How To Upgrade Mongodb

Serendip is a social music service, used as a http://www.aliyun.com/zixun/aggregation/10585.html "> Music sharing" between friends. Based on the "people to clustering" this reason, users have a great chance to find their favorite music friends. Serendip is built on AWS, using a stack that includes Scala (and some Java), Akka (for concurrency), play framework (for Web and API front-end ...).

Serendip is a social music service, used as a http://www.aliyun.com/zixun/aggregation/10585.html "> Music sharing" between friends. Based on the "people to clustering" this reason, users have a great chance to find their favorite music friends. Serendip is built on AWS, using a stack that includes Scala (and some Java), Akka (for concurrency), play framework (for Web and API front-end ...).

Motor 0.3.2 Released, this version compatible http://www.aliyun.com/zixun/aggregation/13461.html ">mongodb 2.2,2.4 and 2.6, minimum requirements Pymongo 2.7.1. This release fixes the socket leak in the "copy_database" method and rewrites "Let Us now Prais ...

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 ...

I have not written a blog for almost a year, it must be an excuse to say that there is no time, but the only reason is that when I get older, I find myself superficial. And some of their ideas have not been waiting to write, found that the original is very naïve, so dare not send to laughable. However, this time I would like to tell you a little story: once there were three cock silk, they gather together to do the network, they provide free network services, and even zaguomaitie, all night, in addition to selling kidney they have done. And in 3 years, they finally did 5 million users, I think for young people, can put 5 million ...

With the rise of internet web2.0 websites, the relational database has become a very hot new field, the development of the non relational database products is very rapid. 　　But the traditional relational database in dealing with web2.0 website, especially the super large-scale and high concurrent SNS type web2.0 pure dynamic website already appeared to be powerless, has exposed many insurmountable problems, for example: 1, high configured--to the database higher concurrent reads and writes the demand WEB2.0 website to be based on user personalized information to generate real-time dynamic ...

Splunk recently announced the launch of version 6.1 Hunk:splunk Analytics for Hadoop and NoSQL data Stores for Hadoop and NoSQL data Stores. Hunk 6.1 makes it quicker and easier to convert raw unstructured data from Hadoop and NoSQL data storage into business insights. Hunk's upgrade report significantly shortens reporting time, while interactive dashboards provide rich self-help analysis without the need to ...

October 20, "Grand Cloud" (www.grandcloud.cn) announced its products Mongoic officially open to the outside, this is China's first professional http://www.aliyun.com/zixun/aggregation/13461.   HTML >mongodb Cloud Service is the first MongoDB cloud service in the world to support database recovery. "Grand Cloud" Mongoic homepage "Grand Cloud" Mongoi ...

In 2013, "Big Data" replaced "cloud computing" as the most sought-after it hot word. 　　However, this technology concept is still a long way from vigorous application. Over the past year, large data has been mentioned frequently on a wide variety of occasions, and the technical conference on large data subjects is your song. According to the technology maturity curve of the research institute Gartner, the big data at this stage are climbing to the peak of the so-called "expected expansion period". Although in the evolution of large data technology, we saw a lot of progress in 2013, including the open source framework representative ...

It was easy to choose a database two or three years ago. Well-funded companies will choose Oracle databases, and companies that use Microsoft products are usually SQL Server, while budget-less companies will choose MySQL. Now, however, the situation is much different. In the last two or three years, many companies have launched their own Open-source projects to store information. In many cases, these projects discard traditional relational database guidelines. Many people refer to these items as NoSQL, the abbreviation for "not only SQL." Although some NoSQL number ...