On Wednesday, December 26, 2012 4:27:47 AM UTC-8, aschmid wrote: > > even if a property is not indexed is needs to be written to the datastore > so it costs 1 write instead of 2 (one to the datastore and one to the > index). > We also charge an extra 1 write operation per entity (and only for new entities) for the kind index.
a list property adds 1 write per item for example + another one for each > one if they are indexed. > > vlad UNEXISTING props do not add any write cost ;) > > On Dec 23, 2012, at 2:45 PM, vlad <[email protected] <javascript:>> > wrote: > > My understanding is UNINDEXED properties add no write cost at all. See > https://developers.google.com/appengine/docs/python/datastore/entities#Understanding_Write_Costs > > > On Friday, December 21, 2012 1:29:26 PM UTC-8, Ryan Chazen wrote: >> >> Hi - I find the following a bit confusing - is it correct? >> >> Using unindexed properties only: >> >> If I write 10 numbers in a list to the datastore, _ah/admin on the local >> dev server shows 10 write operations. >> If I write 10 numbers inside an embedded entity (or comma delimited), the >> local dev server shows 1 write operation. >> >> Since billing is by write operations, is using the list 10x more >> expensive in reality? If so, I need to make sure all of my unindexed >> properties get put into an embedded entity first before writing as it will >> mean I only use 1 write op for all unindexed properties... > > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/google-appengine/-/CGmpJvoIF_EJ. > To post to this group, send email to [email protected]<javascript:> > . > To unsubscribe from this group, send email to > [email protected] <javascript:>. > 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 view this discussion on the web visit https://groups.google.com/d/msg/google-appengine/-/5c69CLPMDuIJ. 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.
