Access Have Limited Level of Details Allows extensive filtering by Object, User Account etc Has information about Connection Events Available in MySQL Enterprise, Percona Server, MariaDB © 2018 Percona log_slow_rate_limit=1 log_slow_rate_type=query log_slow_verbosity=full log_slow_admin_statements=ON log_slow_slave_statements=ON slow_query_log_always_write_time=1 slow_query_log_use_global_control=all © 2018 Percona @unix(/var/run/mysqld/mysqld.sock) User = username Pass = userpass © 2018 Percona. 28 What Information is Available ? © 2018 Percona. 29 Queries Causing the Most Load © 2018 Percona. 30 Working

存储服务器（ NAS NAS 、 、 SAN SAN ） ）  设计合理架构，如果 设计合理架构，如果 MySQL MySQL 访问频繁，考虑 访问频繁，考虑 Master/Slave Master/Slave 读写分离；数据库分表、数据库切片（分 读写分离；数据库分表、数据库切片（分 布式），也考虑使用相应缓存服务帮助 布式），也考虑使用相应缓存服务帮助 MySQL MySQL 缓解访问

implementation-dependent information about the C++ Standard Library you are using  Example:  Version number  Release date  Copyright notice  Additional implementation-defined information  Includes the  egamma  phi  In std::numbers78 std::source_location   Represents information about a specific location in a source code  line, column, file_name, function_name  Construct

objects defined in loops • Statements like debugger, eval, with. • How to access Native Engine information • Object class modifications. Threading • In NativeScript by default everything runs on the Natives • Docs: https://github.com/NathanaelA/v8-Natives • Gives you access to low level engine information. Things like: getHeapUsage(), deoptimizeNow, optimizeFunctionOnNextCall, getOptimizationStatus

draw and clear features on the map • The JSON of the feature layer includes all the necessary information for the time slider - Start and end dates, time interval, etc. - Feature layer URLArcGIS Runtime

communication between threads (incl. pthread, co-routines). • Channel allows a unidirectional flow of information between two end-points: the Sender and the Receiver. • Channel Type: SPSC, SPMC, MPMC, MPSC