[downtime is computer terminology, also known as "when machine" and "crash"]
A few common cause of the server goes down,
1, server room environment objective cause
More common is my computer suddenly loses power, (this can PASS away, because the formal qualified rooms are with UPS) or the temperature is too high, the server will appear crash, shutdown, but this situation is generally is not going to happen, regular idc chamber of commerce for prevention measures, spare circuit and generators, and intelligent thermostat system can prevent the happening of this kind of situation,
2, the server heavy
This is a kind of more common conditions, due to traffic all of a sudden large increase, or attack, program poisoning, etc., all can happen this kind of failure, because of traffic surges will let the server resources exhausted, causing crashes,
3, the unreasonable application of
This is usually in order to reduce the cost of investment, the company host to rent some price is lower, the server configuration is generally low, but a few on a host computer, has nothing to do with the website construction of large software, this can cause the server overload, outage occurs,
Server goes down not only the three reasons mentioned above, there are still many details can also lead to this kind of situation, such as environment configuration, error procedures, database is one of the factors such as lost,
CodePudding user response:
See, actually I'm in the operations group of users screenshots that huawei cloud hung up, I was very shocked, a grapevine says huawei cloud the outage occurred, mainly because huawei cloud in Beijing room appeared some faults, like guangzhou and Shanghai users can still normal use,