The phrase "a backlog of message" is not correct.
Did you mean "a backlog of messages"? You can use it when referring to an accumulation of unread or pending messages that need to be addressed.
Example: "Due to the holiday season, I have a backlog of messages that I need to respond to."
Alternatives: "a pile of messages" or "an accumulation of messages".
The total failure resulted in a backlog of messages that they are chewing through at this moment.
The radio operator, Jack Phillips, may have failed to grasp its significance because he was preoccupied with transmitting messages for passengers via the relay station at Cape Race, Newfoundland; the radio set had broken down the day before, resulting in a backlog of messages that the two operators were trying to clear.
The boards are now back, and the Friends Reunited team are currently wading through a backlog of 500,000 messages.
When he left, he said he would meet Jenny soon to go through a backlog of Facebook messages and buy a laptop.
An outpouring of support from around the country has paralyzed the Village Hall telephone system, with a team of volunteers working to clear a backlog of voice messages.
Eleven months ago, a prolonged shutdown of BlackBerry services in the same region created such a backlog of undelivered messages within RIM's computer system that it nearly shut down global service.
Backup systems designed to support the infrastructure in such instances also failed to work properly, and a backlog of unsent messages began to pile up, choking the system and knocking other portions of the infrastructure offline, he said.
The cause was traced to a switch failure in a UK datacenter causing a cascade of failures as a backlog of undelivered messages accrued — which in turn caused the system slow-down to spread further afield than the EMEA region.
(Who knows if Snowden was lurking on the service under an assumed name prior to uncloaking as @Snowden. Someone has probably DMed him to ask but he clearly has a big backlog of messages to get through…).
Over the past year, critics had exposed a backlog of thousands of untested rape kits in Illinois, and officials said the law would send an important message.
