runtime broker

many friends asked me about programmatic trading, but I found that the realization of programmatic trading tools, understanding is not enough, as the saying goes good its prerequisite, even if there are good strategic thinking, Unable to find the most suitable for their own programmatic trading solution, and can not be well implemented and implemented. I will take some time to share some of the things I know, I hope to help you understand. Here is a discussion of the stock market and the stoc

Tags: 11.2 mysql tab arch scope show error not docRecently in the customer site to build a disaster tolerance environment, found that encountered a bug, in the case can not be resolved, give up the broker, can still achieve adg,oracle can't realize the dual-master, but MySQL can ha. The official website says to record a bit.OERR: ORA-16597 "Oracle Data Guard broker detects two or more primary databases" (va

A note from Data Guard Broker recently used A Broker to configure and manage Data Guard (Oracle version: 10.2.0.1.0). Earlier databases basically did not set db_domain. When database link is used, global_names = true is enabled, and db_domain is also set. Therefore, the Broker can be successfully used to configure and manage Data Guard settings. Now, no, I cannot

Shortly after returning home in the evening, I took a business call and chatted for more than half an hour to close the line. I thought it was AM. I turned on my computer and wanted to write something, however, my previous thoughts have been interrupted by this phone call, and I have been waiting for a long time to write things. I am lamenting that I cannot write things today. I suddenly saw a person coming up in MSN, this person is my blog broker. M

Recently, data guard (Oracle version: 10.2.0.1.0) is configured and managed using a broker. Earlier databases basically do not have db_domain settings. When database link is used, global_names = true is enabled, db_domain is also set, so we can successfully use the broker to configure and manage data guard settings in the past. Now we can't do it. I can't do it, it's when using the

Does the Data Guard broker change attributes to be executed separately on both sides?Data Guard Broker has some properties that can be seen through show configuration.I sometimes wonder if these attributes, respectively, belong to primary and standby, and ifIf you want to change, do you need to log in to primary and standby separately to modify it?This is also a question that many customers often have. So I

Label:SQL Server Service Broker-related queries --viewing messages in a transport queue --If you try to remove from the queue, the column indicates where the problem occurred Select * fromSys.transmission_queue--View service Broker-activated stored procedures Select * fromSys.dm_broker_activated_tasks--view each session endpoint in the database. The session endpoint represents each end of the service

In the two descriptions of fflib, fflib is a framework built based on the broker mode. The core component diagram is as follows: Http://www.cnblogs.com/zhiranok/archive/2012/07/30/fflib_framework.html Http://www.cnblogs.com/zhiranok/archive/2012/08/08/fflib_tutorial.html In this case, the obvious bottleneck is that there is only one broker. When the number of client and service nodes increases,

ActiveMQ notes (4): Build a Broker cluster and activemqbroker The previous article introduced the two-node HA solution based on Networks of Borkers. This article continues to work with Networks of Brokers. When the scale of applications grows, 2-node brokers may still be unable to withstand access pressure. At this time, more brokers are required to create a larger broker cluster, but how can we reasonably

Hi everybody good last two chapters introduced the NAMESRV start and the registration process, has what is wrong place to welcome everybody to vomit the trough, then starts analyzes the broker bar650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/6B/80/wKioL1UvaO-y9NPAAAHjYRrPpLA464.jpg "title=" 1.jpg " alt= "Wkiol1uvao-y9npaaahjyrrppla464.jpg"/>There are some places that can't be painted. Look at the details by analysis.1,Createbrokercontroll

Preparatory workMB run depends on MQ, so install the MQ,MQ installation process slightly, and later assume that you already have the basics about MQ, such as queue managers, queues, channels, and so on.After installing MQ , create a Queue Manager (QM) named TESTQM (MQ objects are case-sensitive, in order to avoid unnecessary trouble, here the uniform uppercase, underlined), this queue manager is the basis of the MB run, When you create a Configuration Manager, agent, and execution group with a M

Kafka partition and the allocation of replicas in brokerPart of the content is referenced from: http://blog.csdn.net/lizhitao/article/details/41778193The following is an example of 4 brokers in a Kafka cluster, creating 1 topic containing 4 partition,2 Replication; data producer Flow:(1)Pic(2) When a new 2 node is added to the cluster, the distribution of partition to 6 is as follows:The copy assignment logic rules are as follows:In a Kafka cluster, each bro