I used to worry about this and then I realized that the "Death from soft memory limits" gave funny numbers,
And that instances change from Dynamic to Resident. I think Instance death occurs on a timer, and who ever is idle at the moment someone is to be killed takes the bullet. Subject: [google-appengine] Uneven instance load Hi guys, I'm seeing this: QPS* Latency* Req Err Age Memory Availability 0.000 0.0 ms 3 0 20:03:14 62.8 MBytes Resident 0.000 0.0 ms 1 0 1:22:39 57.5 MBytes Resident 0.000 0.0 ms 399 2 19:50:13 69.8 MBytes Dynamic <-- Why? 0.000 0.0 ms 32 0 2:32:28 67.7 MBytes Dynamic 0.000 0.0 ms 11 0 5:37:17 64.1 MBytes Dynamic And sometimes, opening my website results in: Error: Server Error The server encountered an error and could not complete your request. If the problem persists, please report your problem and mention this error message and the query that caused it. Here's what the log says: 2011-12-10 22:45:49.606 / 500 10202ms 0kb Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:6.0.2) Gecko/20100101 Firefox/6.0.2 xxx.xxx.xxx.xxx - - [10/Dec/2011:06:45:49 -0800] "POST / HTTP/1.1" 500 0 "https://apps.facebook.com/propertyads/"; "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:6.0.2) Gecko/20100101 Firefox/6.0.2" "neytap.appspot.com" ms=10203 cpu_ms=0 api_cpu_ms=0 cpm_usd=0.000068 pending_ms=10179 W 2011-12-10 22:45:49.606 Request was aborted after waiting too long to attempt to service your request. This may happen sporadically when the App Engine serving cluster is under unexpectedly high or uneven load. If you see this message frequently, please contact the App Engine team. Are the graph and the error related? What should I do? -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
