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From Eugeny N Dzhurinsky <eugeny...@jdevelop.com>
Subject Re: performance (again)
Date Thu, 13 Oct 2005 15:41:38 GMT
On Thu, Oct 13, 2005 at 06:34:05PM +0300, Eugeny N Dzhurinsky wrote:
> Well, i'm really stucked.
> I created this code (see attachment) to create respository. It creates
> 5-leaves tree with depth = 5. (each node has 6 children nodes and 10
> properties).
> 
> I started this at 5:20 PM and it is 6:30 PM now, but it's still working.
> It seem to create complete tree with 30 minutes, and started to write it on
> the disk. Previous time it wrote 19300 nodes (or soemthing like this) in 1.5
> hour.

okay, here is the output:
[java] DEBUG 13/36/05 06:36:17 [main] (JCRTest:116) - Build 19530 in 4119509
ms
[java] DEBUG 13/36/05 06:36:17 [main] (JCRTest:119) - Traverse 19530 in 25234
ms
[java] DEBUG 13/36/05 06:36:17 [main] (JCRTest:121) - node  found in 1 ms

search and traverse speed is really impressive (traverse includes log4j, so I
assume clean time will be something like 15 seconds or so)

Getting node by name looks cool too, but what about building time???

I'm running FreeBSD 4.11 with native BSD JDK 1.4.2 on P-IV 2.6 GHz with 512 Mb
ram

the JVM parameters are -Xms128m -XMX512m

-- 
Eugene N Dzhurinsky

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