[Webkit-unassigned] [Bug 195182] RELEASE_LOG should not be Cocoa specific

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=195182

--- Comment #8 from Keith Rollin <krollin at apple.com> ---
I wanted to know about sd-journal, so I found this document https://docs.google.com/document/pub?id=1IC9yOXj7j6cdLLxWEBAGRL6wl97tFxgjLUEHIX3MSTs. I got to it from http://0pointer.de/blog/projects/the-journal.html, so I believe that article is from Mr. systemd, Lennart Poettering. I haven't read it yet, but I intend to.

But I also wanted to mention something about our RELEASE_LOGging. First, we're making more and more use of it, since we're finding it very valuable for its intended goal of gathering post-mortem information from testers and customers. Second, be very conscious of os_log's own goals of being very fast and space efficient. For example, I gathered the last two minutes of logging on my system. The binary files were 119MB, with the textual expansion being 477MB. For another data point, I collected all the logging on my system. The binary files, covering 2-3 weeks of activity, were 1.3GB; their textual expansion was 7.5GB. Since we watch WebKit's performance very closely, we know that we are gathering this information without appreciable or even noticeable performance slowdown.

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