Batch puts and gets are always faster as they are done in parallel. Jeff
2010/8/9 Jaroslav Záruba <[email protected]> > Thank you, keakon! > > On Tue, Aug 10, 2010 at 4:34 AM, 风笑雪 <[email protected]> wrote: > >> As I know, pre-allocate is nothing about performance, and use single >> put to save entities is faster than put each of them. >> ---------- >> keakon >> >> >> >> 2010/8/10 Jaroslav Záruba <[email protected]>: >> > Hello >> > Could someone tell me which approach is 'cheaper', please? >> > Let's have two entities... >> > - persistedBasket // already persisted entity, holds item IDs >> > - newItem // does not have ID yet >> > Should I put(newItem), pass its ID to persistedBasket and then >> > put(persistedBasket), or is it 'cheaper' to pre-allocate single ID for >> > newItem and then do put(persistedBasket, newItem)? >> > In other words, does it make sense to pre-allocate single ID to make >> single >> > put(item1, item2) instead of two consecutive put's? >> > Regards >> > JZ >> > >> > -- >> > 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]<google-appengine%[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]<google-appengine%[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]<google-appengine%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > -- -- Jeff -- 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.
