Java's new Z Garbage Collector (ZGC) is very exciting
Java 11 has recently been feature frozen and contains some really great features, one in particular we’d like to highlight. The release contains a brand new Garbage Collector, ZGC, which is being developed by Oracle that promises very low pause times on multi-terabyte heaps. In this article we’ll cover the motivation for a new GC, a technical overview and some of the really exciting possibilities
Garbage Collectionについてちょっと調べてみた - wyukawa's diary
HBaseのJuliet PauseをきっかけにしてGarbage Collection(以下GC)についてちょっと調べてみました。そういえば長年Javaでお仕事している割にはGCのこと全然知らなかった（汗 GCというのは不要になったメモリを回収することをいいますがそのアルゴリズムにはいくつかあって代表的なものとして以下の2つがあります。 Mark Sweep GC Coping GC Mark Sweep GCはオブジェクトをアプリケーションからたどっていってMarkしていきます。Markが無いのは使われていないオブジェクトなのでSweepします。メリットは実装が簡単なことでデメリットはメモリの断片化、フラグメンテーションが起きることです。 Coping GCはヒープ領域を2つに分けてオブジェクトをコピーしたり移動したりすることです。メリットはスループットが高いことやフラグメンテーション
Dealing With JVM Limitations in Apache Cassandra
A couple of most notable NoSQL databases targeting large scalable systems are written in Java: Cassandra, HBase, BigCouch. Then there’s also Hadoop. Plus a series of caching and data grid solutions like Terracotta, Gigaspaces. They are all facing the same challenge: tuning the JVM garbage collector for predictable latency and throughput. Jonathan Ellis’s slides presented at Fosdem 2012 are coverin
Cloudera Blog
In an era where artificial intelligence (AI) is reshaping enterprises across the globe—be it in healthcare, finance, or manufacturing—it’s hard to overstate the transformation that AI has had on businesses, regardless of industry or size. At Cloudera, we recognize the urgent need for bold steps to harness this potential and dramatically accelerate the time to […] Read blog post
Tuning Java Garbage Collection for Web Services
Since I've been declared the local Java Garbage collection guru[1], I've found myself answering the same kinds of questions over and over. "Why am I getting frequent GC pauses?", "How do I avoid long GC pauses?", "Concurrent mode failure - how bad is that?" In the spirit of teaching people to fish, I thought I'd get together a blog post on how you (yes, you!) can tune the garbage collector for som
1
リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
処理を実行中です
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く
Java Platform, Standard Edition HotSpot Virtual Machine Garbage Collection Tuning Guide
http://codedependents.com/2011/06/10/java-heaps-and-garbage-collection-with-some-zazz/
