I have tested Better Word Press Google XML Site maps. Its not at all up to mark.
> Site map will be splitted in multi small sitemap.
My Ans :- split work will be done by separate module, which not yet has been associated with plugin.
> Very fast indexing by Google
My Ans :- I tell you seriously, indexing was very slow. I have submitted my sitemap by using Google xml sitemap around one hour before and now so far Google index 500 posts.
In Better Word Press Google XML Site maps plugin - First submitted only 8003 posts/pages to SE and worst was that Google had index only 04 posts in 24 hours.
> Disappointment :- For me and everyone it should be that Better Word Press Google XML Site is auto means consuming very big memory which is impossible to handle on shared hosting.
Little update in data or comment submission will let plugin to run cron on server which usually not at all user friendly.
Just think Your site having good visits now on each comment submission, cron will run and it will make you website very slow.
No question to Use Better Word Press Google XML Site maps plugin now.
Back to my question
What exactly I meant that If you set only 50000 posts in sitemap than remaining posts will be left out for SE indexing.
As per author of Google XML Site maps plugin - future version will have sitemap split function but not as per no of posts rather month wise.
Not only me so many other user has been raised comment to plugin auther that please make it as per no of posts rather month wise. I don't know what action Mr auther going to take.
Back to Plugin - I have tasted almost all sitemap plugins and got worst answer. Google XML Site map plugin is simply best and if it will have split sitemap function it will be just great plugin.