This is because these update operations require synchronous writing to the database log. 原因是这些更新操作都要求同步地写到数据库日志。
Log into the TestServer and enable rawhide support like you did in the Installing Xen section, and run yum update. 登录到TestServer,然后像您在安装Xen那一节中所做的那样启用rawhide支持,然后运行yumupdate。
If your application happens to have a high update workload, the database snapshot monitoring may reveal a large number of log pages read. 如果您的应用程序碰巧具有高更新的工作负载,那么数据库快照监控就可以暴露大量的日志页面读。
Unneeded indexes impair the performance of insert/ update/ delete actions, and consume storage and transaction log space. 不必要的索引会对插入/更新/删除动作的性能造成不良影响,并消耗存储和事务日志空间。
Database update operations ( such as update, insert, and delete) all benefit when the database log is located on a fast device, such as a disk with a fast write nonvolatile cache. 当数据库日志位于高速设备(例如带有高速写非易失高速缓存的磁盘)时,数据库更新操作(例如更新、插入和删除)都将受益。
Through automatic update module, the log format system can download the corresponding plug from server when logs can not be recognized. 通过引入自动更新模块,使系统在无法解析日志时可以从插件库自动下载插件来完成格式化过程。
Busy trading, after-hours engaged in research and analysis, no extra time to update the log, hope you forgive me! 忙于买卖,盘后忙于研究阐发,暂无多余时候更新日记,望列位见谅!
Automatic Fault Localization to Memory Corruption Vulnerabilities Based on Memory Update Log 基于内存更新记录的漏洞攻击错误定位方法
After the update, ensure that the Clear Event Log is enabled under BIOS to remove the historical data. 更新后,确保启用BIOS下的清除事件日志以删除历史数据。
By using RF sequence as the user pattern, the approach can gradually update the prediction of current user based on matching the current user pattern with the user patterns in log. 系统以反馈序列为用户模式,通过与反馈日志中用户模式的匹配,动态地调整对当前用户的预测。
General Outside Database Update Detection Method Based on Log 基于日志的数据库更新通用外部监测方法
This log analyzer can get database update manipulation ( Insert 、 Delete and Update) that can arose database state transition and their corresponding data for many relational ap-plications. 此日志分析器能够把引起数据库状态变迁的数据库更新操作(Insert、Delete和Update)及相应数据分析出来,以便利于各种相关应用。
Backup log is mainly used for the creation of copies and copies of the synchronization, the new copy and update copy, you need to log in order to ensure the consistency of multiple copies of transfer and playback. 备份日志用于副本的创建和副本的同步,新建副本和更新副本时,需要对日志进行传输和回放以保证多个副本的一致性。