@文心快码mysql: buffer pool utilization is too low 文心快码 作为Comate,一个智能编程助手,我将基于你提供的问题和tips来详细解答关于MySQL Buffer Pool利用率过低的问题。 1. 确认MySQL的Buffer Pool配置情况 首先,我们需要查看当前MySQL的Buffer Pool配置。可以通过以下SQL命令来查询: sql SHOW VARIABLES LIKE '...
Buffer pool utilization is too low The buffer pool utilization is less than {$MYSQL.BUFF_UTIL.MIN.WARN}% in the last 5 minutes. This means that there is a lot of unused RAM allocated for the buffer pool, which you can easily reallocate at the moment. max(/MySQL by Zabbix agent/mysql...
Multi-tenant management: This feature enables a database to serve multiple tenants, maximizing database resource utilization. Binlog pull for read replicas: You can use read replicas as the data source to establish a binlog replication link and synchronize the binlogs in real time, which helps...
Load data in parallel. Avoid too much parallelism that would cause you to hit a resource limit, and monitor resources using the metrics available in the Azure portal. Use thedefer-table-indexesoption in mysqldump when dumping databases, so that index creation happens after tables data is loaded...
设计的目的,就是让高附加值的数据尽可能长时间呆在Buffer Pool中 Rather than using a strict LRU algorithm, InnoDB uses a technique to minimize the amount of data that is brought into the buffer pool and never accessed again. The goal is to make sure that frequently accessed (“hot”) pages ...
此状态可能是由顺序表扫描引起的。 应检查 innodb_buffer_pool_reads 和 innodb_buffer_pool_read_requests 的值,以确定是否有大量页面从磁盘进入内存中。 有关详细信息,请参阅排查 Azure Database for MySQL 灵活服务器中的内存不足问题。 更新 此状态通常意味着线程正在执行写入操作。 检查性能监视器中的 IO ...
System resource utilization (CPU, memory, disk I/O) Throughput metrics (Queries Per Second, Transactions Per Second) Index efficiency and usage Cache performance (InnoDB buffer pool hit rate) Replication lag Wait events and lock contention
BUG #32917: DETECT ORPHAN TEMP-POOL FILES, AND HANDLE GRACEFULLY BUG #63144 CREATE TABLE IF NOT EXISTS METADATA LOCK IS TOO RESTRICTIVE Aurora MySQL database engine updates 2019-01-17 (version 1.17.8) (Deprecated) 1.17.8 BUG #13418638: CREATE TABLE IF NOT EXISTS METADATA LOCK IS TOO...
mysql.node.myisam.keyCacheUtilization Percentage of the key cache that is being used. db.myisam.keyReadRequestsPerSecond mysql.node.myisam.keyReadRequestsPerSecond Number of requests to read a key block from the MyISAM key cache, per second. ...
High CPU usage. A highCPU utilizationmeans the server is processing a heavy workload, which can be caused by poor query optimization or high user activity. High memory usage. If theserver's memory usageis constantly high, it can be the reason for slow query performance. To resolve the issu...