Hash Index Database

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A database caching solution that supports 10 million PV

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host technology Hall willing to network support 10 million pv/database caching system is mainly built in hibernate Above the efficient database caching system, which contains a distributed solution, the system has been used to be willing to online, did not find a big problem, I also believe that the system is strong enough to cope with millions of ...

Inventory 2013:21 Best Open Source database

As a software developer or DBA, one of the essential tasks is to deal with databases, such as MS SQL Server, MySQL, Oracle, PostgreSQL, MongoDB, and so on. As we all know, MySQL is currently the most widely used and the best free open source database, in addition, there are some you do not know or useless but excellent open source database, such as PostgreSQL, MongoDB, HBase, Cassandra, Couchba ...

Web site Optimization: Database optimization

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall of the current web2.0 program, a big bottleneck is the database swallow metric."   However, how to determine the bottleneck of the system is a database, because only to determine the database is the bottleneck of the entire system, we have to optimize him, after all, there are so many needs to wait for us to do.   How do I determine that a database is a bottleneck? ...

Alipay supports the technical realization of the peak of database request for double eleven 42 million times / sec

After more than eight years of practice, from Taobao's collection business to today to support all of Alipay's core business, and in the annual "Double Eleven Singles Day" continue to create a world record for the transaction database peak processing capacity.

Want to expand your database? Well, first I'm going to know.

As a http://www.aliyun.com/zixun/aggregation/6434.html "> software developer, we value the abstraction of things." The simpler the API, the more attractive it is to us.   Dialectically, the biggest advantage of MongoDB is the "elegant" API and its agility, which makes the coding process of developers unusually simple. However, when MongoDB involves large data scalability issues, developers still need to know the bottom of it ...

Optimization of caching parameters for MySQL database performance optimization

In peacetime is asked the most questions about the MySQL database performance optimization issues, so recently intended to write a MySQL database performance optimization of the series of articles, I hope that the junior high level MySQL DBA and other interested in MySQL performance of friends to help. Databases are IO-intensive applications whose primary responsibility is data management and storage. And we know that the time to read a database from memory is the microsecond level, and reading an IO from a common hard disk is at the millisecond level, both ...

8 Kinds of NoSQL database system comparison (turn)

Comparison of 8 kinds of NoSQL database system: Kristóf Kovács Editor: Agile translation: Tang Yuhua share: More: Kristóf Kovács is a software architect and consultant who recently published an article comparing various types of NoSQL databases. The article is compiled by Agile translation-Tang Yuhua. If you want to reprint, please refer to the text after the declaration. Although SQL database is very useful ...

8 Kinds of NoSQL database system comparison (turn)-Oak_sun

1. Languages used in COUCHDB: Erlang features: DB consistency, easy to use license: Apache protocol: http/rest bidirectional data replication, continuous or temporary processing, processing with conflict checking, therefore, The use of Master-master replication (see note 2) mvcc– write without blocking read operation Pre-save version crash-only (reliable) design requires data compression view: Embedded mapping/Reduce formatted view: List display support for server ...

DEDECMS database Structure table name: dede_downloads

DEDECMS database Structure table name: Dede_downloads field description is as follows: Table name: Dede_downloads (ENGINE=MYISAM/CHARSET=GBK) Description: File download table field name description describes specific parameters downloads Download count unsigned not null DEFAULT ' 0 ', hash download hash code char (+) NOT NULL, I ...

DEDECMS database Structure table name: Dede_search_cache

DEDECMS database Structure table name: Dede_search_cache field description is as follows: Table name: Dede_search_cache (ENGINE=MYISAM/CHARSET=GBK) Description: Query 5603.html "> Cache table Field Name Description describes the number of Rsnum query results mediumint (8) unsigned not NULL DEFAULT ' 0 ', lastt ...

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