Failed to write session data (memcache)
问题 I'm noticing an intermittent issue with our Memcached session handler. The error that occurs is: Unknown: Failed to write session data (memcache). Please verify that the current setting of session.save_path is correct. Notes: It seems to be an intermittent issue that occurs 5 or 6 times a day to various users. Memcached is not localhost. i.e. It's on a different server than the web server. I'm using the Memcache extension (as opposed to the MemcacheD extension). I'm using the tcp prefix. If