RRD is the Acronym for Round Robin Database. RRD is a system to store and display time-series data (i.e. network bandwidth, machine-room temperature, server load average). It stores the data in a very compact way that will not expand over time, and it presents useful graphs by processing the data to enforce a certain data density. It can be used either via simple wrapper scripts (from shell or Perl) or via frontends that poll network devices and put a friendly user interface on it.
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High DPI images that don't pixelate on mobile screens.
: It is important to note that the original series ends mid-way due to magazine conflicts, leading to the sequel/reboot, Jinrouki Winvurga Rebellion . Some readers prefer the sequel because it allows the mangaka more freedom with the darker and more graphic elements of the story without magazine-mandated "toning down". Reader Reception & Availability