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Java Follow 434 Followers

Oracle Consolidates the OpenJDK 10 Repository Forest

by Abraham Marín Pérez Follow 6 Followers on  Sep 29, 2017

Joe Darcy, technical lead for infrastructure in JDK at Oracle, has announced the consolidation of repositories for OpenJDK 10. The move aims to reduce the overhead of managing the forest of repositories that OpenJDK was hitherto split into. OpenJDK 9 and the previous will remain a forest, reason for which tools have been created to move changes across consolidated and unconsolidated versions.

Development Follow 194 Followers

10 Weeks to QCon New York: Keynotes Announced and Early Peek into the Speaker Lineup

by Wesley Reisz Follow 9 Followers on  Apr 24, 2017

QCon New York (the 6th annual software conference) is just 10 weeks away. June 26-28 QCon returns to its new location at Times Square’s Marriott Marquis, but with the same great lineup of speakers. 2017 features speakers from Stitch Fix, Google, Netflix, Lyft, Pivotal, Redis Labs, among others.

Java Follow 434 Followers

The Last Frontier in Java Performance: Remove the Garbage Collector

by Abraham Marín Pérez Follow 6 Followers on  Mar 01, 2017 13

A new JEP draft has been filed to create a no-op garbage collector: a GC that doesn't actually reclaim memory. This is aimed at aiding JVM implementers and researches and, to a lesser extent, ultra-performant applications that generate little to no garbage. If the JEP goes ahead, the new GC would be available together with the existing ones, and would have no effect unless explicitly activated.

Java Follow 434 Followers

Java 9 Will Adjust Memory Limits if Running with Docker

by Abraham Marín Pérez Follow 6 Followers on  Feb 21, 2017

A first experimental change has been added to Java 9 so the JVM can understand that it is running within a container and adjust memory limits accordingly. Despite the increase in popularity of containers, many tools, including the JVM, still rely on the host's parameters to assess available resources, oftentimes running out of memory. This change tries to prevent many of those scenarios.

Java Follow 434 Followers

JVMs Across the Data Center and Twitter's JDK

by Dylan Raithel Follow 4 Followers on  Nov 08, 2016

The Twitter Sponsored Solutions track at QConSF2016 features an engineering talk on JVMs Across the Data Center and unveils an in-house OpenJDK fork, the Twitter-JDK, with noted potential open-sourcing or release to broader public.

Java Follow 434 Followers

Ahead-of-Time (AOT) Compilation May Come to OpenJDK HotSpot in Java 9

by Monica Beckwith Follow 199 Followers on  Oct 01, 2016

OpenJDK HotSpot may get Ahead-of-Time (AOT) compilation as early as Java 9. InfoQ covers the proposal submitted in September 2016.

Java Follow 434 Followers

Oracle Paves the Way to Standardise Command Line Options in the JDK

by Abraham Marín Pérez Follow 6 Followers on  Jul 27, 2016

Oracle has created JEP 293 to introduce a set of guidelines for command line options in JDK tools in an attempt to fix the existing disparity among them. The JEP has no target version yet, meaning it will be delivered with Java 10 as soonest; however, taking into account that the scope is only to create a set of guidelines for new options, it may take even longer for the effects to be felt.

Java Follow 434 Followers

Initial Implementation of Module System Pushed to JDK 9 build 111

by Monica Beckwith Follow 199 Followers on  Mar 28, 2016

Project Jigsaw has been in the works for a while now. On March 22nd 2016, an initial implementation of 'Module System' which is the last major component of Project Jigsaw, was pushed to JDK 9 in early access build 111.

Java Follow 434 Followers

JEP 286 Proposes Extending Type Inference to Local Variables in Java

by Alex Blewitt Follow 2 Followers on  Mar 11, 2016

A feature proposal to extend type inference to local variables in Java has been posted to the JEP discussion list, asking for feedback regarding the feature. InfoQ looks at the proposal and what it might mean for the Java platform.

Java Follow 434 Followers

Jigsaw Finally Arrives in JDK 9

by Alex Blewitt Follow 2 Followers on  Mar 11, 2016

Alan Bateman has sent a mail to the JDK-9 development list, indicating that a snapshot of Jigsaw will be integrated later this month. InfoQ looks in deeper to see what this will mean.

Java Follow 434 Followers

Oracle's OpenJDK Cleanup of "Unsafe" Implementation

by Monica Beckwith Follow 199 Followers on  Feb 29, 2016

As Java 9 approaches general availability, many of the defining JEPs are starting to take final shape. JEP 260 (Encapsulate Most Internal APIs) proposes to expose the functionality of the controversial sun.misc.Unsafe class via variable handles, and a new posting to the JDK Bug tracker proposes further optimizations and cleanups for Unsafe.

Java Follow 434 Followers

Q&A with Aleksey Shipilev on Compact Strings Optimization in OpenJDK 9

by Monica Beckwith Follow 199 Followers on  Feb 04, 2016

OpenJDK 9 introduces the compact strings optimization. InfoQ interviews Oracle Java performance engineer Aleksey Shipilev to understand more about this optimization and its performance impact.

Mobile Follow 68 Followers

What Impact Will OpenJDK Have on Android Development?

by Abel Avram Follow 4 Followers on  Jan 08, 2016 9

We distill here some of the reactions around the web regarding Google’s adoption of OpenJDK for future Android versions.

Mobile Follow 68 Followers

Android will Use the OpenJDK

by Abel Avram Follow 4 Followers on  Dec 30, 2015 2

Hacker News has reported on an Android source code commit that suggests that Google’s mobile operating system is switching the implementation of their Java libraries from the original Harmony-based one to OpenJDK. The move has been confirmed by Google to VentureBeat.

Java Follow 434 Followers

OpenJDK 9: Life Without HPROF and jhat

by Monica Beckwith Follow 199 Followers on  Dec 11, 2015 2

OpenJDK will decommission the HPROF agent and remove the jhat tool from JDK 9. InfoQ covers options that supersede these commandline JDK tools.

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