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Tasks in present | Xinyuer's Space
https://xinyuer.wordpress.com/2012/02/16/tasks-in-present
Xinjiacs at gmail.com. February 16, 2012. 1 grep command and regular expression. This entry was posted in Programming and Research. Leave a Reply Cancel reply. Enter your comment here. Fill in your details below or click an icon to log in:. Address never made public). You are commenting using your WordPress.com account. ( Log Out. You are commenting using your Twitter account. ( Log Out. You are commenting using your Facebook account. ( Log Out. You are commenting using your Google account. ( Log Out.
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VoltDB内存数据库的十大FAQ | Xinyuer's Space
https://xinyuer.wordpress.com/2014/08/05/voltdb内存数据库的十大faq
Xinjiacs at gmail.com. August 5, 2014. VoltDB与传统数据库 如DB2,Oracle,MySQL等 最大的不同点就是,VoltDB把全部数据放在内存里,并且可以scale out,运行在一个集群上,集群上的每个节点都可以执行部分数据处理任务。 VoltDB官网 http:/ voltdb.com/. VoltDB还支持JDBC,ODBC soon 等接口,客户端也支持语言C#,C ,Erlang,Go,Java,JSON,Node.js,PHP,Python,Ruby等。 因此,VoltDB更加适合OLTP类型的应用,可以有效提高数据库高并发下的系统吞吐量,常见的应用有几类 a 需要实时交互的大型多人在线游戏,b 在线广告业务,c 移动电信通讯业务,d 银行或股票交易系统,e 在线商城 如淘宝,京东等 ,f 网络实时监控或传感器应用等. 单台家用笔记本上,也能跑出7,8万TPS transactions per second。 文中对比了YCSB benchmark在云端的测量数据,结论是 VoltDB系统吞吐量可以 根据集群的节点数线性增长. You are ...
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Xin | Xinyuer's Space
https://xinyuer.wordpress.com/author/jxchinaren
Xinjiacs at gmail.com. August 5, 2014. VoltDB与传统数据库 如DB2,Oracle,MySQL等 最大的不同点就是,VoltDB把全部数据放在内存里,并且可以scale out,运行在一个集群上,集群上的每个节点都可以执行部分数据处理任务。 VoltDB官网 http:/ voltdb.com/ 2. VoltDB支持SQL吗 支持Transaction吗 VoltDB支持大多数SQL语句,目前还在不断增加对SQL的支持。 VoltDB还支持JDBC,ODBC soon 等接口,客户端也支持语言C#,C ,Erlang,Go,Java,JSON,Node.js,PHP,Python,Ruby等。 3 VoltDB适用于什么类型的应用 大数据领域可以分两类 a 数据总量大,b 单个数据元小,但数据产生快,有大量高并发。 4 VoltDB数据库性是用什么语言写的 VoltDB使用的语言大致分两种,底层引擎是C/C ,上层的SQL语义处理,并发管理,分布式集群等任务都是Java。 Command … Continue reading →. August 4, 2014.
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Xinyuer's Space | xinjiacs at gmail.com | Page 2
https://xinyuer.wordpress.com/page/2
Xinjiacs at gmail.com. Newer posts →. February 14, 2012. Is a unit testing framework for the Java programming language. JUnit has been important in the development of test-driven development, and is one of a family of unit testing frameworks collectively known as xUni. T that originated with SUnit. JUnit is linked as a JAR at compile-time; the framework resides under packages junit.framework for JUnit 3.8. And earlier and under org.junit for JUnit 4. Test fixture in xUnit. Four phases of a test:. Git bra...
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美国F1签证过期在UK续签 | Xinyuer's Space
https://xinyuer.wordpress.com/2012/02/19/美国f1签证过期在uk续签
Xinjiacs at gmail.com. February 19, 2012. 1 http:/ london.usembassy.gov/students.html. 大使馆说 建议回home country续签,拿到签证的机率大,而起在home country不用预约面前,去中信银行递签3-5天就能有结果。 Visa Services during the Summer. This entry was posted in Other. Leave a Reply Cancel reply. Enter your comment here. Fill in your details below or click an icon to log in:. Address never made public). You are commenting using your WordPress.com account. ( Log Out. You are commenting using your Twitter account. ( Log Out. Recent Posts by Xin.
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My EC2 test related problem recording | Xinyuer's Space
https://xinyuer.wordpress.com/2012/02/25/my-ec2-test-related-problem-recording
Xinjiacs at gmail.com. Important Concepts →. My EC2 test related problem recording. February 25, 2012. Problem 1:E: Package sun-java6-jdk has no installation candidate. Requested: apt-get –yes install git-core gcc g sun-java6-jdk valgrind ant htop realpath unisonExecuted: sudo -S -p ‘sudo password:’ /bin/bash -l -c “apt-get –yes install git-core gcc g sun-java6-jdk valgrind ant htop realpath unison”). See page: http:/ goo.gl/8J574. 1 Install the OpenJDK: sudo apt-get install openjdk-6-jdk. Problem 5: Soc...
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Important Concepts | Xinyuer's Space
https://xinyuer.wordpress.com/2012/03/25/important-concepts
Xinjiacs at gmail.com. My EC2 test related problem recording. Pronunciation for NOW and NULL →. March 25, 2012. 2 ACID, materialized join, NestedLoopJoin,. 5 Synchronous — Asynchronous. 6 Consistency — Inconsistency. 7 Snapshot, checkpoints. 9 Words: pairwise, wait-free, lock-free, inter-process interactions. bounded, unbounded. 10 Copy on write, fork, process, thread, parent and child. 11 Gossip protocol, epidemic protocol. 12 Git revert, reset, checkout:. 13 RISC —. 15 Paper related topics:. Build a we...
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Pronunciation for NOW and NULL | Xinyuer's Space
https://xinyuer.wordpress.com/2013/11/25/pronunciation-for-now-and-null
Xinjiacs at gmail.com. 传统数据库没落,OLTP新型数据库发展火热 一 →. Pronunciation for NOW and NULL. November 25, 2013. Paul got confused when I said “Now” or “NULL”. And I should make sure that I pronounce it correctly. This entry was posted in Other. 传统数据库没落,OLTP新型数据库发展火热 一 →. Leave a Reply Cancel reply. Enter your comment here. Fill in your details below or click an icon to log in:. Address never made public). You are commenting using your WordPress.com account. ( Log Out. Notify me of new comments via email.
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美国F1签UK | Xinyuer's Space
https://xinyuer.wordpress.com/2012/02/19/美国f1签uk
Xinjiacs at gmail.com. February 19, 2012. 资料 http:/ www.ukba.homeoffice.gov.uk/countries/usa/? 签证类型 短期general visitor( up to 6 months, single or multiple entry. To apply for a visa, you must:. Complete and submit a visa application form online;. Pay for your visa online and be able to show proof of on-line payment (this will be shown on your online application form). The Visa application fees and guides. Pages explain how much your visa application will cost;. This entry was posted in Other. You are comm...