Shared Pool主要由两部分组成,一部分是库缓存(Library Cahce),另一部分是数据字典缓存(Data Dictionary Cache)。Library Cache主要用于存储SQL语句、SQL语句相关的解析树、执行计划、PL/SQL程序块(包括匿名程序块、存储过程、包、函数等)以及它们转换后能够被Oracle执行的代码等,这部分信息
存储过程、包、函数等)以及它们转换后能够被Oracle执行的代码等,这部分信息可以通过v$librarycache视图查询;至于DataDictionary Cache主要用于存放数据字典信息,包括表、视图等对象的结构信息,用户以及对象权限信息,这部分信息相对稳定,在Shared Pool中通过字典缓存单独存放,字典缓存的内容是按行(Row)存储的(其他数据...
除了必须的shared pool latch等竞争外,还不可避免的会导致shared pool中产生更多的内存碎片 (当然,在内存回收时,你可能看到chunk数量减少的情况) 我们看以下测试: 首先重新启动数据库:SQL> startup force; ORACLE instance started. Total System Global Area 47256168 bytes Fixed Size 451176 bytes Variable Size 29...
Sharedserver architecture requires Oracle Net Services. User processes targeting theshared server must connect through Oracle Net Services,even if they are on thesame machine as the Oracle Database instance.二. 说明2.1 Dedicated server 说明对于专用服务器配置,在登录时,Oracle 总会创建一个新的进程,这个...
Sharedserver architecture requires Oracle Net Services. User processes targeting theshared server must connect through Oracle Net Services, even if they are on thesame machine as the Oracle Database instance. 二. 说明 2.1 Dedicated server 说明 ...
SharedserverarchitecturerequiresOracleNetServices.UserprocessestargetingthesharedservermustconnectthroughOracleNetServices,eveniftheyareonthesamemachineastheOracleDatabaseinstance. 二.说明2.1Dedicatedserver说明 对于专用服务器配置，在登录时，Oracle总会创建一个新的进程，这个服务器进程会在会话生存期中专门这个连接...
In case you want to install it explicitly (to implement your own client library, for example), you can find the NuGet package here. Key concepts The main shared concepts of Azure.Core (and so Azure SDK libraries using Azure.Core) include: Configuring service clients, e.g. configuring ...
Oracle 資料庫 軌道的 Palo Alto Networks 對等互連 劇作家測試 政策 政策見解分析 PostgreSQL Power BI 專用 Power BI Embedded(嵌入式) 私人DNS 權限 Qumulo 配額 復原服務 Redis 中繼 保留 資源連接器 資源圖表 資源健全狀況 資源搬移器 資源 資源訂用帳戶 Resources-Profile-2020-09-01-Hybrid 架構註冊表 Scvmm...
More recently, the advent of such popular enterprise resource planning tools such as Oracle, Peoplesoft and SAP packaged software applications, which force process standardisation, have created even greater impetus for shared services. THE DIFFERENT FSSC MODELS While each organisation will have its own...
本文使用 Zhihu On VSCode 创作并发布 Synthesis lectures on Computer Architecture中_A Primer on Memory Consistency and Cache Coherence (second edition) _和_Shared Memory Synchronization_两本书的笔记。…