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GC's past and present lifeAlthough this article is based on the. NET as a goal to tell the GC, but the concept of GC is not just born soon. As early as 1958, the Lisp language, implemented by the famous Turing laureate John McCarthy, had already

GC's past and present lifeAlthough this article is about using. NET as a goal to tell the GC, the concept of GC is not just born soon. As early as 1958, the Lisp language, implemented by the famous Turing laureate John McCarthy, had already provided

What is AWR? AWR (Automatic workload Repository) A bunch of historical energy data, placed on the Sysaux table space, AWR and Sysaux are all 10g, are the key features of Oracle tuning; About 1999 years began to develop, has been 15 years of

Because the performance tuning section of the official book does not index by configuration item, quick query cannot be achieved. So I re-organized the original text with the configuration item drive and added some of my own understandings. If there

Android memory and performance optimization Summary 1. Instant Compilation (Just-in-time Compilation, JIT), also known as Dynamic Translation (Dynamic Translation), is a way to translate bytecode into machine code at runtime, this improves the

Android dalvik heap management, androiddalvik Recently I encountered a dalvik memory-related problem. I have some knowledge about the heap Management of dalvik. Here I will summarize the following three aspects:1. The implementation of java heap is

Zookeeper. session. TimeoutDefault Value: 3 minutes (180000 ms)Description: The Connection timeout between regionserver and zookeeper. After the time-out period expires, the reigonserver will be removed from the RS cluster list by zookeeper. After

Document directory Configuration Optimization Others Hbase client Optimization Configuration Optimization Zookeeper. session. TimeoutDefault Value: 3 minutes (180000 ms)Description: The Connection timeout between regionserver and zookeeper.

Document directory Configuration Optimization Others Hbase client Optimization Link: http://kenwublog.com/hbase-performance-tuning Because the performance tuning section of the official book does not index by configuration item, quick query

Because the official BookPerformanceTuning section does not index by configuration item, it cannot achieve quick query. So I re-organized the original text with the configuration item drive and added some of my own understandings. If there is any