log roll 中文意思是什麼

log roll 解釋
伸臂滾身游泳練習
  • log : n 1 原木,圓木,乾材。2 測程儀,計程儀。3 航海日誌,(飛行員用的)航海日誌;旅行日記。4 〈英國〉...
  • roll : vt 1 滾,轉,推滾(桶、車輪等),使(煙、塵土)滾滾上升,滾滾推進(浪、水等);滾動,溜轉(眼睛)...
  1. Roll into a 1 - inch - wide log. refrigerate until ready to use

    用蠟紙將奶油捲成長筒狀,冰鎮備用。
  2. Failover time for the database depends on how fast the mirror server can roll forward the log in the redo queue, which, in turn, is determined primarily by the system hardware and the current work load

    數據庫的故障轉移時間取決于鏡像服務器前滾重做隊列中日誌的速度,此速度反過來主要由系統硬體和當前的工作負荷決定。
  3. Potentially, a principal database can become so busy that the principal server ships log to the mirror server much faster than it can roll the log forward

    主體數據庫可能會非常忙,以至於主體服務器將日誌傳送到鏡像服務器的速度遠遠大於鏡像服務器前滾日誌的速度。
  4. Beginning with sql server 2005, restore log can include a file list to allow for creation of files during roll forward

    從sql server 2005開始, restore log可以包括一個文件列表,從而允許在前滾過程中創建文件。
  5. This is implemented by maintaining a log of all database actions, as well as a copy of the table in its original state, allowing the roll back of actions to the next time the server is restarted after a failure

    這是通過維護所有數據庫操作的日誌,以及其原始狀態表的副本來實現的,在失敗後下一次重新啟動服務器時允許回滾操作。
  6. Restoring a log backup rolls forward all pages in the roll forward set

    還原日誌備份將對前滾集中的所有頁進行前滾。
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