Hi Martyn, Nick has chimed in on the question in the following thread:
http://groups.google.com/group/google-appengine/browse_thread/thread/5c9b5ecc25499250 Thank you, Jeff On Thu, Aug 6, 2009 at 5:23 AM, Martyn <martyn.cutc...@googlemail.com>wrote: > > .hmmmm... > > checking the AppEngine status Latency figures... > > I note that Datastore best Put latency is ~60ms but frequently over > 80ms, which is what I see in my performance tests. > > However, the memcache latency is reported at ~5ms, which is definitely > NOT what I see, I am experiencing almost three times that. > > > On 6 Aug, 10:08, Martyn <martyn.cutc...@googlemail.com> wrote: > > This is from a Google Code resource: > > > > "Memcache is a distributed RAM cache in which you can store transient > > data using a key-value model. Writes to memcache never touch the disk > > and are approximately 10 times faster in comparison to writes to the > > datastore. Also, direct gets to memcache are approximately five times > > faster than a get request to the datastore." > > > > I am not finding this, specifically, a batch write of 2 2K Blob > > entities takes < 60ms > > > > Let's assume the worst case that a single Blob put would take 60ms > > > > A memcache put is taking around 13ms which is definitely not one tenth > > the time. > > A memcache get is also taking the same time. > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
