谷歌应用程序引擎1.6.4在本地较慢吗? [英] Is google app engine 1.6.4 slower in local?
问题描述
原始问题
自从我将版本从1.6.3改为。到1.6.4我在宿主模式下遇到了与GWT一起工作的严重性能问题。
更新18/04/2012
在dev环境下,该问题在1.6.4.1中也是可再现的。
现在最好的是降级到1.6.3 b
更新09/07/2012
根据Kris Giesing的说法:
在1.7.0中仍然没有确定。在1.4.3中处理需要330ms,在1.6.3中处理415ms的请求需要在1.7.0中处理13740ms。这是根据Java分析代码(无I / O)计算出来的 - 几乎是40倍的放缓。
更新09/08/2012
Google确认了问题7282 的谷歌appengine的公共问题列表。
这是1.6.4中确认的性能回归。我们(谷歌)正在整理一个包含修复程序的补丁,我们将尽快提供。
对不起,麻烦
(我是引入回归的人)
Original issue
Since I changed the version from 1.6.3. to 1.6.4 I get serious performance problems working together with GWT in hosted mode.
Update 18/04/2012
The issue is reproductible also in 1.6.4.1 in dev environment. By now the best is to downgrade to 1.6.3
Update 09/07/2012
According to Kris Giesing: This is still not fixed in 1.7.0. A request that takes 330ms to process in 1.4.3, and 415ms to process in 1.6.3, takes 13740ms to process in 1.7.0. That's from timing the Java analysis code (no I/O) - almost a 40x slowdown.
Update 09/08/2012
Google acknowledged the problem in the issue 7282 of google appengine's public issue list.
This is a confirmed performance regression in 1.6.4. We (Google) are putting together a patch that contains a fix and we'll make it available as soon as we can.
Sorry for the trouble
(I'm the guy who introduced the regression)
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