Have all processes been looked at on the box through performance monitor ton detail page file usage? On Feb 25, 2016 10:40 AM, "Jesse Rink" <[email protected]> wrote:
> This might be a fun one to discuss... I'm not even sure this is > problematic or no big deal at all. I'm leaning towards no big deal. I > bring it up because the behavior is unlike any other server I have (though > that doesn't necessarily mean it's wrong/bad). > > > I have a physical server running Windows 2012 R2 with 24GB of physical > memory. Paging file is set to be managed by the OS and is currently 4.58GB > in size. The server is not heavily used. > > > What's strange is, the server's paging file usage is constantly upwards of > 90% -- which is unlike any other servers I manage, including servers that > are running on the -same- hardware spec, -same applications-, etc. The > server in question with the 90%+ paging file usage is a bit of an anomaly. > > > Few things to note... > > 1. The server's Committed Bytes is always hovering around 12GB or so... > which is way below the Commit Limit (I think is 28GB or so, (physical > memory + virtual memory)). So that seems to be completely normal. > > > 2. The server's Page Faults/sec and Pages/sec are nearly identical with > other servers I have that are serving up the same roles/functions and with > the same hardware specs. So that also seems completely normal. > > > 3. The server's Available Memory is always around 50%. So that also seems > to be completely normal. > > > 4. Because of the 90% Paging File Usage, the server's c: drive "Disk Write > Time %" is noticeably higher (averaging around 20% utilization) than other > servers (which average around 3% utilization), but it's obviously not high > enough that it's affecting performance. I'd also expect to see higher > Disk Write Time % with a more heavily utilized Page File anyways. > > > 5. The server's Paging File Usage hovers around 90% (a reboot will lower > it temporarily but will return back to 90% after 2-3 days) continually. > The other servers I have that are serving up the same roles/functions and > with the same hardware specs usually show around 0-10% Paging File Usage. > Big difference. > > > 6. The paging file itself, seems to be used, as far as process/bytes go, > by SQL (there's a very -small- app using SQL on the box) and also by Java. > However, nearly identical servers with the same apps (and SQL too) and > hardware specs, don't show the same high Paging File Usage results. > > > All in all, there's seemingly nothing wrong, but it bugs me that the Page > File Usage on this particular server is so high. It SEEMS like perhaps > there's just something wonky with the SQL and/or Java apps on this > particular box that are using the Pagefile so much versus numerous other > similar servers... > > > I guess I'm curious... Would any else bother spending the time to figure > out what's going on with the Pagefile? Ha. Like I said, there's no real > performance hits or problems so maybe it'd be a waste of time, except for > figuring it out for curiosity's sake. > > > > > Jesse Rink > > Source One Technology, Inc. > > HP Partner > > 262 993 2231 > > > > ** Please visit our blog! http://www.sourceonetechnology.com/blog/ > > >>
