replication

问题 In one of the lotus notes db, too frequent replication/save conflicts are caused reason being a scheduled agent and any user working on the document at the same time. is there any way to avoid this. Thanks, H.P. 回答1: Several options in addition to merging conflicts: Change the schedule The best way to avoid it is to have your scheduled agents running at times when users are not likely to be accessing the system. If the LastContact field on a Client document is updated by an agent every hour

问题 First, let me describe the environment we have. Currently, we are deploying a project on a JBoss AS 7 application server in a remote computer somewhere. As of now, this JBoss has been clustered into 4 nodes. 2 servers split into two sub-server groups: Server One Server One - 1 Server One - 2 Server Two Server Two - 1 Server Two - 2 NOTE: Deploying the app in JBoss with these active effectively makes it available to all of them. It's like deploying the same app to all four of them. That said,

问题 i am relatively new to r, so any help is appreciated sample dataset, also attached an image of the dataset. image is of sample dataset a B C D 12.97221, 64.78909 1 2 69.64817, 321.90037 2 28 318.87946, 259.29946 3 5 326.17622, 94.7089 9 8 137.54006, 325.34917 5 88 258.06002, 94.77531 6 63 258.92824, 322.20164 7 64 98.57514, 12.96828 8 34 98.46303, 139.27264 9 21 317.22764, 261.25563 10 97 my Goal: i need to 1) look at value in column A 2) find the nearest/closest number in column B 3) test to

问题 One server increment 1, 3, 5. The other server increment 2, 4, 6 回答1: Based on this insightful tutorial: http://www.howtoforge.com/mysql_master_master_replication#comment-12927 Make Master 1 only auto-increment odd numbers by adding this to my.cnf under [mysqld]: auto_increment_increment= 2 auto_increment_offset = 1 Make Master 2 only auto-increment even numbers by adding this to my.cnf under [mysqld]: auto_increment_increment= 2 auto_increment_offset = 2 来源： https://stackoverflow.com

问题 I have a merge replication setup, I have applied static filters so as to send only specific rows to the subscribers from a publisher (table) say 'X' the filter is " where Name Starts with ( Select sub-query which returns 'T') ". Now after sync the filters are applied and the rows are synced. E.g: The subscribers will have the following 3 rows. ID Name 1 Tom 2 Tiger 3 Tim Now i go to the Publisher and delete the row 3. And sync again. The deletion is not propagated to the subscriber, and the

问题 im using sql server 2012 and transactional replication in it. im trying to replicate a view which has a specific database role attached in the permissions. this is my replications script for the view :setvar SubscriberDB "ReplicationSubscriberDB" :setvar SubscriberServerName "HYDHTC0131320D\MSSQLSERVER2" :setvar PublisherDB "PublisherDB" :setvar PublisherServerName "HYDHTC0131320D" :setvar ReplicationAccount "myusername" :setvar ReplicationAccountPassword "mypassword" GO :on error exit GO

问题 Consider following configuration - 2 Shard server each has 1-replica set (say rs0 and rs1). 3 config server and 1 query router (mongos) The above sharding configuration is working fine. But, i want to execute read-only query from sharded replica set (from secondary of rs0 and rs1). Since, the mongodb data are exists in both replica set rs0 and rs1. So, how to configure this, to fetch the data from both secondary of rs0 and rs1?. 回答1: Your sharding setup should not impact the use of read

问题 I am currently have a single SQL 2005 server. I would like to replicate to a SQL 2008 Web Edition server. Is it possible to setup replication from a SQL 2005 Standard Edition publisher to a SQL 2008 Web Edition subscriber. What is the best choose for replication type? Are there any major problems with this setup? 回答1: Is it possible yes. (edition feature support) Replication type is really down to what you are going to use the data for If its two way live data changes then merge replication

问题 First of all, I am pretty new to AWS, so my question might seem very amateur. I am a developing a web application which needs to available globally and currently am hosting it on amazon. Since the application is still under development, i have set it up in the Singapore region. However, when i test the application, i get good response times from locations on the the east side of the globe(~50ms). However, when i test the response times from the US, it's ~550ms. So we decided to have 2

问题 I have a query regarding the merge replication. Is there any stored procedure which gives me exactly the column values that have been changed at the server, because of which the row will be replicated to the subscriber in the next replication session ? I have looked at this link http://www.replicationanswers.com/Script9.asp which allows me to get the info of all the rows that need to be replicated. But i want to know the specific columns that have changed for these rows. 回答1: You can