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Layer4 - Java, DevOps, BigData & Cloud | blog.layer4.fr Reviews
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Java, BigData, NoSQL & Cloud
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Java Archives - Layer4
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Posted by Vincent DEVILLERS. Fitting Java and Python with JPY. Posted by Vincent DEVILLERS. Knox in production: avoid pitfalls and common mistakes. Posted by Vincent DEVILLERS. Efficient logging with Spring Boot, Logback and Logstash. Posted by Vincent DEVILLERS. Advanced tools: playing with Java Native Access. Posted by Vincent DEVILLERS. JSON pretty print with… Spring Boot. Posted by Vincent DEVILLERS. JSON pretty print with JAX-RS/Jackson. Posted by Vincent DEVILLERS. High performance RSS/Atom parsing.
DevOps Archives - Layer4
https://blog.layer4.fr/category/devops
Efficient logging with Spring Boot, Logback and Logstash. Posted by Vincent DEVILLERS. OS monitoring with… Java. Posted by Vincent DEVILLERS. Find and kill slow running queries in MongoDB. Posted by Vincent DEVILLERS. 8221;) – Bad partitioning (Hbase table with 200 regions with 2MB of data) – Lack of useful indexes – No statistics – Incorrect hardware sizing (in 99.999%, the memory…) – Missing or wrong configuration (aka the default… read more. How to kill Hadoop jobs matching a pattern? Solr: manage tim...
Cloud Archives - Layer4
https://blog.layer4.fr/category/cloud
Microservices and gRPC: Use Atomix as service discovery. Posted by Vincent DEVILLERS. Deploy an application on AppFog using Cloudfoundry vmc tool or Maven plugin. Posted by Vincent DEVILLERS. Fitting Java and Python with JPY. Solr: manage time-based collections. HBase: having fun with the shell. Knox in production: avoid pitfalls and common mistakes. HBase: having fun with the shell - Layer4. On Working with Parquet files. On Knox in production: avoid pitfalls and common mistakes.
Find and kill slow running queries in MongoDB - Layer4
https://blog.layer4.fr/2016/10/06/find-and-kill-slow-running-queries-in-mongodb
Find and kill slow running queries in MongoDB. Posted by Vincent DEVILLERS. In Mongo, or more generally in any data storage engine, queries or updates that take longer than expected to run can be caused by many reasons:. 8211; Slow network. 8211; Wrong schema design (we all have seen the famous all-in-one table…). 8211; Wrong database design (“let’s store 100To of data in a standalone mongod! 8211; Bad partitioning (Hbase table with 200 regions with 2MB of data). 8211; Lack of useful indexes. Now, if aft...
Advanced tools: playing with Java Native Access - Layer4
https://blog.layer4.fr/2016/10/17/advanced-tools-playing-with-java-native-access
Advanced tools: playing with Java Native Access. Posted by Vincent DEVILLERS. This post results from a recent deep diving in the source code of Elasticsearch, which uses JNA mainly for memory management when configuring the mlockall. I will present you how to use JNA in a very simple example: how to check the user who has launched the JVM. First of all, we need JNA:. Import com.sun.jna.Native; import lombok.extern.slf4j.Slf4j; @Slf4j public static final class JNACLibrary { static ...Public class RootTest...
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B'Log: May 2015
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B'Log: November 2013
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B'Log: February 2014
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Layer Blog
How Udacity is using Layer to leverage social connections and retain students. BY: Allison Messner,. Udacity is an online university built for what people need today. Through its unique Nanodegree Program, the company teaches people to work in in-demand, specialized roles like web development, mobile development, and data analysis. The credentials its students earn in these disciplines have quickly become respected and endorsed by employers.… Read more. BY: Allison Messner,. BY: Allison Messner,. Every a...
A Collection of Random Stuff
A Collection of Random Stuff. Hahn’s Macaw bed time. May 29, 2012. Middot; Leave a comment. So MaoMao has been going to bed around 8pm. Day 7 – Wildlife day. March 11, 2009. Middot; Leave a comment. Toad River (07:58) to Big Creek Yukon Government campground (14:30). We spotted so many animals today we almost ran out of room recording them on the whiteboard! Continue reading →. Day 6 – Alaska Highway. November 7, 2008. Middot; Leave a comment. Continue reading →. Day 5 – First windshield crack! Our drive...
layer13 | にっき?
なので、作業をするときは 指なし手袋 靴下 足元にパネルヒーター ネックウォーマー をつけてます。 本当は夜10時や11時に寝て早起きがいいんでしょうけど、 The Power of Less (日本語版は 減らす技術 The Power of LESS. Troubles are chasing me! I want to escape from them. Who’ gathering them? I’m trying to get things done quickly to avoid them, but they still chasing me. I think I’m not a troublemaker… I hope time solves them. Sometimes I get discouraged to live, I find tons of concerns. I know I should be more optimistic person, but It isn’t easy. 8230; Change my mind! Vim の管理を Vundle にしてみた.
Home | Der Layer2 Blog rund um SharePoint und Office 365
Visit our English blog. Layer2 Blog – Leistungen und Lösungen rund um SharePoint und Office 365. Telefon: 49 (40) 28 41 12 - 30. Was ist eigentlich SharePoint? Ursprünglich als reine Zusammenarbeitsplattform entwickelt, ist SharePoint heute weit mehr als das. Lernen Sie die Möglichkeiten von SharePoint für Ihr redaktionelles Intranet, Extranet oder als Internetplattform kennen. Microsoft Cloud: Office 365. Tech-Tipp: TechNet auf Deutsch. Am 6 Januar 2017 von Oliver Herz. Office 365 lässt sich nicht nur ü...
blog.layer2.org
Saturday, May 22, 2010. Running an rssh chroot on Ubuntu Lucid 10.04. I had some trouble getting a chroot running for rssh on Ubuntu Lucid 10.04. I ran the script below:. It created most of the files, but didn't include the right libraries. Here's the minimum file listing I've been able to use:. Saturday, May 30, 2009. How to replace your iPod Touch 2nd gen digitizer / outer glass and bezel frame. If you're like me, you recently had a small accident with your iPod touch. you broke the screen! Video that ...
Layer4 - Java, DevOps, BigData & Cloud
HBase: having fun with the shell. Posted by Vincent DEVILLERS. Knox in production: avoid pitfalls and common mistakes. Posted by Vincent DEVILLERS. Working with Parquet files. Posted by Vincent DEVILLERS. Apache Parquet is a columnar storage format available for most of the data processing frameworks in the Hadoop ecosystem: Hive Pig Spark Drill Arrow Apache Impala Cascading Crunch Tajo … and many more! Using HBase REST API with the Knox Java client. Posted by Vincent DEVILLERS. First, we need to import ...
Улучшитель кармы трафика. Блог Layer7.ru
Улучшитель кармы трафика. Блог Layer7.ru. Что такое улучшитель кармы трафика? Это устройство. Оно устанавливается таким образом, чтобы все данные проходили через него. Карма этих данных улучшится. Мы производим несколько типов таких устройств, старшей линейкой является серия 9000, на сегодня доступна улучшенная модификация УКТ-9000К. Понедельник, 28 февраля 2011 г. Спасибо, мы готовы обсудить сотрудничество. С уважением, Алексей". Если нужен представитель в Новосибирске - пишите-звоните! Наше ведомство о...
layer8.sh
Feed for Layer8 Blog. Follow us on Twitter! 20 Managed WordPress hosting Sova WP, both faster & cheaper than WPEngine. Sova WP is a cloud hosting service specializing in WordPress sites. The β-version of this service was released last month. Sova WP http:/ wp.sova.jp/. The 29 best spots to move you [100 pics]. Have you ever seen an unforgettable superb view? Sometimes, the superb view change your outlook on life. But not many people can go overseas to see a […]. Add New Fonts in Microsoft Windows 8.
Layer By Layer
Layer By Layer Blog. Tuesday, July 2, 2013. Why the 3D Printing Experience Needs to Change. Since the beginning of the personal 3D printer "revolution" in 2007, a community of hard-core makers, engineers, artists, designers, and other technically-oriented individuals has formed around this monumental technology. We've come a long way since then - printers can now be purchased for $200. However, there is one thing that has not changed enough: the 3D printing experience. Old Habits, New Users. Hese are not...
Layered Nylons Blog - Sexy models teasing in lingerie and layers of stockings and nylon pantyhose
Sarah E – Brunette Babe Teases In Red Suspenders, Black Stockings and Pantyhose. July 29, 2015. Sarah looks delightful as she flirts in her lightweight summer frock, lifting it above her thighs to give a tantalizing view of red suspenders and black stockings, over sheer nylon pantyhose. She turns to give a frontal view and show her black panties under the layer of her hose, all nicely framed by the taut red suspenders attached to the tops of her stockings. July 27, 2015. Laura H looks to be dressed for s...
