Experienced same particularly noticeable in Novy Sobor/Stary Sobor area 7/8/2014. Prior to the zombie respawn there was a noticeable drop in game performance. cannot confirm if this is server or client side.

Zombies are seemingly multiplying every X seconds until the player is overwhelmed.

Further to above please use below dropbox link to obtain file I was not able to upload due to the file size limit

https://www.dropbox.com/s/1wc4e0dqzajl4ve/DayZ2.rar

Hi, thanks for the reply to this. Iv uploaded the file the size is 10Mb hope this is ok

This happened again today when exiting the game.