recovery log 中文意思是什麼
recovery log
解釋
恢復日誌-
High availability disaster recovery for example, hadr log delay ; this category is new to db2 v8. 2
高可用災難恢復（如hadr日誌延遲；這一類別是db2 「 stinger 」中新增的） 。 -
Although these conditions are rare, left unchecked they have the potential to cause recovery log collision and consequent loss of data integrity
雖然這些情形不常見，但是卻有導致恢復日誌沖突且隨之損失數據的完整性的潛在危險。 -
Access to a recovery log is only performed when the exclusive lock is held
對恢復日誌的訪問只有在持有排它鎖定時進行。 -
Server p attempts to gain an exclusive file lock for this peer recovery log, but is unable to do so as it is held on behalf of server h. the peer recovery process is blocked
服務器p試圖獲取該對等恢復日誌的排它文件鎖定，但是由於文件服務器上的nfs鎖定管理器代表服務器h持有恢復日誌文件的排它鎖定，因此阻礙了對等恢復處理。 -
Websphere application server obtains an exclusive lock on the physical recovery log files whenever it is instructed to perform recovery processing and releases this lock when it is instructed to pass ownership of the logs to another server
當執行恢復處理時， websphere application server將獲得對物理恢復日誌文件的排它鎖定，而當websphere application server將日誌的持有權轉給其它服務器時將讓出該鎖定。 -
Having taken steps to mitigate the risk to recovery log integrity when locking is disabled, it is possible to tune the heartbeating parameters of the websphere application server ha framework to change the conditions under which a server is considered failed
當解除鎖定功能時，需要採取步驟減輕恢復日誌完整性風險。當服務器發生故障時，可以調整websphere application server ha的heartbeating參數。 -
Like the full recovery model, the bulk - logged recovery model retains transaction log records until after they are backed up
與完整恢復模式相同，大容量日誌恢復模式也將事務日誌記錄保留到對其備份完畢為止。 -
We use tcp / ip protocol to ensure the reliability of the process. by the checkpoint - log technique, we can ensure the recovery of the process
我們採用tcpny協議來保證該數據傳輸過程的可靠性；通過記錄檢查點的方法，保證了該數據傳輸過程的可恢復性。 -
To prevent such problems from occurring, websphere application server uses network file locking technology to ensure exclusive access to recovery log files
要避免這樣的危險發生， websphere application server使用網路文件鎖定技術來確保對恢復日誌文件的排它訪問。 -
Contains information about how to use a log sequence number to define the recovery point for a restore operation
包含有關如何使用日誌序列號（ lsn ）為還原操作定義恢復點的信息。 -
The databases in a log shipping configuration must use the full recovery model or bulk - logged recovery model
日誌傳送配置中的數據庫必須使用完整恢復模式或大容量日誌恢復模式。 -
Among these techniques, log system is the foundation of fault - tolerance in distributed database systems. many sub - systems can benefit from powerful log system, such as distributed query, parallel processing control, transaction recovery, and message - based fault - tolerable log techniques. in addition, log can be used to maintain consistency among database ' s duplicates
其中，日誌是錯誤容忍與分散式數據庫系統的基礎，分散式數據庫系統可靠性通過一套基於日誌的機制得到保證，如用於分散式更新、並發控制、事務恢復、錯誤容忍的消息日誌技術；當網路中斷或隔離，日誌可用於維護數據副本的一致性。 -
It divides the whole recovery process into three major steps : log - recovery, agent - recovery, and synchronization. the key idea of this new protocol is to cache new database operations during recovery in agents
該協議使用了代理（ agent ）來緩存在恢復期間新發起的數據庫操作，並在通過日誌完成部分恢復后，依靠這些緩存的操作進行進一步恢復。 -
File locking is used to ensure exclusive access to the files that make up a recovery log
使用文件鎖定確保對組成恢復日誌的文件的排它訪問。 -
Server h is running on host h and holds an exclusive file lock for its own recovery log files
服務器h在主機h上運行，且對其恢復日誌文件持有排它文件鎖定。 -
Server p is running on host p and holds an exclusive file lock for its own recovery log files
服務器p在主機p上運行，且對其恢復日誌文件持有排它文件鎖定。 -
To maintain the integrity of a recovery log file, only a single client process can access the log at a time ; this access can be assured using the exclusive network file locks discussed previously
要保持恢復日誌文件的完整性，一次只能允許單個客戶端流程對其進行訪問。通過使用先前討論到的排它網路文件鎖定來確保訪問的進行。 -
Transaction recovery log
事務恢復日誌 -
Ownership of the recovery log is defined in the websphere application server configuration
持有權在websphere application server配置中定義了恢復日誌的 -
Adding two servers causes recovery log contention as both servers attempt to own the associated recovery logs
添加兩臺服務器將導致爭用相關聯的恢復日誌。
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