[pjz]

The practical problem with logging by time is that it's not resource constrained: holding N seconds of logs, even when each line is a bounded size, takes potentially unlimited memory. Logging 'by count' used a bounded amount of memory, and is easy to implement with a fixed size array in memory.

[Thorrez]

You're talking about a different scenario than than the article. The article is about a strategy of how to generate a single log line. You're talking about a strategy of how to batch multiple log lines together.