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This varies according to checkpoint algorithm. If all dirty pages are flushed while creating the checkpoint (as in PostgreSQL), it might contain: redoLSN: This is a reference to the first log record that corresponds to a dirty page. i.e. the first update that wasn't flushed at checkpoint time. This is where redo must begin on recovery.
PostgreSQL (/ ˌ p oʊ s t ɡ r ɛ s k j u ˈ ɛ l / POHST-gres-kew-EL) [11] [12] also known as Postgres, is a free and open-source relational database management system (RDBMS) emphasizing extensibility and SQL compliance.
After sunsetting is announced, usually very few changes are made to the hardware or software in question, as such work would be counterproductive, when its termination is soon to follow. In some cases, however, individual features of an application, server, or service may be phased out at different times, leading up to the eventual full shutdown.
Log shipping is the process of automating the backup of transaction log files on a primary (production) database server, and then restoring them onto a standby server. This technique is supported by Microsoft SQL Server, [1] 4D Server, [2] MySQL, [3] and PostgreSQL.
A server running Novell NetWare has been reported to have been shut down after 16 years of uptime due to a failing hard disk. [4] [5] A Cisco router had been reported to have been running continuously for 21 years as of 2018. [6]
A federal judge did not issue a ruling following a hearing Tuesday at which five unions sought a temporary restraining order to keep the Trump administration from carrying out mass layoffs across ...
In Microsoft Windows and ReactOS, a PC or server is shut down by selecting the Shutdown item from the Start menu on the desktop. Options include shutting down the system and powering off, automatically restarting the system after shutting down, or putting the system into stand-by mode .
In service level agreements, it is common to mention a percentage value (per month or per year) that is calculated by dividing the sum of all downtimes timespans by the total time of a reference time span (e.g. a month). 0% downtime means that the server was available all the time. For Internet servers downtimes above 1% per year or worse can ...