by Scanning Tables	Number of sorts that were done by scanning tables.	≥0 counts/min	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql126_table_open_cache_hits	Hits for Open Tables Cache Lookups	Number of hits for open tables cache lookups	≥0 counts/min	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql127_table_open_cache_misses	Misses for Open Tables Cache Lookups	Number of misses for open tables cache lookups	≥0 counts/min	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql128_long_trx_count	Long-Running Transactions	Number of long transactions that are not closed	≥0 counts	GaussDB(for MySQL) instances	150s
gaussdb_mysql342_iostat_iops_write	I/O Write IOPS	I/O write IOPS	≥0 counts/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql344_iostat_iops_read	I/O Read IOPS	I/O read IOPS	≥0 counts/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql346_iostat_throughput_write	I/O Write Bandwidth	Disk write bandwidth per second	≥0 bytes/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql348_iostat_throughput_read	I/O Read Bandwidth	Disk read bandwidth per second	≥0 bytes/s	GaussDB(for MySQL) instances	1 minute
gaussdb_mysql371_taurus_binlog_total_file_counts	Binlog Files	Number of GaussDB(for MySQL) binlog files	≥0	GaussDB(for MySQL) instances	5 minutes
gaussdb_mysql378_create_temp_tbl_per_min	Temporary Tables Created per Minute	Number of temporary tables automatically created on disks per minute when GaussDB(for MySQL) statements are executed	≥0 counts/min	GaussDB(for MySQL) instances	1 minute