the company uses rocketmq message middleware. With the growth of business, it will be reported occasionally recently: [TIMEOUT_CLEAN_QUEUE] broker busy, start flow control for a while, period in queue: 206ms, size of queue: 5 I have made a version u...
problem description there is a doubt about the example code of learning rocketmq on the official website. The link: http: rocketmq.apache.org do... is the result of multiple if judgments in Subscription message sample code. What exactly does it mean...
when using the Rocketmq queue service, the server sees that the log has been started successfully, but the above error is thrown when the code called by the official client is executed. I use version 4.3.0 of Rocketmq. The following is the code called b...
would you like to know if rabbitmq supports distributed transaction messages? rocketmq4.3 begins to support distributed transaction messages. what is the general mechanism if rabbitmq does not support transaction messages? ...
RocketMQ setting brokerIP1 is invalid. The address of docker will be found by default, resulting in unable to connect to broker configuration: 2018-06-20 21 :00 :56 INFO main - namesrvAddr=127.0.0.1:9876 2018-06-20 21 :00 :56 INFO main - brokerIP...
I know that message queues can cut the front and fill the valley message queue sharpening is easy to understand. Message queuing can limit traffic when a large number of requests are sent. Protect the back end. but how to understand filling grain ...
install the rocketmq4.2 version under the win7 environment. There is no installation tutorial for windows on the official website. According to the online tutorials, all the tutorials on the Internet are the old version, that is to say, starting mqnames...
does Google place api need a ssl certificate to access it? ...
iOS11 before webview loading url, occurred redirect deadlock {ErrorDomain = kCFErrorDomainCFNetwork Code=-1007 "too many HTTP redirects " , this problem will not occur after iOS11. Why? ...
< div class= "section_content_coupon_right_btn ": data-id= "row1.id " > <span v-bind:class="{active:arr[index]}" v-if="!isactive[index]" @click="getcoupons(index,$...
The normal re in Python has search , findall and other methods, but they don t seem to be directly used in scrapy, because I have read some materials that are useful to re_first ? so I d like to ask whether the method of the re selector in sc...
Please take a look. Is it wrong to write this? why can t you parse this variable ? ...