Web應用壓力測試工具，JMeter 2.8 發布

Apache JMeter 是100％的Java桌面應用程序。用于對軟件做壓力測試（例如Web應用）。 它可以用于測試靜態和動態資源例如靜態文件、Java 小服務程序、CGI 腳本、Java 對象、數據庫， FTP 服務器, 等等。JMeter 可以用于對服務器、網絡或對象模擬巨大的負載，來在不同壓力類別下測試它們的強度和分析整體性能。

Apache JMeter 2.8 要求 Java 1.5。詳細記錄：http://jmeter.apache.org/changes.html

核心改進:

Thread Group: 新的選項允許延遲創建線程直到有需要時。

New Option "Delay thread creation until needed" that will create and start threads when needed instead of creating them on Test startup
這個新功能允許短暫的線程數量龐大的運行測試。

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HTTP Cookie Manager (IPv6 support)

Add HTTPClient 4 cookie implementation in JMeter.
Cookie Manager has now the default HC3.1 implementation and a new choice HC4 implementation (compliant with IPv6 address)

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內存和性能方面的改進

Significant improvements have been done in this version on memory usage of JMeterThread

JSR223 Elements (enable using Groovy, scala... as scripting languages) have been improved to enable:

• usage of Compilable interface when available to boost CPU usage
• caching of Compilation when scripts are used as Files
</ul> See JMeter Performances across versions

OS Process Sampler

Allow defining files for stdout/stderr/stdin.

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HTTP Request: PATCH verb

Add PATCH verb to HTTP sampler

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HTTP Request: HTTPClient 4 現在是默認實現

HTTPClient 4 is now the default HTTP Request implementation (and for Proxy element when generating HTTP requests).
Previously the default was the HTTP Java implementation (i.e. the implementation provided by the JVM)

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HTTP Request

Add Embedded URL Filter to HTTP Request Defaults Control (it was already present for HTTP Requests)

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Miscellanous

• CSV Dataset : Embedded new lines are now supported in quoted data
• JMX files now contain the version of JMeter that created the file
• JMeter Version is now available as property "jmeter.version"
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報告方面改進:

  響應時間圖表

Add a new visualizer Response Time Graph to draw a line graph showing the evolution of response time for a test

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Settings for Response Time Graph

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在表格中查看結果

Add latency to View Result in Table listener

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Aggregate Graph

Small improvements: legend at left or right is now on 1 column (instead of 1 large line), ...

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圖形用戶界面和人機工程學的改進：

HTTP Proxy Server simplifications

HTTPS Spoofing options have been removed from Proxy as HTTPS recording is directly available since JMeter 2.4.

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HTTP Proxy Server

Allow URL Filters to be pasted from clipboard

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Find in JMeter

CTRL + F for the new Find feature

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User Interface in GNOME 3

Display 'Apache JMeter' title in app title bar in Gnome 3