on delay vs off delay

Today after work received a database monitoring sent by the alarm message, the contents are as follows:Server monitoring System DBA monitor V1.0-------------------------------------------------------Alarm server: **************Alarm Host Name: **************:3306-------------------------------------------------------Alarm time: 2017-10-20-11:10:03-------------------------------------------------------Alarm content:materid-185:mysql-bin.002114|391767716slaveid-189:mysql-bin.002114|391767716|mysql

Label:The specific installation tutorial will not write, there are many online.After the grid and Oracle are installed, the delay time of the building is several hours, permissions, monitoring what is done, is not found the problem, and then the use of silent installation, but minutes of the library is built.Commands for silent installation:Dbca-silent-createdatabase-templatename general_purpose.dbc-gdbname orhl-syspassword Oracle-systempassword Oracl

Tags: http ar for strong SP div on EF BSSlave delay is more common, if the short delay after the catch up, generally can accept. Using InnoDB is not a bad thing, it will reduce some slave abort situation. If it is a MyISAM table, the Insert update delete operation is interrupted abnormally (for example, CTRL C), slave will stop syncing and need to intervene manually.At 08-2-3,Simonsen [email protected]> wro

In Java, it is sometimes necessary to suspend a program for a little time, called inertia. Common delay is thread.sleep (int) method, which is very simple. It suspends the current thread for the specified number of milliseconds. Such as Try { thread.currentthread (). Sleep (1000);//Millisecond } catch (Exception e) {} 　　Here you need to explain the time the thread sleeps. The sleep () method does not allow the program to "s

when using CSS to do some small animation, some animations we need to play the loop, and in some of the animation we need to have a certain interval between the previous loop and the next loop, this time the Animation-delay and Transition-delay It only takes effect at the beginning of the first animation, and it doesn't work between the two loops, which is the time interval between loops that we need to im

I am doing web development, recently in learning Android. During the weekend, I want to write a delay into the main interface of the function, mainly used in handler and runnable, the code is as follows: packagecom.zx.app;importandroid.app.Activity;importandroid.content.Intent;import android.os.bundle;importandroid.os.handler;importandroid.view.view;import android.widget.button;publicclassstartscreenactivityextendsactivity{ Privatefinalintsplash_displ

Guide : Every woman wants time to walk slowly in her own body, a little slower. But women's aging is an immutable natural law, women friends how to anti-aging? What foods can delay aging? Let's take a look at it with a small weave. ......10 types of anti-aging Foods1. CarrotRich in Vitamin A and carotene , can keep the hair luster, skin delicate, but also promote immunity, improve eye vision.2. TomatoTomatoes in the proportion of vitamin A, vitamin C

", conselector: ". Linklist", Focusclass: "Current"); Parameter configuration refer to your specific classTAB Switch SourceJQuery.fn.Tabs = function (options) {var defaults = {Tabselector: ". Tabs li",//Tab tabConselector: ". Tabcontent",//tab contentsFocusclass: "C",//tab-selected styleMoretrigger: ". Tabtitle. More. Link",//Extension tab for more linksEvents: "MouseOver",//event type, support for "MouseOver", "click"selected:0,//Default Check tab entrydelay:0.2//Event

11.4 Practical Delay valuesIf we have a series of calculations that can take a long time and calculate this value only when needed, then the delay value is useful. In this case, you can benefit from caching, which we have implemented in C # in the previous section, using the delay value as a cache and filling it when needed.Another important use of

11.3.4.1 implementation OR and delay orBecause we want to implement an operator, we need to define it as a real operator, not just a normal function. As you learned in the sixth chapter, you can introduce your own operators in F #, and listing 11.17 shows two different or operator types.[There is still a problem with the list number. From 11.14 onwards, it became 11.17.]Listing 11.17 comparing advance and deferred or operator (F # Interactive)

Java.util.concurrent.ScheduledThreadPoolExecutor is JDK1.6 comes with a package that is powerful enough to enable timer and delay loadingVarious functions and treatments better than timer1. Timer:Scheduledthreadpoolexecutor has a scheduleatfixedrate (command, InitialDelay, period, unit); methodCommand: Executed thread (can own new one)InitialDelay: Initialization execution delay timePeriod: Time intervalUni

The SQL statement waitfor can be written to a stored procedure and executed again: waitfor {delay 'time' | time' time} the time after delay is the delay time after which the execution time is specified. The format is "HH: mm: SS ", the following is an example of a date not supported: ------ specify to execute beginwaitfor time '10: 00' select * From tablenameend

First JS delay loading Copy Code code as follows: In general, the use of settimeout to achieve Second JS finally loaded Insert the following code where you want to insert JS: Copy Code code as follows: Of course, that loading ... You can change your favorite small picture. It looks like an Ajax effect. Then insert at the bottom of the page: Copy Code code as follows: JS Code

Label: In general, the slave relative master delay is large, the root cause is that the replication thread on the slave is not able to really do concurrency. Simply put, in master is the concurrency mode (mainly InnoDB engine) to complete the transaction committed, and on slave, the replication thread has only one SQL thread for Binlog application, so it is no wonder slave in high concurrency will lag far behind master. ORACLE MySQL version 5.6 star

completes the current status update of the document. In fact, it's a skill to jump off the queue for tasks that need to be performed. Back to the previous example, when the JavaScript engine executes the onkeypress, it is not possible to handle the focus and select events that were created at the same time because there is no multithreaded synchronization, since both events are not in the queue and after the completion of onkeypress, The JavaScript

See some large Web sites, pages if there are many pictures of the time, when you scroll to the corresponding row, the current line of the picture is loaded immediately, such as the page in the open only add visual area of the picture, while other hidden pictures are not loaded, a certain program to speed up the speed of the page loading, for the longer page, This is a better plan. The principle is this: the picture below the page is not loaded, wait until the user scroll down to the picture posi

This article mainly records Spring boot integration rabbitmq, divided into two parts, the first part is to create a normal message queue, the second part of the delay message Queue implementation: Spring boot provides support for AMQP-related packets for MQ Message Queuing, which can be introduced: Property Profile Application.properties: #rabbitmq spring.rabbitmq.host=127.0.0.1 spring.rabbitmq.port=5672 spring.rabbitmq.username=root

For MySQL database master-slave replication delay monitoring, we can rely on Percona's powerful weapon pt-heartbeat to achieve. Pt-heartbeat updates a specific table on the main library by using timestamp, and then reads the updated timestamp from the library and then compares it with the local system time to get its delay. This article is mainly through the script regularly check the

------->orders|Customer Now the question is:Order.lineitems This @onetomany lazy delay load is working, find does not find out when the order LineItemsOrder.customer This @onetomany lazy delay load is working, and find does not find out when the order is out of customerOrder.saleprice This @onetoone lazy delay load does not work, find order will be the relevant O

In the actual business we will meet the information produced by the producers, not immediately consume, but delay a period of time in consumption. The RABBITMQ itself does not directly support the delay queue feature, but we can implement the delay queue based on its characteristics Per-queue Message TTL and Dead letter exchanges . You can also set the priority o