[jcifs] 0.6 speed!

[Kurien Mathew]

I would agree too. Performance has improved considerably.

However when I execute "java SmbCrawler smb://workgroup 1" there is a
consistent 6 sec delay just before my host is listed. The remote hosts are
listed without any delay.

Any particular reason?

Kurien


> -----Original Message-----
> From: jcifs-admin at lists.samba.org [mailto:jcifs-admin at lists.samba.org]On
> Behalf Of Rob Wygand
> Sent: Thursday, December 06, 2001 11:05 AM
> To: jcifs at samba.org
> Subject: [jcifs] 0.6 speed!
>
>
> Mike, et. al.,
>
> I wanted to share with you some performance numbers we saw when
> upgrading from jCIFS 0.5r1 to 0.6b3.
>
> I ran a couple tests of browsing directories and getting file properties
> on each file in the directory, basically:
>
> Get a URL
> Create an SmbFile from it
> Call SmbFile.list()
> For each result:
>    Create an SmbFile
>    Call isDirectory()
>    Call canRead()
>    Call canWrite()
>    Call getName()
>    Call lastModified()
> Exit
>
> We can two sets of test, one with 1 thread doing these actions and one
> with 10 threads simultaneously performing these actions. Here are the
> results:
>
> (All times in mSec. All 10 user numbers are averages of the 10
> result times)
>
>                  jCIFS 0.5             jCIFS 0.6b3          GAIN
> # files:     1 user / 10 users     1 user / 10 users  (1 user / 10users)
> ------------------------------------------------------------------------
> 1            22     / 119          9      / 15.7       2.4x   / 7.6x
> 3            466    / 1251         238    / 89.6       1.96x  / 13.97x
> 20           241    / 2564         115    / 218.2      2.10x  / 11.75x
> 57           541    / 6065         241    / 1707.4     2.24x  / 2.55x
> 155          1923   / 23614.2      1154   / 4761       1.67x  / 4.96
> 212          3434   / 39117.2      722    / 5651.7     4.75x  / 6.92
>
> I'm suspicious of the 14x and 12x numbers, but everything else looks
> great! To get a 6x increase under load makes me so happy I could spit,
> to coin a phrase.
>
> Just wanted to share the perf numbers with you all...
> rjw
>
>
>