Peak Threads Running SHOW GLOBAL STATUS LIKE '%threads_running%'; 1. Threads_running The number of threads that are not sleeping. 1. 2. 3. grafana统计规则: max_over_time(mysql_global_status_threads_running{instance="$host"}[$interval]) or max_over_time(mysql_global_status_threads_running...
### 4.MySQL Client Thread Activity客户端活动线程数 Peak Threads Connected:当前连接数 Avg Threads Running:平均并发数 Peak Threads Running:当前并发数 ### 5.MySQL Questions服务器执行的语句数 与QPS 计算中使用的查询不同,只包括客户端发送到服务器的语句,而不包括存储程序中执行的语句。 Questions:查询Que...
Timing error caused by gettimeofday in multiple threads was fixed. 2020-09-21 The kernel version was upgraded to 5.7.31. SQL filter was used to restrict the execution frequency of SQL statements during peak hours. 2020-08-03 Kernel performance was optimized. The recycle bin was supported. Issu...
PFS_index_setup_threads() : PFS_index_setup_threads PFS_index_socket_instances() : PFS_index_socket_instances PFS_index_socket_instances_by_instance() : PFS_index_socket_instances_by_instance PFS_index_socket_instances_by_ip_port() : PFS_index_socket_instances_by_ip_port PFS_index_socket_...
MySQL Server code andvarious small static buffers. This is memory which you can consider used whenyou just start MySQL Server. The rest of memory is available for connections.For exampe with 8GB server you might have everything listed adding up to 6GB,so you have 2GB left for your threads...
.Monitor network trafficto ensure the infrastructure is sufficient to handle the workload. Overloading your network can lead to high latency, dropped packets, and server outages. Ensure there is enough networkbandwidthto accommodate normal database traffic levels and potential spikes during peak hours...
For example, the InnoDB buffer pool caches frequently accessed data and indexes to improve query execution speed, while the thread cache manages client connection threads. Learn more. InnoDB Storage Engine As MySQL's default storage engine, InnoDB uses memory for caching frequently accessed data and...
MySQL reaches maximum efficiency for 128 user threads, with its max TPS (1.8 million) and low latency (70 microseconds).Thus, at its peak, the user thread per core ratio is 128/48 = 2.7, and from then on the efficiency goes down. Adding more user threads will cause latency to grow an...
/bin/bash # Define the list of threads count, and it depends on the core number in your machine thread_list=(20 40 60 80 ... $yourCoreNum) # Define the test running times in order to calculate average to make the result more precise num_runs=10 # Traverse the list of thread ...
Running_thread_threshold and times_per_hour control whether collect peak time information or not. Running_thread_threshold is a trigger for status Threads_running. Times_per_hour control the times of collection in lasted a hour. If you want to collect peak time infomation ,They have to : runn...