Database Migration Script

In mailbox rapid expansion process, one of the performance problems is the MongoDB database level write lock, the time spent in the lock waiting process, directly reflects the user's use of the service process delay. To address this long-standing problem, we decided to migrate a common set of MongoDB (storing mail-related data) to a separate cluster. According to our inference, this will reduce the lock latency by 50%, and we can add more fragments, and we expect to be able to optimize and manage different types of data independently. We start from Mon ...

In the present case, it is clear that the enterprise can choose to verify the cloud application migration business case. It also shows that the technical problems associated with cloud migration can ruin business cases, disrupt applications and even produce other aspects of performance and stability of such applications. Application architects who consider implementing cloud migration need to review their entire application lifecycle management (ALM) processes. Otherwise, they should pay special attention to managing performance and reliability, ensuring compliance and security, and ensuring operational efficiency and stability in cloud computing. In general, deployment, redeployment, mainly through manual operation ...

Companies are clearly able to choose a business case for verifying cloud application migrations. However, it is clear that the technical problems associated with cloud migration can ruin business cases, disrupt applications and even generate other aspects of application performance and stability. Application architects who consider implementing cloud migration need to review their entire application lifecycle management (ALM) processes. In addition, however, they should pay special attention to managing performance and reliability, ensuring compliance and security, and the emphasis on ensuring operational efficiency and stability in cloud computing. Typically, deployment, redeployment, and management is done primarily through human operations ...

Migrating applications is not an easy task. Whether you want to move your local infrastructure to the cloud, or spread across multiple cloud vendors, you will face obstacles. Transferring virtual machines, migrating data, and configuring networks can cause problems during migration. Migrate virtual machines. There are many options for migrating virtual machines between the local infrastructure and the cloud: using shared machine image formats, importing, or refactoring. The simplest option for migrating VMS is to share picture formats across multiple platforms. By choosing a cloud provider, IT managers are likely to weigh several factors on their existing VM image file format, so ...

Windows Azure is Microsoft's cloud infrastructure platform, and today, cloud computing has been widely used in many ways, so it has become a major part of Microsoft's overall strategy, and as a Windows Azure SQL database (formerly known as SQL Azure), Windows Azure has developed a lot of power. Microsoft has great expectations for azure, especially for Windows Azure SQL database (for simplicity, hereinafter referred to as SQL A ...).

ORA2PG 8.7 This version adds multithreading and speed to lob export. Fixed and improved some major errors. ORA2PG can be used to convert an Oracle database into a PostgreSQL tool. A Perl module exports an Oracle database schema to a PostgreSQL-compliant schema. It connects the Oracle database, extracts its structure, and generates a SQL script that you can load into your PostgreSQL database. Process or dump an Oracle online ...

To use Hadoop, data consolidation is critical and hbase is widely used. In general, you need to transfer data from existing types of databases or data files to HBase for different scenario patterns. The common approach is to use the Put method in the HBase API, to use the HBase Bulk Load tool, and to use a custom mapreduce job. The book "HBase Administration Cookbook" has a detailed description of these three ways, by Imp ...

The traditional It delivery model has many problems, whether from the delivery cycle or from planning to experience, there are a lot of difficult to determine the factors, many times because of some subjective or objective reasons cause project lag or miscarriage. Today to recommend the SaaS Pioneer Enterprise called Cloud technology, founder Shipeixin is to see the current enterprise IT delivery pain point, in September 13 began to build the first fully automatic and full self-service enterprise cloud service platform. It can be considered "a platform to subvert the existing enterprise IT delivery model, a community of application experience and software learning, a professional it person ...

With the concept of cloud computing gradually being the concern of people, the gradual application in China, the cloud computing new things - cloud storage applications, as the current front-end products closest to the end user, has been the industry's attention and Fierce competition. In recent years, mobile office storage, communications data storage companies emerge in an endless stream of public attention. The rise of mobile Internet also makes the traditional mobile terminal enterprises began to aim at the cloud storage of this fragrance. Some time ago, Aliyun developers conference held in Hangzhou, the comprehensive inventory of Aliyun platform construction over the past year, technological innovation and so on ...

Cloud computing is still one of the hottest terms in the IT field, in various technical forums or seminars, you can hear everyone in the discussion cloud, the participants include hardware vendors, software vendors, enterprise users. Unlike the idea of just talking about the cloud, and looking at the future of cloud computing, the words that are now being talked about are cloud devices, cloud platforms and cloud applications, from waiting to wait for the practice of cloud computing. Some people say that cloud computing is a big technological revolution, bringing great technological innovation. Some people say that cloud computing is a kind of market concept, is a packaging of the original technology, but ...