uncleflo
Registered since September 28th, 2017
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Painless HA failover with MariaDB
Saved by uncleflo on February 26th, 2018.
At work, we run a simple high-availability (HA) MariaDB setup that consists of an active master that handles all read and write queries from our applications, a passive master that can take over for the active master at any time, and a read-only replication slave (not shown) that we use for backups and analytics. Replication is configured so that the active master follows the passive master, the passive master follows the active master, and the analytics slave follows one of the masters. For the remainders of this post, I will refer to the active master as the master and the passive master as the standby. The benefits of this master-master configuration is that it allows us not only to failover from master to standby if the master becomes unhealthy, but also allows us to perform patching, reboots, lengthy migrations, and other kinds of database maintenance without impacting our users. Well, almost...
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HDG Explains - Swapfile.sys, Hiberfil.sys and Pagefile.sys in Windows 8 - Help Desk Geek
Saved by uncleflo on June 10th, 2015.
In previous versions of Windows, you probably remember the good ol paging file. It’s used to when physical memory becomes overcommitted and it hold objects that usually have not been accessed in a long time. That is pagefile.sys. Next, we had the hibernate option in Windows that let you save the kernel and all applications to your hard drive so that you could start your computer back up faster than doing a full reboot. That is hiberfile.sys.
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