Sentinel (Sentinel) process is used to monitor the working status of Master master server in redis cluster. When Master master server fails, it can switch between Master and Slave servers to ensure high availability of the system. It has been integrated into redis2.6 + version, and Redis Sentinel mode has stabilized after version 2.8. In general, it is also recommended to use later versions of Redis version 2.8 in production environment. Sentinel is a distributed system. You can run multiple sentinel processes in one architecture. These processes use gossip protocols to receive information about whether the Master master server is offline, and use Agreement Protocols to decide whether to perform automatic failover and which Slave to select as the new Master. Each Sentinel process will send messages to other Sentinel, Master and Slave regularly to confirm whether the other party is "alive". If it is found that the other party has not received a response within the specified configuration time (configurable), it will temporarily think that the other party has dropped, which is called "Subjective Down". English name: Subjective Down, SDOWN for short. Subjective Down,
For example, the above is only a simple literal quantity structure. All member variables above are accessed through Singleton, but it is not a single mode. Because the monomer pattern has a more important feature, that is, it can be instantiated only once. The above is only a class that cannot be instantiated, so it is not a monomer pattern. Object literal quantity is one of the methods used to create a single pattern;
在活动公司工作的28岁加濑妙子（本田翼饰），总是对“无法选择”的人生感到厌烦。
As a module, it can selectively expose (provide) its own attributes and methods to other modules for use by other modules.
年轻的卢卡斯和他的宗教姑妈住在一个安静的乡村小镇上。但这个小小的焦虑生活是由慈善阿姨宣布刚从监狱里出来的另一个侄子马里奥的到来而来的。
骂庞取义收刀无情，感激杨长帆仗义相救。
从小就被定为名伟未婚妻的王素敏家庭和名伟的家庭关系密切，十多年前两个家庭还曾一起到别墅渡假。在去别墅的路上，当时还是个学生的赵名伟和负责打扫别墅的小唐悲玲曾经碰过面。十年之后，在开往上海的火车上，巴士司机唐悲玲和豪门家族接班人赵名伟又并排坐在了一起，但已互不相识。虽然唐悲玲从小失去父母，在艰苦的环境下成长，但却一直以明朗的性格对待别人，是一个亲切可人的乡村姑娘。而赵名伟虽家境富裕，却自小被世俗琐事所纠缠，作为豪门家族的接班人压力重重。
"My friend said that I was like a child who played tricks on the spot at that time, and no one could pull it up." Marriage failure, stock market failure, to cheer up in front of the two children, to minimize the harm of divorce to them, and unable to talk to their parents in the Cold War, Ellie seems to put herself in a condom, mood closed and depressed.
“熬到今天满意为止吧，少年。”
三来，不怕王大人笑话，撇开恩怨不提，谁不想高攀一门好亲事？王尚书听得又是惊讶又是好笑。
React Source Interpretation Series-Event Mechanism
In order to avoid sharing profits with other groups, the Massachusetts Institute of Technology group decided to buy out the lottery three weeks in advance, triggering a reduction. Obviously, this large number of lottery tickets purchased from a very small number of retailers have caused a large number of abnormal phenomena detected by lottery organizations.
曹氏家族，虽然富贾一方，以名门自居，可是其家族内部却存在着许多不为外人所知的矛盾与斗争。曹家二子曹天吉性格善良、风度翩翩，可是从小到大，他一直都是生活在深深的罪恶感里，无法自拔；事因儿时的他，由于贪玩，怂恿哥哥带着他到荒山远足，结果导致哥哥曹天裕在远行中染上恶疾，一直无法痊愈，遗恨多年，为此他们的母亲薛剑兰多年来都没能原谅曹天吉，还整日以泪洗面。在成长的过程中，曹天裕一直受病魔折磨，最终由于丧失了生育能力，无法娶亲，这是曹家最大的遗憾。为了补偿被众人唾弃的大儿子曹天裕，在相亲屡次失败后，爱子心切的薛剑兰与香家染坊的大小姐香雪心做了个交换条件，让聪明，美丽而又颇有心计的香雪心没有条件的嫁给大儿子曹天裕，却同时让二儿子曹天吉去迎娶香雪心的亲妹妹香雪灵。为了补偿内心对哥哥的愧疚，和让母亲消除对自己的偏见，曹天吉违心地离开了的女友陈暮春，违背自己良心与意愿的接受了由母亲一手安排的这桩婚事。曹父曹锦峰对这样买卖式的婚姻很是反感，他极力阻止曹天吉作出这样的决定，可是曹天吉不听，坚持把哥哥的终身幸福当
医院楼顶平台，身患癌症的工程师赵志平纵身跳下……没想这自私的一跳非但没有解脱，反倒让妻子叶子和主治医师顾汉梁同时陷入绝境。他们一个是热爱生活、阳光乐观的幼儿教师，刚刚背着婆婆拆兑好医疗费尚未喘息却再次面临危在旦夕的丈夫；一个是自命不凡、高傲冷峻的海归博士，为救人决然放弃国际医学大会却被竞争对手洪峰占据大外科主任的制高点。谁料一波未平一波又起，叶子的表妹、报社记者董芊芊紧抓“患者自杀”一事不放，并将顾汉梁的言论独家曝光。面对眼中钉深陷官司门，洪峰一边趁机挑唆原本就捉肩见肘的赵家状告医院获得巨额赔偿，一边鼓动邝院长让顾汉梁登报道歉平息医患纠纷，这让本来就很紧张的医患关系陷入僵局。眼看双方就要对簿公堂，死里逃生的赵志平凭良心说出事情，叶子暗自欣慰，顾汉梁则大跌眼镜。两个看似永远都不会有交集的人就这样卷入彼此的生活。
独自一人生活的昔日校长森衣恭一与亡妻生前饲养的流浪猫相依为命，但森衣却不太喜欢猫，每天想方设法赶走它。可是有一天，这只猫再也没回家，心急如焚的森衣开始全力寻找，周围人听到猫咪失踪的消息，也纷纷开始了找猫行动……
[1987] Follow "Walk with God" Jiang Dongyuan Frequently Wipes Tears Beside the President,
之前说的那批货，在办了，还需些时日。
只有物理定律、永恒至理、宇宙奥秘，才是人类的追求。
A circular silk screen with a diameter of 2.5 mm is placed on the silk screen layer to surround the test pad to identify the position of the test point, and the number of the test point is marked beside the silk screen, such as X1, X2, …, etc. The test points shall not be covered with solder resist or text ink.
