It really depends on the use case for the sessions and expectations. At some point the user's session will, and SHOULD, timeout anyway. Proper sizing and configuration of memcache and resilient interfaces will reduce the chance of random session loss.
Of the four bullet points at the start of the article, three of them apply equally to many or all RDBMS-backed stores.
Resource limitations, upgrades, and infrastructure changes can negatively affect RDBMS-backed services just as well.
Of the four bullet points at the start of the article, three of them apply equally to many or all RDBMS-backed stores.
Resource limitations, upgrades, and infrastructure changes can negatively affect RDBMS-backed services just as well.