Hi I'm using wordpress and I was wondering how long does google to index my whole site as I have about 8000+ posts. I checked my site on google and I only see my recent posts being indexed.
It will be very fast, give it about 5 days the most. Of course, if you want it to be faster you can always try out Google Sitemaps Plugin.
Were you using wordpress from the beginning, or have you migrated to wordpress recently ? Is there a way for the spiders to get to the old posts ? I mean, is your navigation spider friendly.